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Species names have been updated and follow The Lichens of Great Britain and Ireland (2009) or more recent changes.
Number of species illustrated = 788 species in 237 genera (776 lichens and 12 parasites).
New this month:- March:- 2 new species:-

  • Stereocaulon glareosum. Ray Woods. With pale cephalodia. On the lead-rich tips of the Nantymwyn mine, Rhandirmwyn, Carmarthenshire, Wales.   small LARGE
  • Gyalidiopsis crenulata. Ray Woods. With Placopsis lambii on heavy metal rich boulder. Nantymwyn mine, Rhandirmwyn, Carmarthenshire, Wales.   small LARGE



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    Abrothallus (parasitic fungi)

  • Abrothallus bertianus. Neil Sanderson. Parasitising Melanelixia glabratula on oak, Busketts Wood, New Forest.   small LARGE
  • Acarospora

  • Acarospora cervina. M Sutcliffe. On limestone field wall. Westgate, Weardale, Co Durham, England.   small LARGE
  • Acarospora cervina. Ishpi Blatchley. On calcareous sandstone headstone. Farnborough Churchyard, Warwickshire.   small LARGE
  • Acarospora fuscata. M Sutcliffe. On sandstone, Pithouse crags, kielder forest, Northumberland, England.   small LARGE
  • Acarospora fuscata. F G Jones. Nant Ffrancon, Wales.   small LARGE   small LARGE
  • Acarospora moenium. M Sutcliffe. On asbestos roof. Horton Woods, Northamptonshire.   small LARGE   small LARGE
  • Acarospora nitrophila. Mark Powell. On sandstone paving slabs. Wimpole Hall Estate (NT), Cambridgeshire.   small LARGE   small LARGE   Paraphyses   Habitat
  • Acarospora sinopica. M Sutcliffe. On iron-rich boulder in car park, Braemar, Scotland.   small LARGE
  • Acarospora sinopica. B J Coppins. On vertical rock face in copper mine. Tomnadashan Mine SSSI, Scotland.   small LARGE
  • Acarospora sinopica. F G Jones. Disused copper mine. N Wales.   small LARGE
  • Acarospora smaragdula is now Myriospora smaragdula.
  • Acrocordia

  • Acrocordia conoidea. M Sutcliffe. On limestone. Wolfscote Dale, Hartington, Derbyshire.   small LARGE
  • Acrocordia gemmata. Mike Simms. On Ash. Charleville estate, Tullamore, Co. Offaly, Ireland.   small LARGE
  • Acrocordia gemmata. M Sutcliffe. On ash. Near Ballygrant, Islay, Scotland.   small LARGE   Ascus & spores
  • Actidium

  • Actidium hysterioides (not lichenized). Neil Sanderson. On lignum. Standing dead pine, Cadha Beag, Rothiemurchus.   small LARGE
  • Agonimia

  • Agonimia globulifera. M Sutcliffe. On moss on limestone. Llanymynech Rocks, Shropshire.   small LARGE
            Perithecium squash showing sterile lattice structure inside.
  • Agonimia tristicula. M Sutcliffe. On oak. Lochaline, Morvern, Scotland. small LARGE
  • Agonimia tristicula. M Sutcliffe. On Collema on limestone boulder. Yew crags, West Allendale, Northumberland.   small LARGE
  • Agonimia tristicula (fertile). M Sutcliffe. On limestone, Harboro Rocks, Derbyshire.   small LARGE   small LARGE
  • Agyrium

  • Agyrium rufum (non-lichenized). Mike Sutcliffe. On bare wood. Craighouse, Jura, Scotland.   small LARGE
  • Alectoria

  • Alectoria nigricans. Dave Genney. Cuilags, Scotland.   small LARGE
  • Alectoria sarmentosa ssp. sarmentosa. Dave Genney. Creag nan clag, invernesshire, Scotland.   small LARGE
  •   small LARGE
  • Alectoria sarmentosa ssp. vexillifera. Dave Genney. On Arctostaphylos alpinus. Meallan nan Uan, Strathconnon, Scotland.   small LARGE
  • Allantoparmelia

  • Allantoparmelia alpicola. M Sutcliffe. On quartzite. Liathach, Torridon, Scotland.   small LARGE   Small LARGE   Small LARGE   Habitat
  • Allantoparmelia alpicola. M Sutcliffe. On sandstone. Dead Stones, Co Durham, England.   small LARGE
  • Amandinea

  • Amandinea lecideina. M Sutcliffe. On sandstone. Rackwick, Isle of Hoy, Scotland.   small LARGE
  • Amandinea punctata. M Sutcliffe. On trunk of plane tree. Gateshead, England.   small LARGE
  • Ameliella

  • Ameliella andreaeicola. Ralph Common. Collected by Les Street. Cairngorms, Scotland.   small LARGE
  • Anaptychia

  • Anaptychia ciliaris ssp ciliaris. Steve Price. On limestone wall. Perry Dale, Derbyshire.   small LARGE
  • Anaptychia ciliaris ssp mamillata. M Sutcliffe. On Coastal whin sill. Lindisfarne, Northumberland.   small LARGE
  • Anaptychia ciliaris ssp mamillata. S Davey. North Berwick, East Lothian, Scotland.   small LARGE
  • Anaptychia runcinata. M Sutcliffe. On Dalradian schist, Imachar point, Isle of Arran, Scotland.   small LARGE
  • Anaptychia runcinata. M Sutcliffe. On coastal shale. The Capstan, Ilfracombe, Devon, England.   small LARGE
  • Anisomeridium

  • Anisomeridium biforme. M Sutcliffe. On ash. Ilfracombe, Devon, England.   small LARGE   spores
  • Anisomeridium polipori. M Sutcliffe. On bryophytes. Yew crags, Northumberland.   small LARGE   Habitat
  • Anisomeridium ranunculosporum. M Sutcliffe. On oak. Lochaline, Morvern, Scotland.   small LARGE
  • Anisomeridium ranunculosporum. M Sutcliffe. On veteran oak. Dinefwr deer park, Carmarthenshire.   small LARGE
  • Arctoparmelia

  • Arctoparmelia incurva. M Sutcliffe. On volcanic tuff. Bradgate Park, Leicestershire, England.   small LARGE   Habitat
  • Arthonia

  • Arthonia anombrophila. Neil Sanderson. On an old oak in pasture woodland, Inishcreagh, Lower Lough Erne, Fermanagh, Northern Ireland.   small LARGE
  • Arthonia arthonioides. M Sutcliffe. On pine. Loch Maree, Wester Ross, Scotland.   small LARGE
  • Arthonia astroidestera. Neil Sanderson. On old holly. Matley Wood, New Forest.   small LARGE   small
  • Arthonia cinnabarina. M Sutcliffe. On hazel. Raasay, Scotland.   small LARGE
  • Arthonia elegans. M Sutcliffe. On hazel. Rudha na Gailich, Jura, Scotland.   small LARGE
  • Arthonia excipienda. Neil Sanderson. From young hazel stem. Hazel - ash pasture woodland, Coille Thogabhaig, Skye (scale in mm).   small LARGE
  • Arthonia fuscopurpurea. M Sutcliffe. On Peltigera hymenina. Taynish, Argyll and Bute, Scotland.   small LARGE   small LARGE
  • Arthonia ilicina. M Sutcliffe. Raasay, Scotland.   small LARGE
  • Arthonia ilicina. Neil Sanderson. On old holly. Matley Wood, New Forest.   small LARGE (bottom)
  • Arthonia leucopellaea. M Sutcliffe. On oak. Talladale, Wester Ross, Scotland.   small LARGE
  • Arthonia pruinata. M J Simms. On parkland oak, Tynan, Co. Armagh, Northern Ireland.   small LARGE
  • Arthonia pruinata. M Sutcliffe. On oak trunk. Nettlecombe Park, Somerset.   small LARGE   small LARGE
  • Arthonia radiata. M Sutcliffe. On oak twig. Ilfracombe, Devon.   small LARGE   Small LARGE
  • Arthonia spadicea. S Davey. Durfold Gill, West Sussex, England.   small LARGE
  • Arthonia stellaris. Neil Sanderson. On rowan in oceanic ravine. Ceunant Llennyrch, Meirionnydd.   small
  • Arthonia vinosa. M Sutcliffe. On oak. Great wood, Eggleston, Durham, England.   small LARGE
  • Arthonia vinosa. S Davey.   small LARGE
  • Arthonia zwackhii Neil Sanderson. Growing on Phlyctis argena. On ancient beech, New Forest.   small LARGE
  • Arthonia zwackhii. Neil Sanderson. Growing on Phlyctis argena, rain track on Beech, Wood Crates, New Forest, England.   small LARGE
  • Arthopyrenia

  • Arthopyrenia analepta. M Sutcliffe. On ash. Torridon Wood, Wester Ross, Scotland. With Trentepohlia algae growing on top.   small LARGE   Spore
  • Arthopyrenia analepta. M Sutcliffe. On hawthorn. Lathkill Dale, Derbyshire.   small LARGE
  • Arthopyrenia cinereopruinosa (non-lichenized). M Sutcliffe. On hazel. Raasay, Scotland.   small LARGE
  • Arthopyrenia nitescens. M Sutcliffe. On hazel. Raasay, Scotland.   small LARGE
  • Arthopyrenia platypyrenia(non-lichenized). Steve Price. On ivy stem. Isle of Luing, Argyll, Scotland.   small LARGE
  • Arthopyrenia salicis. Mark Powell. From old wattle rod, c1700. Riseley, Bedfordshire.   small LARGE
  • Arthothelium

  • Arthothelium ruanum. Neil Sanderson. On old holly. Matley Wood, New Forest.   small LARGE (dark thallus)
  • Arthrorhaphis (parasitic fungi)

  • Arthrorhaphis aeruginosa S Davey. Near Blencathra, Cumbria, England.   small LARGE
  • Aspicilia

  • Aspicilia caesiocinerea M Sutcliffe. On horizontal surface of schist sea stack. Imachar point, Isle of Arran, Scotland.   small LARGE
  • Aspicilia calcarea. M Sutcliffe. On limestone boulder. Birk Rigg Farm, Forest in Teesdale, Durham, England.   small LARGE
  • Aspicilia contorta M Sutcliffe. On limestone. Disused quarry, Bowlees Visitor's Centre, near Middleton-in-Teesdale, Durham, England.   small LARGE   Small LARGE
  • Aspicilia contorta subsp. hoffmanniana. Mike Simms. On Ash. Charleville estate, Tullamore, Co. Offaly, Ireland.   small LARGE
  • Aspicilia grisea. M Sutcliffe. On old tyre. Isle of Hoy, Scotland.   small LARGE
  • Aspicilia grisea. M Sutcliffe. On standing stone. Finlaggan, Islay, Scotland.   small LARGE   small LARGE   Habitat
  • Aspicilia leprosescens. S Davey. North Berwick, East Lothian, Scotland.   small
  • Aspicilia moenium is now placed in Acarospora.
  • Aspicilia radiosa. S Davey. Toller Porcorum Churchyard, Dorset, England.   small
  • Bacidia

  • Bacidia arnoldiana. S Davey. Downton Gorge, Shropshire, England.   small LARGE
  • Bacidia assulata. Andy Cross. Wound track on ancient Beech, The Knowles, New Forest.   small LARGE
  • Bacidia bagliettoana. M Sutcliffe. On plant detritus. Tideslow Rake, Derbyshire.   small LARGE
  • Bacidia delicata. Simon Davey. South Crofty Mine, Cambourne, Cornwall.   small LARGE
  • Bacidia egenula. Mark Powell. On ironstone fragments in drain. Thorpe Malsor churchyard, Kettering, Northamptonshire.   small LARGE   Section in K   Section in water
  • Bacidia incompta. Simon Davey. On ancient ash. Hatfield Park, Hertfordshire.   small LARGE
  • Bacidia incompta. Dave Genney. Inverfarigaig, Invernesshire.   small LARGE
  • Bacidia inundata. M J Simms. On sandstone in Owngar River, Co. Cork, Ireland.   small LARGE
  • Bacidia laurocerasi. Simon Davey. (with scale insects) Brackett's Copse, Dorset.   small LARGE
  • Bacidia saxenii. Mark Powell. On softwood peg. Rushmere Estate, Buckinghamshire.   small   small (with algae)   Section in K   Section in water
  • Bacidia scopulicola. Simon Davey. St Brelade's Churchyard, Jersey.   small LARGE
  • Bacidia squamellosa M Sutcliffe. On oak. Lochaline, Morvern, Scotland.   small LARGE
  • Bacidia squamellosa. Simon Davey. Herbarium specimen.   small LARGE
  • Bacidia sulphurella. Mark Powell.   small LARGE   Conidia
  • Bacidia viridifarinosa. Simon Davey. Parham Park, West Sussex.   small LARGE
  • Bactrospora

  • Bactrospora homalotropa. M Sutcliffe. On hazel. Manish Beg, Raasay, Scotland.   small LARGE   spores
  • Bactrospora homalotropa. M Sutcliffe. On rowan. Brae, Raasay, Scotland.   small LARGE
  • Baeomyces

  • Baeomyces placophyllus. M Sutcliffe. On vertical, mossy, riverside rock. Glen Quoich, Braemar, Scotland.   small LARGE
  • Baeomyces rufus. M Sutcliffe. On gravel. Stonecroft Mine SSSI, Northumberland.   small LARGE
  • Bagliettoa

  • Bagliettoa calciseda. M Sutcliffe. On limestone. High Edge, Derbyshire.   small LARGE
  • Belonia

  • Belonia nidarosiensis. M Sutcliffe. On shaded limestone wall. Near Lathkill Dale, Bakewell, Derbyshire, England.   small LARGE   Habitat 1 Habitat 2
  • Biatora

  • Biatora chrysantha M Sutcliffe. On oak. Great wood, Eggleston, Durham, England.   small LARGE
  • Biatora vernalis Andy Cross. On old Ash, Creaganour Woods, Loch Rannoch, Perthshire.   small LARGE
  • Biatora veteranorum. M Sutcliffe. On ancient oak lignum. Old deer park, Chatsworth, Derbyshire.   small LARGE
  • Biatorella

  • Biatorella fossarum. Neil Sanderson. On compacted soil in old limestone quarries. Portland Bill, England.   small LARGE
  • Biatoropsis (parasitic fungi)

  • Biatoropsis usnearum. M Sutcliffe. Parasitizing Usnea subfloridana. Raasay, Scotland.   small LARGE
  • Bilimbia

  • Bilimbia lobulata . M Sutcliffe. On limestone, Harboro Rocks, Derbyshire.   small LARGE
  • Bilimbia sabuletorum. M Sutcliffe. On moss at base of tombstone. Burial ground, Whitefarland point, Isle of Arran, Scotland.   small LARGE
  • Blarneya has been renamed as Tylophoron.

    Botryolepraria

  • Botryolepraria lesdainii. M Sutcliffe. On limestone. Lathkill Dale, Derbyshire.   small LARGE
  • Bryoria

  • Bryoria capillaris. Neil Sanderson. On pine. Cadha Beag, Rothiemurchus.   small LARGE
  • Bryoria chalybeiformis. M Sutcliffe. From mossy turf. Summit of Ben Rinnes, Aberdeenshire.   small LARGE
  • Bryoria fuscescens. M Sutcliffe. On sandstone boulder. Queen's crag, Northumberland, England.   small LARGE
  • Buellia

  • Buellia aethalea. M Sutcliffe. On volcanic tuff. Bradgate Park, Leicestershire, England.   small LARGE
  • Buellia aethalea. M Sutcliffe. On granite boulder. Pirnmill, Isle of Arran, Scotland.   small LARGE
  • Buellia disciformis. M Sutcliffe. On birch (Betula). Torridon wood, Wester Ross, Scotland.   small LARGE   Small LARGE   Spores
  • Buellia griseovirens. M J Simms. On ash. Hillsborough Park, Co. Down, N Ireland.   small LARGE
  • Buellia hyperbolica. Neil Sanderson. On acidic old oak, in pasture woodland, Ashurst Wood, New Forest.   small LARGE
  • Buellia stellulata M Sutcliffe. On coastal basalt. Isle of Hoy, Scotland.   small LARGE
  • Buellia violaceofusca. M Sutcliffe. On oak bark crevice. Great Wood, Durham, England.   small LARGE
  • Buellia violaceofusca. D Genney. On oak. Cawdor Wood, Scotland.   small LARGE
  • Bunodophoron

  • Bunodophoron melanocarpum. M Sutcliffe. On sandstone. Whitchester Crag, Bellingham, Northumberland.   small LARGE
  • Bunodophoron melanocarpum. Neil Sanderson. Fallen birch. Derrybawn, Glendalough, Co Wicklow.   small LARGE
  • Byssoloma

  • Byssoloma leucoblepharum. Andy Cross. On base-rich old oak. Bignell Wood, New Forest.   small LARGE
  • Byssoloma subdiscordans. Neil Sanderson. On sallow in moorland scrub. Big Dog hill, Fermanagh, N Ireland.   small LARGE
  • Calicium

  • Calicium corynellum. M Sutcliffe. On dry underhang of sandstone headstone. Whitfield Churchyard. Northumberland.   small   LARGE   small LARGE   Habitat
  • Calicium glaucellum. M Sutcliffe. On decorticated pine. Glen Quoich, Scotland.   small LARGE
  • Calicium glaucellum. M Sutcliffe. On pine post. Near Strathdon, Aberdeenshire, Scotland.   small
  • Calicium hyperelloides. Neil Sanderson. In crevice on old Oak, Parkland, Castle Archdale, Fermanagh.   small LARGE
  • Calicium salicinum. Neil Sanderson. Lignum on standing dead beech, New Forest.   small LARGE
  • Calicium viride. M Sutcliffe. On oak. Derwent Gorge NNR, Durham.   small LARGE
  • Caloplaca

  • Caloplaca arnoldii subsp. obliterata. M Sutcliffe. On siliceous, coastal rock. East Lothian, Scotland.   small LARGE
  • Caloplaca aurantia. D McCutcheon. On limestone. Gower, Wales.   small LARGE
  • Caloplaca aurantia. M Sutcliffe. On limestone. The Burren, Co Clare, Ireland.   small LARGE   small LARGE
  • Caloplaca aurantia (R) and C. flavescens (L) compared. M J Simms. On coastal limestone. Loughshinny, Co. Dublin, Ireland.   small LARGE
  • Caloplaca cerina. M Sutcliffe. On mature oak. Balchroich Meadow, Scotland.   small LARGE
  • Caloplaca cerinella. John Norton. On white poplar. Gosport, Hampshire.   small LARGE
  • Caloplaca chalybaea. M Sutcliffe. On limestone. High Edge, Derbyshire.   small LARGE
  • Caloplaca chlorina. M J Simms. On concrete wall. South Woodburn reservoir, Carrickfergus, Co. Antrim. Northern Ireland.   small
  • Caloplaca chlorina. M Sutcliffe. On coastal sandstone boulder. Isle of Hoy, Scotland.   small LARGE
  • Caloplaca chlorina. M Sutcliffe. On mortared wall. National Botanic Garden of Wales, Carmarthenshire.   small LARGE
  • Caloplaca chrysodeta. M Sutcliffe. On limestone in sheltered underhang. Lathkill Dale, Derbyshire.   small LARGE
  • Caloplaca cirrochroa. M Sutcliffe. On limestone. Lismore Island, Scotland.   small LARGE
  • Caloplaca citrina. M Sutcliffe. On wall. The rose garden, Saltwell Park, Gateshead, England.   small LARGE   Habitat
  • Caloplaca crenularia. M Sutcliffe. On silicious tomb stone. burial ground, Imachir point, Isle of Arran, Scotland.   small LARGE
  • Caloplaca decipiens. M J Simms. On asbestos roofing, Bishops Cleeve, Gloucestershire. (with C. saxicola, C. holocarpa and Xanthoria parietina)   small LARGE
  • Caloplaca decipiens. M Sutcliffe. On coastal wall. Findlater Castle, Aberdeenshire, Scotland.   small LARGE
  • Caloplaca dichroa. M Sutcliffe. On limestone. High Edge, Derbyshire.   small LARGE
  • Caloplaca ferruginea. M J Simms. On hawthorn. Milltown, Co. Galway, Ireland.   small LARGE
  • Caloplaca ferruginea. M Sutcliffe. On oak. Ward hill, Isle of Hoy, Scotland.   small LARGE
  • Caloplaca flavescens. M Sutcliffe. On horizontal limestone. Slit wood, County Durham.   small LARGE   Small LARGE
  • Caloplaca flavescens. M Sutcliffe. On oolitic limestone of church. Leicestershire.   small LARGE
  • Caloplaca flavescens. Jeff Blincow. On gravestone, Castle Ashby, Northampton, England.   small LARGE
  • Caloplaca flavocitrina. M Sutcliffe. On concrete paving slab. Cemetery, Darlington, England.   small LARGE
  • Caloplaca flavocitrina. M Sutcliffe. On boundary wall. Bradgate Park, Leicestershire, England.   small LARGE
  • Caloplaca flavocitrina. M Sutcliffe. On sandstone. Rackwick, Isle of Hoy, Scotland.   small LARGE   small LARGE
  • Caloplaca haematites. Neil Sanderson. On twig of white poplar on edge of water meadow. Goodworth Clatford, Hampshire.   small LARGE   small LARGE
  • Caloplaca holocarpa s.lat. M Sutcliffe. On broadleaved tree. Allensford, Durham, England.   small LARGE
  • Caloplaca lactea. M Sutcliffe. On limestone scree. Lathkill Dale, Derbyshire.   small LARGE
  • Caloplaca lactea. Ishpi Blatchley. On top of limestone chest tomb. Wye churchyard, Kent.   small LARGE
  • Caloplaca littorea. M Sutcliffe. On basalt sea cliff, xeric supralittoral zone. Drumadoon point, Arran, Scotland.   small LARGE
  • Caloplaca luteoalba. John Douglass. On sycamore. Kilham, Northumberland.   small LARGE   small LARGE
  • Caloplaca luteoalba. M Sutcliffe. On elm. Golspie, Scotland.   small LARGE
  • Caloplaca marina. M Sutcliffe. On serpentine sea cliff, above High Water Mark. Kynance Cove, The Lizard, Cornwall, England.   small LARGE
  • Caloplaca oasis. M Sutcliffe. On limestone. High Edge, Derbyshire.   small LARGE
  • Caloplaca obscurella Fertile. Mark Powell. On elder lignum, Riseley, Bedfordshire.   small LARGE   Spores
  • Caloplaca obscurella Sterile. Mark Powell. On willow bark. Sutton Park, Warkwickshire.   small LARGE
  • Caloplaca ochracea. M J Simms. On well-lit hard limestone, Kilcorney, the Burren, Co. Clare, Ireland.   small LARGE
  • Caloplaca ochracea. M Sutcliffe. On limestone. Wolfscote Dale, Hartington, Derbyshire.   small LARGE
  • Caloplaca phlogena. Mark Powell. On Elder bark, Fyfield Down near Marlborough.   small LARGE
  • Caloplaca pyracea. Neil Sanderson. On twig of white poplar on edge of water meadow. Goodworth Clatford, Hampshire.   small LARGE
  • Caloplaca ruderum. M Sutcliffe. On calcareous church wall, Norfolk, England.   small LARGE
  • Caloplaca saxicola. D McCutcheon. On asbestos roof sheet. Morpeth, Northumberland, England.   small LARGE
  • Caloplaca suaedae. Steve Price. On shrubby seablight. Overy Staithe, Norfolk.   small LARGE
  • Caloplaca teicholyta. M Sutcliffe. On limestone gravestone. St Martin's, Epsom, Surrey.   small LARGE   Habitat
  • Caloplaca thallincola. D McCutcheon. On coastal limestone boulder. Gower, Wales.   small LARGE
  • Caloplaca thallincola. M Sutcliffe. On shale above high water mark. Rockham beach, Morthoe, Devon.   small LARGE
  • Caloplaca thallincola. M Sutcliffe. On Verrucaria maura on tidal rocks. Am Scriodan, Isle of Arran, Scotland.   small LARGE
  • Caloplaca thallincola. Jeff Blincow. On sea wall, Barmouth, Gwynedd, Wales.   small LARGE
  • Caloplaca ulcerosa. John Douglass. Near Carham, Northumberland.   small LARGE
  • Caloplaca variabilis. M J Simms. on asbestos roofing (with Aspicilia contorta contorta), Bishops Cleeve, Gloucestershire.   small LARGE
  • Caloplaca verruculifera. D McCutcheon. On vertical coastal rocks. Gurnards Head, Cornwall, England.   small LARGE
  • Caloplaca verruculifera. M Sutcliffe. On whin sill near seabird colony. Farne Islands, Northumberland, England.   small LARGE   small LARGE   Habitat
  • Caloplaca xantholyta. M J Simms. On shaded limestone, Kilcorney, the Burren, Co. Clare, Ireland.   small LARGE
  • Caloplaca xantholyta. M Sutcliffe. On limestone in sheltered underhang. Lathkill Dale, Derbyshire.   small LARGE   small LARGE
  • Calvitimela

  • Calvitimela armeniaca. Neil Sanderson. On granite boulder at 1205m. Sgor an Locain Uaine, Mar Lodge Estate, Cairngorms.   small LARGE
  • Candelaria

  • Candelaria concolor. M J Simms. On wayside tree, Tyrellspass, Co. Westmeath, Ireland.   small LARGE
  • Candelaria concolor. Neil Sanderson. On beech branch, north of Allum Green, New Forest.   small LARGE
  • Candelariella

  • Candelariella coralliza. M Sutcliffe. On standing stone. Finlaggan, Islay, Scotland.   small LARGE   Habitat
  • Candelariella medians. M J Simms. On marble headstone, Templetown, Co. Louth, Ireland.   small LARGE
  • Candelariella medians. M Sutcliffe. On limestone headstone. St Martin's, Epsom, Surrey.   small LARGE   Habitat
  • Candelariella medians. M Sutcliffe. On limestone. High Edge, Derbyshire.   small LARGE
  • Candelariella reflexa. Mark Powell. On dead hawthorn. Riseley, Bedfordshire.   small LARGE
  • Candelariella reflexa. M Sutcliffe. On gorse stem. Trerhiwarth, Llangynog, Montgomeryshire.   small LARGE
  • Candelariella vitellina. M Sutcliffe. Sandstone wall. Stocksfield, Northumberland, England.   small LARGE
  • Candelariella vitellina. M Sutcliffe. On sandstone wall. Coanwood, Northumberland.   small LARGE   habitat
  • Candelariella vitellina. M J Simms. On wooden bridge. Muckno Lake, Castleblayney, Co. Monaghan, Ireland.   small LARGE
  • Carbonea

  • Carbonea assimilis. B J Coppins. South facing basalt outcrop. Traprain Law, East Lothian, Scotland.   small LARGE
  • Carbonea vitellinaria. M Sutcliffe. Parasitic on Candelariella vitellina. Bradgate Park, Leicestershire, England.   small LARGE
  • Catapyrenium

  • Catapyrenium cinereum. M Sutcliffe. On coastal earth bank. Hawick, Isle of Hoy, Scotland.   small LARGE
  • Catapyrenium psoromoides. Bryan Edwards. On limestone. Chudleigh Rocks, Devon.   small LARGE   Habitat
  • Catapyrenium psoromoides. Bryan Edwards. On ash. Dewlish Park, Dorset.   small small   Habitat
  • Catapyrenium squamulosum has now been placed in Placidium.
  • Catillaria Catillaria alba is now Biatora veteranorum.

  • Catillaria chalybeia. M Sutcliffe. On siliceous tombstone. Darlington, England.   small LARGE
  • Catillaria lenticularis. M Sutcliffe. On limestone. Wolfscote Dale, Derbyshire.   small LARGE
  • Catolechia

  • Catolechia wahlenbergii. Alan Fryday. Aonach Mor, Scotland.   small LARGE
  • Cavernularia

  • Cavernularia hultenii. Neil Sanderson. On ancient Salix Caprea ssp sphacelata. Creag Meagaidh. Scotland.   small LARGE
  • Cavernularia hultenii. M Sutcliffe. On birch. Raasay, Scotland.   small LARGE   small LARGE   Habitat
  • Cetraria

  • Comparison of C. aculeata and C. muricata. C. aculeata on the left.   small LARGE
  • Cetraria aculeata. M Sutcliffe. On peat at base of rotting pine stump. Mar Lodge Estate. Braemar, Scotland.   small LARGE
  • Cetraria islandica. M Sutcliffe. Upland calcareous grassland. Teesdale, England.   small LARGE
  • Cetraria muricata. M Sutcliffe. From summit rocks. Beinn Alligin, Torridon, Scotland.   small LARGE
  • Cetraria sepincola. D Genney. Scotland.   small LARGE
  • Cetraria sepincola. Neil Sanderson. On birch. Kennapole Hill, Loch an Eilein, Rothiemurchus.   small LARGE (at left)
  • Cetrelia

  • Cetrelia olivetorum. M Sutcliffe. On mossy oak trunk. Lochaline, Morvern, Scotland.   small LARGE
  • Cetrelia olivetorum (cetrarioides chemotype). Jenny Seawright. On Alder. Glengarrif woods, County Cork, Eire.   small LARGE   small LARGE
  • Chaenotheca

  • Chaenotheca brunneola. M Sutcliffe. On decorticated pine. Glen Quoich, Scotland.   small LARGE
  • Chaenotheca brunneola. M Sutcliffe. On decorticated pine trunk. Loch Maree, Wester Ross.   small LARGE
  • Chaenotheca chrysocephala. M Sutcliffe. In oak bark crevice. Great Wood, Co. Durham, England.   small LARGE
  • Chaenotheca ferruginea. M Sutcliffe. On trunk of mature oak. Lambley, Haltwhistle, Northumberland, England.   small LARGE
  • Chaenotheca ferruginea. Infertile area showing conspicuous yellow-orange patches (K+ red).   small LARGE
  • Chaenotheca furfuracea. M Sutcliffe. On plant debris in sheltered underhang. Near Strathdon, Aberdeenshire.   small LARGE   small LARGE
  • Chaenotheca gracilenta. Dave Genney. Inverfarigaig, Invernesshire.   small LARGE   LARGE
  • Chaenotheca hispidula. B J Coppins. On old sycamore. Seton Collegiate Church, East Lothian.   small
  • Chaenotheca stemonea. M Sutcliffe. In oak bark crevice. Old deer park, Chatsworth, Derbyshire.   small LARGE
  • Chaenotheca trichialis. M Sutcliffe. In oak bark crevice. Great Wood, Co. Durham, England.   small LARGE
  • Chaenotheca trichialis. Alan Hale. Great Wood, Gregynog, Montgomeryshire, Wales.   small LARGE
  • Chrysothrix

  • Chrysothrix candelaris. M Sutcliffe. Dry Overhanging oak branch. Glen Tilt, Blair Atholl, Scotland.   small LARGE
  • Chrysothrix chlorina. M Sutcliffe. Overhanging riverside cliff. Braemar, Scotland.   small LARGE
  • Chrysothrix flavovirens. M Sutcliffe. On decorticate oak. National Botanic Garden of Wales, Carmarthen.   small LARGE   small LARGE   Habitat
  • Cladonia

  • Cladonia arbuscula. Neil Sanderson. On heath. Copythorn Common, Hampshire.   small LARGE   small LARGE
  • Cladonia bellidiflora. Jim Deacon.   small
  • Cladonia botrytes. M Sutcliffe. On pine stump. Kindrogan field Centre, Scotland.   small LARGE
  • Cladonia caespiticia. M Sutcliffe. Islay, Scotland.   small LARGE
  • Cladonia caespiticia. Dave Genney. Scotland.   small LARGE
  • Cladonia callosa. Neil Sanderson. On sandy humus. On side of old hollow way, White Moor, New Forest.   small LARGE   Habitat
  • Cladonia cariosa. Neil Sanderson. On sand bank in parched acid grassland, Stanway Pit, Colchester, Essex.   small LARGE   Small LARGE
  • Cladonia ciliata var. ciliata. Neil Sanderson. In sand sedge Cladonia community colonising formerly eroded sand. Frensham Great Pond, Surrey.   small LARGE
  • Cladonia ciliata var. ciliata. Neil Sanderson. Showing podetia arising from ephemeral primary thallus. On open heath. Acres Down, New Forest.   small LARGE
  • Cladonia ciliata var. ciliata. Neil Sanderson. On open heath. Acres Down, New Forest.   small LARGE
  • Cladonia ciliata var. tenuis. M J Simms. In acid grassland. Templemoyle Church, Co. Monaghan, Ireland.   small LARGE
  • Cladonia coccifera. Bill Burns. On dry-stane dyke. Muir of Dinnet NNR, Aberdeenshire.   small LARGE
  • Cladonia cornuta. Neil Sanderson. North facing dune. Winterton on Sea, Norfolk.   small LARGE
  • Cladonia deformis. M Sutcliffe. On fallen dead pine, Glen Quoich, Braemar, Scotland.   small LARGE
  • Cladonia digitata. M Sutcliffe. On bark of veteran oak. Chatsworth Estate, Derbyshire.   small LARGE
  • Cladonia fimbriata. M Sutcliffe. On moorland, High Rigg, Keswick, Cumbria.   small LARGE
  • Cladonia foliacea. M Sutcliffe. Short coastal grassland. East Lothian, Scotland.   small LARGE
  • Cladonia furcata. M Sutcliffe. On moorland, High Rigg, Keswick, Cumbria.   small LARGE
  • Cladonia glauca. M Sutcliffe. On south-facing road bank. Kielder Forest, Northumberland.   small LARGE   small LARGE   habitat
  • Cladonia gracilis. Neil Sanderson. Parched acid grassland on shingle. Dungeness, Kent, England.   small LARGE
  • Cladonia gracilis. M Sutcliffe. Acid soil. Whitchester crag. Bellingham, Northumberland, England.   small LARGE
  • Cladonia humilis. M Sutcliffe. On south-facing road bank. Kielder Forest, Northumberland.   small LARGE   small LARGE
  • Cladonia macilenta. M Sutcliffe. On hazel. Ardnahoe Loch, near Port Askaig, Islay.   small LARGE
  • Cladonia macilenta. Neil Sanderson. On bank in hollow way in heathland. White Moor, New Forest.   small LARGE
  • Cladonia maxima. Neil Sanderson. In late snow patch amongst Deschampsia flexuosa at 1225m. Wells of Dee, Mar Lodge Estate, Cairngorms.   small LARGE   small LARGE
  • Cladonia mediterranea. N Sanderson. In short, grazed heath. Ogdens, New Forest.   small LARGE   small LARGE
  • Cladonia parasitica. M Sutcliffe. On oak. Lochaline, Morvern, Scotland.   small LARGE
  • Cladonia parasitica. M Sutcliffe. On dead oak trunk. Old deer park, Chatsworth, Derbyshire.   small LARGE
  • Cladonia parasitica. M Sutcliffe. On decaying oak trunk. Dinefwr deer park, Carmarthenshire.   small LARGE   Habitat
  • Cladonia phyllophora. N Sanderson. On abandoned path in heath, Ogdens, New Forest.   small LARGE   small LARGE   small
  • Cladonia phyllophora. N Sanderson. In open heath. Whitemoor, Lyndhurst, New Forest.   small LARGE
  • Cladonia pleurota. Neil Sanderson. On lignum on fallen pine. Cadha Beag, Rothiemurchus.   small LARGE
  • Cladonia pocillum. M Sutcliffe. On moss on limestone. Lathkill Dale, Derbyshire.   small LARGE
  • Cladonia polydactyla. M Sutcliffe. Decayed wood/peat. Kielder Forest, Northumberland.   small LARGE
  • Cladonia polydactyla. M Sutcliffe. Decayed wood/peat. Kielder Forest, Northumberland.   small LARGE
  • Cladonia polydactyla. M Sutcliffe. On south-facing road bank. Kielder Forest, Northumberland.   small LARGE   small LARGE   habitat
  • Cladonia portentosa. M Sutcliffe. On peat. Kielder Forest, Northumberland.   small LARGE
  • Cladonia portentosa. M Sutcliffe. On peat. Kielder Forest, Northumberland.   small LARGE
  • Cladonia ramulosa. M Sutcliffe. Amoung mosses on limestone wall. Malham moss tarn, West Yorkshire.   small LARGE
  • Cladonia ramulosa. M Sutcliffe. Sandstone. Kielder Forest, Northumberland.   small LARGE
  • Cladonia ramulosa. Neil Sanderson. On sandy humus. On side of old hollow way, White Moor, New Forest.   small LARGE   small LARGE
  • Cladonia rangiformis. M Sutcliffe. On coastal turf. Near Isle of Whithorn, Dumfries and Galloway, Scotland.   small LARGE   Habitat
  • Cladonia scabriuscula. M J Simms. On granite wall, Legananny, Co. Down, N Ireland.   small LARGE
  • Cladonia squamosa. M Sutcliffe. On thin, rocky soil under pine. Glen Quoich, Braemar, Scotland.   small LARGE
  • Cladonia squamosa. M Sutcliffe. On base of alder trunk. Inverawe Country Park, Taynuilt, Scotland.   small LARGE
  • Cladonia strepsilis. M Sutcliffe. On open, wet heath. Loch Maree, Wester Ross.   small LARGE   Small LARGE
  • Cladonia subcervicornis. D Genney   small LARGE
  • Cladonia subcervicornis. M Sutcliffe. On humus. Dun Caan, Raasay, Scotland.   small LARGE
  • Cladonia subcervicornis. Neil Sanderson. In open short heath. White Moor, New Forest.   Fertile small LARGE.   Wet small LARGE
  • Cladonia subcervicornis. Neil Sanderson. In open short heath in WWII gravel pit. Yew Tree Heath, New Forest.   small LARGE.
  • Cladonia subulata. Neil Sanderson. In heathland. Holmsley Ridge, New Forest.   small LARGE
  • Cladonia sulphurina. M Sutcliffe   small LARGE
  • Cladonia symphycarpia. Neil Sanderson. 19th century chalk spoil heaps. Micheldever Chalkies, Hampshire, England.   small LARGE
  • Cladonia trassii. Neil Sanderson. In boulder field, in late snow patch, 1070m. Garbh Choire Mor, Mar Lodge Estate, Cairngorms.   small LARGE   Habitat
  • Cladonia uncialis subsp biuncialis. M Sutcliffe. Peat. Whitchester Moor, Northumberland.   small LARGE
  • Cladonia uncialis subsp uncialis. D Genney   small LARGE
  • Cladonia uncialis subsp uncialis. M Sutcliffe. Heathland. Kielder Forest, Northumberland.   small LARGE
  • Cladonia zopfii. Neil Sanderson. Short grazed heath. Ogdens, New Forest.   small LARGE

    Clauzadea

  • Clauzadea immersa (with Leptogium diffractum). M J Simms. On exposed limestone pavement, Fahee North, Carran, The Burren, Co. Clare.   small LARGE
  • Clauzadea immersa. M Sutcliffe. On limestone. Long Dale, Derbyshire.   small LARGE
  • Clauzadea monticola. M Sutcliffe   small LARGE
  • Clauzadea monticola. M Sutcliffe. On granite wall. Beinn Eighe campsite, Wester Ross, Scotland.   small LARGE   small LARGE
  • Clauzadeana

  • Clauzadeana macula. N Hodgetts   small LARGE
  • Cliostomum

  • Cliostomum flavidulum. Neil Sanderson. On oak. Cliostomum flavidulum (paler left) and Pyrrhospora quernea (darker with black prothallus right). Old Lodge Warren, East Sussex.   small LARGE   Pd+ red small LARGE
  • Cliostomum griffithii. M Sutcliffe. On mature sycamore. Morpeth, Northumberland.   small LARGE
  • Cliostomum griffithii. M Sutcliffe. On mature sycamore. Morpeth, Northumberland.   small LARGE
  • Cliostomum griffithii. M Sutcliffe. On mature oak. Great Wood, Co. Durham, England.   small LARGE
  • Collema
    Comparison with Leptogium

  • Collema auriforme. M Sutcliffe. On limestone of disused quarry. Bowlees Visitor's Centre, near Middleton-in-Teesdale, Durham, England.   small LARGE   Small LARGE
  • Collema auriforme. M Sutcliffe. On limestone. Wolfscote Dale, Derbyshire.   small LARGE
  • Collema auriforme. M Sutcliffe. Raasay, Scotland.   small LARGE
  • Collema crispum. M Sutcliffe. On limestone of disused quarry. Bowlees Visitor's Centre, near Middleton-in-Teesdale, Durham, England.   small LARGE   Small LARGE   Small LARGE
  • Collema cristatum. M Sutcliffe. On limestone. Wolfscote Dale, Hartington, Derbyshire.   small LARGE   Small LARGE
  • Collema cristatum var. marginale. M Sutcliffe. On limestone boulder. Lathkill Dale, Derbyshire.   small LARGE
  • Collema fasciculare. M Sutcliffe. On oak by river. Talladale, Wester Ross, Scotland.   small LARGE
  • Collema flaccidum. M J Simms. On sandstone within zone of seasonal flooding, Owngar River, near Bantry, Co. Cork, Ireland   small LARGE
  • Collema flaccidum. M Sutcliffe. On schist. Meall nan Tarmachan, Scotland.   small LARGE
  • Collema flaccidum parasitised by Myxophora leptogiifera. M Sutcliffe. On sycamore, Raasay, Scotland.   small LARGE
  • Collema fragile. M Sutcliffe. On limestone boulders at base of cliff. Lismore Island. Scotland.   small LARGE
  • Collema fragile. M J Simms. On exposed limestone pavement, Fahee North, Carran, The Burren, Co. Clare.   small LARGE
  • Collema fragrans (with the moss Zygodon forsteri). Neil Sanderson. New forest, England.   small LARGE
  • Collema furfuraceum. M Sutcliffe. On sycamore. Gairloch, Wester Ross, Scotland.   small LARGE
  • Collema furfuraceum. Dave Genney. Scotland.   small LARGE
  • Collema fuscovirens. M Sutcliffe. On limestone. Llanymynech Hill, Pant, Wales.   small LARGE   small LARGE   small LARGE   Habitat
  • Collema fuscovirens (wet). M Sutcliffe. On top of limestone boulder. Yew crags, West Allendale, Northumberland.   small LARGE
  • Collema multipartitum. M Sutcliffe. On limestone. The Burren, Co Clare, Ireland.   small LARGE   small LARGE
  • Collema subflaccidum. Ray Woods. On outcrop. SW Henllyn Mawr, Llandeilo Graban, Radnorshire, Wales.   small LARGE Habitat
  • Collema subnigrescens. M Sutcliffe. On stream-side serpentine outcrop. Kynance cove, Cornwall, England.   small LARGE   Small LARGE
  • Collema tenax. M Sutcliffe. On shaded wall. Glasserton churchyard near Whithorn, Dumfries and Galloway, Scotland.   small LARGE   small LARGE
  • Collemopsidium

  • Collemopsidium foveolatum. M Sutcliffe. On barnacle shell. Jura, Scotland.   small LARGE
  • Collemopsidium sublitorale. M Sutcliffe. On limpet shell. Islay, Scotland.   small LARGE   Habitat
  • Cornicularia

  • Cornicularia normoerica. M Sutcliffe. On granite boulder. Badachro, Gairloch, Scotland.   small LARGE   small LARGE   Habitat
  • Cornicularia normoerica. Dave Genney. Near Dalnacreich, Scotland.   small LARGE
  • Cresponea

  • Cresponea premnea. Theresa Greenaway. On oak. Petworth park, West Sussex.   small LARGE
  • Cresponea premnea. Neil Sanderson. On old oak, James Hill, New Forest. Shows pynidia where two thalli meet.   small LARGE
  • Cresponea premnea. M Sutcliffe. On veteran oak. Dinefwr deer park, Carmarthenshire.   small LARGE   Section and spores
  • Cyphelium

  • Cyphelium inquinans. M Sutcliffe. On pine. Glen Quoich, Braemar, Scotland.   small LARGE
  • Cyphelium tigillare. M Sutcliffe. On low, decorticated pine branch. Glen Quoich, Braemar, Scotland.   small LARGE   small LARGE   Habitat
  • Cystocoleus

  • Cystocoleus ebeneus. M Sutcliffe. Vertical granite outcrop. Inverawe Country Park, Taynuilt, Scotland.   small LARGE   micropic (showing thin, dark, wiggly fungal hyphae growing on thick Trentepohlia algae. Droplets of a carotenoid, which give this alga its orange colour, have spilled out)
  • Cystocoleus ebeneus M Sutcliffe. On sandstone. Enegars, Isle of Hoy, Scotland.   small LARGE
  • Degelia

  • Degelia atlantica. M Sutcliffe. Shaded mossy rock cleft, Imachar point, Isle of Arran, Scotland.   small LARGE
  • Degelia atlantica. M Sutcliffe. On Sycamore. Gairloch, Scotland.   small LARGE
  • Degelia atlantica. M Sutcliffe. On hazel. Raasay, Scotland.   small LARGE
  • Degelia cyanoloma. M Sutcliffe. On oak (with Pannaria rubiginosa top left). Lochaline, Morvern, Scotland.   small LARGE
  • Degelia cyanoloma. M Sutcliffe. Woodland west of Torridon, Scotland.   small LARGE
  • Degelia cyanoloma. M Sutcliffe. On sycamore. Isle of Raasay, Scotland.   small LARGE
  • Degelia ligulata. Ray Woods. On damp, slightly basic, north-facing sandstone sea cliffs. Gateholm Island, Pembrokeshire, Wales.   small LARGE
  • Degelia plumbea (right) with D. cyanoloma. Steve Price. Corrieshalloch, Scotland.   small LARGE
  • Dermatocarpon

  • Dermatocarpon intestiniforme. M Sutcliffe. Very shaded vertical rock face (conglomerate). Dunstaffnage Castle, Dunbeg, Scotland.   small LARGE   small LARGE   small LARGE
  • Dermatocarpon intestiniforme. M Sutcliffe. Exposed, flushed, coastal, conglomerate slab. Gairloch, Wester Ross, Scotland.   small LARGE   small LARGE   small LARGE   Habitat
  • Dermatocarpon intestiniforme. Jenny Seawright. On rocky headland, Zetland, Beara peninsula, Co. Cork, Eire.   small LARGE
  • Dermatocarpon intestiniforme. F G Jones. On slate retaining wall. Gilfach Du National Slate Museum, Llanberis, Wales.   small LARGE
  • Dermatocarpon leptophyllodes. M J Simms. On rock in Afon Ysgethin, North Wales.   small LARGE
  • Dermatocarpon luridum. M J Simms. On rock in Afon Ysgethin, North Wales.   small LARGE
  • Dermatocarpon luridum. M Sutcliffe. In limestone crevice. Lathkill Dale, Derbyshire.   small LARGE
  • Dermatocarpon meiophyllizum. Jenny Seawright. On rock beside stream. Ballingeary, County Cork, Eire.   small LARGE   small LARGE
  • Dermatocarpon miniatum. M Sutcliffe. Basalt sea cliff, in drainage cleft. East Lothian, Scotland.   small LARGE
  • Dermatocarpon miniatum. M Sutcliffe. Conglomerate cliff, in rain track. Dunstaffnage Castle, Dunbeg, Scotland.   small LARGE   small LARGE
  • Dermatocarpon miniatum. F G Jones. On slate retaining wall. Gilfach Du National Slate Museum, Llanberis, Wales.   small LARGE   Habitat
  • Dibaeis

  • Dibaeis baeomyces. M Sutcliffe. On peat at edge of track. Flowerdale Forest, Wester Ross, Scotland.   small LARGE
  • Dibaeis baeomyces. Ray Woods. Eaglebrook.   small LARGE
  • Dibaeis baeomyces. Neil Sanderson. On acid soil at edge of heathland path. Longwater lawn, New Forest.   small LARGE   UV fluorescence
  • Dimerella

  • Dimerella lutea. M Sutcliffe. On shaded oak trunk. Lochaline, Morvern, Scotland.   small LARGE
  • Dimerella lutea. M Sutcliffe. On oak. Ward hill, Isle of Hoy, Scotland.   small LARGE
  • Dimerella pineti. Mark Powell. On shaded hazel bark at Bowd Lane Copse, Northamptonshire.   small LARGE   Spores
  • Dimerella pineti. M Sutcliffe. On branch of mature elm. East coast of Raasay, Scotland.   small LARGE   Habitat
  • Diploicia

  • Diploicia canescens. M Sutcliffe. On coastal shale. Ilfracombe, Devon, England.   small LARGE
  • Diploicia canescens (with algae growing on it). F G Jones. On slate gravestone. Llandyfrydog, N Wales.   small LARGE
  • Diploicia canescens (fertile). M J Simms. On mature sycamore, Castleward, Co. Down.   small LARGE
  • Diploschistes

  • Diploschistes gypsaceus. N Hodgetts   small LARGE
  • Diploschistes muscorum. Neil Sanderson. Established on the ground in parched acid grassland, Stanway Pit, Colchester, Essex.   small LARGE
  • Diploschistes muscorum. Neil Sanderson. overgrowing Cladonia species, in parched acid grassland, Blashford Water Treatment Works, New Forest, Hampshire.   small
  • Diploschistes muscorum. M Sutcliffe. On open, dune grassland. Golspie, Scotland. small LARGE   small LARGE
  • Diploschistes scruposus. M Sutcliffe. On sandstone wall, Northumberland.   small LARGE
  • Diploschistes scruposus. M J Simms. On granite wall, Legananny, Co. Down, N Ireland.   small LARGE
  • Diplotomma

  • Diplotomma alboatrum. M Sutcliffe. On calcareous wall of church, Norfolk, England.   small LARGE
  • Diplotomma alboatrum. M Sutcliffe. On serpentine cliff above High Water Mark. Kynance cove, The Lizard, Cornwall. England.   small LARGE
  • Diplotomma murorum. Mark Powell. On Caloplaca teicholyta on limestone parapet of bridge. Felmersham, Bedfordshire.   small LARGE   small LARGE
  • Dirina

  • Dirina massiliensis f sorediata. M Sutcliffe. Basalt sea cliff. Drumadoon Point, Isle of Arran, Scotland.   small LARGE
  • Dirina massiliensis f sorediata. M J Simms. On soft limestone on the walls of Carisbrooke Castle, Isle of Wight.   small LARGE
  • Dirina massiliensis f. sorediata. M Sutcliffe. On wall of covered entrance. Dinefwr castle, Carmarthenshire.   small LARGE   Habitat
  • Dirina massiliensis f massiliensis with f sorediata. Neil Sanderson. Overhanging limestone, Penn's Weare, Isle of Portland, Dorset.   small LARGE
  • Enterographa

  • Enterographa brezhonega. Andy Cross. (det Neil Sanderson, conf. Laurens Sparrius) new to Britain. The white pseudostromata formed from convoluted groups of lirellae parasitising Porina rosei. Great Wood, New forest, Hampshire.   small LARGE
  • Enterographa crassa. M Sutcliffe. On Sycamore in dense woodland, The Cairn, Ilfracombe, Devon.   small LARGE
  • Enterographa elaborata. Neil Sanderson. New forest, Hampshire.   small LARGE
  • Enterographa elaborata. Neil Sanderson. On ancient beech (wound track). New Forest, Hampshire.   small LARGE
  • Enterographa elaborata. Neil Sanderson. With E. crassa (top right), on rain track on old beech, James Hill, New Forest.   small LARGE
  •   Labels
  • Enterographa hutchinsiae. Neil Sanderson. On ancient beech (wound track). New Forest, Hampshire.   small LARGE   Labels
  • Enterographa pitardii. Neil Sanderson. On chert overhang in limestone. Penn's Weare, Isle of Portland.   small LARGE
  • Enterographa sorediata (fertile). Neil Sanderson. On oak. New Forest, Hampshire.   small LARGE
  • Enterographa sorediata. Neil Sanderson. On oak. Lanhydrock, Cornwall.   small LARGE     small LARGE
  • Enterographa sorediata. Neil Sanderson. On oak. Very strongly sorediate specimen showing the orange red Pd reaction. The pinkish tinge is typical of hydrated soredia. Clovelly, Devon.   small LARGE
  • Eopyrenula

  • Eopyrenula grandicula (with Arthothelium ruanum below). Neil Sanderson. On hazel in oceanic ravine. Ceunant Llennyrch, Meirionnydd.   small LARGE
  • Ephebe

  • Ephebe lanata. M J Simms. On riverside rock face, Afon Treweunydd, North Wales.   small LARGE
  • Epilichen

  • Epilichen scabrosus. M Sutcliffe. On Baeomyces rufus. On mine spoil, Derbyshire.   small LARGE
  • Evernia

  • Evernia prunastri. M Sutcliffe. On hazel. Stonehaugh, Northumberland, England.   small LARGE
  • Evernia prunastri. Sarah Lovett. On hawthorn. West Somerset, England.   small LARGE
  • Farnoldia

  • Farnoldia jurana. M Sutcliffe. On limestone. Black Mountain, Carmarthenshire.   small LARGE
  • Fellhanera

  • Fellhanera bouteillei. M Sutcliffe. On yew. Great Wood, Egglestone, Durham, England.   small LARGE
  • Fellhaneropsis

  • Fellhaneropsis myrtillicola. B J Coppins. On twigs and needles of Pseudotsuga menziesii. Monynut Forest, Scotland.   small LARGE
  • Flavoparmelia

  • Flavoparmelia caperata. M Sutcliffe. On hawthorn. The Cairn, Ilfracombe, Devon, England.   small LARGE
  • Flavoparmelia caperata. M Sutcliffe. On coastal shale. Ilfracombe, Devon.   small LARGE
  • Flavoparmelia caperata (fertile). Neil Sanderson. On oak branch. Buskets Wood, New Forest.   small LARGE
  • Flavoparmelia soredians. M Sutcliffe. On beech tree. East Lothian, Scotland.   small LARGE
  • Frutidella

  • Frutidella caesioatra. Andy Cross. On low mossy boulder at 1215m. Edge of the Wells of Dee, Cairngorms, Scotland.   small LARGE
  • Fulgensia

  • Fulgensia fulgens. Robin Crump. Wales.   small LARGE     small LARGE
  • Fuscidea

  • Fuscidea austera. M Sutcliffe. On gritstone. Lawrence field, near Hathersage, Derbyshire.   small LARGE   small LARGE
  • Fuscidea cyathoides. M Sutcliffe. On shale. Trerhiwarth, Llangynog, Wales.   small LARGE
  • Fuscidea cyathoides. N Hodgetts   small LARGE
  • Fuscidea cyathoides. M Sutcliffe. On sandstone, Kielder Forest, Northumberland.   small LARGE
  • Fuscidea gothoburgensis. Steve Price. Corrieshalloch, Scotland.   small LARGE
  • Fuscidea gothoburgensis. M Sutcliffe. On quartzite. Islay, Scotland.   small LARGE
  • Fuscidea kochiana. M Sutcliffe. On sandstone. Dead stones, Co. Durham, England.   small LARGE   small LARGE   small LARGE   small LARGE
  • Fuscidea lightfootii. M Sutcliffe. On plastic pipe. Dunstaffnage Marine Lab, near Oban, Scotland.   small LARGE
  • Fuscidea lightfootii. M Sutcliffe. On broadleaved tree. Bowlees, Teesdale, England.   small LARGE
  • Fuscidea lightfootii. M Sutcliffe. On fence post. Finlaggan, Islay, Scotland.   small LARGE
  • Fuscidea lygaea. M Sutcliffe. On quartzite. Islay, Scotland.   small LARGE
  • Fuscidea praeruptorum. M Sutcliffe. On gravestone. Whitfield Church, Northumberland.   small LARGE     small LARGE
  • Fuscidea praeruptorum. M Sutcliffe. On gritstone. Lawrence field, near Hathersage, Derbyshire.   small LARGE
  • Fuscopannaria

  • Fuscopannaria ignobilis. Dave Genney. Inverfarigaig, Invernesshire.   small LARGE
  • Fuscopannaria mediterranea. M Sutcliffe. On mossy ash tree. Inverawe Country Park, Strathclyde, Scotland.   small LARGE
  • Fuscopannaria sampaiana. M Sutcliffe. On oak trunk. Lochaline, Morvern, Scotland.   small LARGE
  • Gomphillus

  • Gomphillus calycioides. Neil Sanderson. The Burren, Ireland.   small LARGE
  • Graphina

  • Graphina anguina. M J Simms. On lakeside Ash. Black Island, Castleblayney, Co. Monaghan, Ireland.   small LARGE
  • Graphina anguina. M Sutcliffe. On sycamore. Near Ballygrant, Islay, Scotland.   small LARGE   small LARGE
  • Graphina pauciloculata (clusters of small lirellae). Neil Sanderson. On Graphina ruiziana on hazel. Draynes Wood, Cornwall.   small LARGE
  • Graphina ruiziana. Neil Sanderson. With small clusters of Graphina pauciloculata on hazel. Draynes Wood, Cornwall.   small LARGE
  • Graphis

  • Graphis elegans. M Sutcliffe. On beech. Hesleyside Park, Northumberland.   small LARGE   small LARGE
  • Graphis scripta. M Sutcliffe. On beech, the Cairn, Ilfracombe, Devon, England.   small LARGE
  • Gyalecta

  • Gyalecta jenensis. M Sutcliffe. On limestone cliff. Lismore Island, scotland.   small LARGE
  • Gyalecta truncigena. M Sutcliffe. On branch of mature elm. East coast of Raasay, Scotland.   small LARGE   small LARGE   Habitat
  • Gyalecta ulmi. N Hodgetts.   small LARGE
  • Gyalecta ulmi. M Sutcliffe. On limestone. Yew crags, Northumberland.   small LARGE
  • Gyalidiopsis

  • Gyalidiopsis crenulata. Ray Woods. With Placopsis lambii on heavy metal rich boulder. Nantymwyn mine, Rhandirmwyn, Carmarthenshire, Wales.   small LARGE
  • Gyalidiopsis muscicola. Dave Genney. Scotland.   small LARGE
  • Gyalideopsis muscicola. M Sutcliffe. On moss. Argyll, Scotland.   small LARGE
  • Haematomma

  • Haematomma ochroleucum var porphyrium. M Sutcliffe. vertical face of tombstone, Norfolk, England.   small LARGE
  • Haematomma ochroleucum fertile. M Sutcliffe. On sandstone. Grut Fea, Isle of Hoy, Scotland.   small LARGE
  • Hertelidea

  • Hertelidea botryosa. M Sutcliffe. On fallen dead pine. Glen Quoich. Scotland.   small LARGE
  • Hertelidea botryosa. M Sutcliffe. On dead fallen oak. Old deer park, Chatsworth, Derbyshire.   small LARGE
  •   Habitat

    Heterodermia
    Heterodermia japonica has been wrongly applied to British and Irish specimens and is H. obscurata.

  • Heterodermia obscurata. Dave Genney. Knapdale SSSI, Argyll and Bute.   small LARGE
  • Heterodermia leucomela. M Sutcliffe. Coastal serpentine rocks, The Lizard, Cornwall, England.   small LARGE
  • Heterodermia leucomela. Theresa Greenaway. Saddle Point, Pembrokeshire, Wales.   small LARGE
  • Heterodermia leucomela. Neil Sanderson. On beech twig. The Deer Park, Boconnoc, Cornwall.   small LARGE
  • Heterodermia leucomela. Peter Lambley. On coastal heath. Kynance Cove, The Lizard, Cornwall.   small LARGE
  • Heterodermia propagulifera. Peter Lambley. On coastal heath. Tresco, Isles of Scilly.   small LARGE
  • Homostegia (parasitic fungi)

  • Homostegia piggotii. M Sutcliffe. Parasitizing Parmelia saxatilis. Raasay, Scotland.   small LARGE
  • Hymenelia

  • Hymenelia epulotica. M Sutcliffe. On limestone boulder. Yew crags, West Allendale, Northumberland.   small LARGE
  • Hymenelia epulotica. M Sutcliffe. On limestone. High Edge, Derbyshire.   small LARGE
  • Hyperphyscia

  • Hyperphyscia adglutinata. M Sutcliffe. On ancient oak. Nettlecombe Court, Williton, Somerset, England.   small LARGE
  • Hypocenomyce

  • Hypocenomyce friesii. Neil Sanderson. On lignum. Standing dead pine, Cadha Beag, Rothiemurchus.   small LARGE
  • Hypocenomyce scalaris. M Sutcliffe. On standing dead pine. Glen Quoich, Braemar, Scotland.   small LARGE
  • Hypogymnia

  • Hypogymnia farinacea. M Sutcliffe. On siliceous rock. Rannerdale Knotts, Cumbria.   small LARGE
  • Hypogymnia farinacea. Andy Acton. On Scots pine. Scotland.   small     small   LARGE
  • Hypogymnia physodes. M Sutcliffe. On artificial sign of nature reserve, Williamston, Northumberland, England.   small LARGE
  • Hypogymnia physodes. M Sutcliffe. On sandstone boulder. Hadrian's Wall area, Northumberland, England.   large
  • Hypogymnia physodes. M Sutcliffe. On pine. Loch Maree, Scotland.   small
  • Hypogymnia physodes fertile. Dave Genney. Scotland.   small LARGE
  • Hypogymnia tubulosa. M Sutcliffe. On sandstone boulder. Queen's crag, Northumberland, England.   small LARGE
  • Hypogymnia vittata. M Sutcliffe. On open, dune grassland. Golspie, Scotland.   small LARGE   small LARGE   small LARGE
  • Hypotrachyna

  • Hypotrachyna afrorevoluta. Neil Sanderson. On oak branch. Plain Green, Busketts Wood, New Forest.   small LARGE
  • Hypotrachyna afrorevoluta compared with Hypotrachyna revoluta (left). Neil Sanderson.   small LARGE
  • Hypotrachyna britannica. M J Simms. On ash by Clare River, Milltown, Co. Galway, Ireland.   small LARGE
  • Hypotrachyna laevigata. M Sutcliffe. On broadleaved tree. Morvern, Scotland.   small LARGE
  • Hypotrachyna laevigata. M Sutcliffe. On alder. Inverawe Country Park, Taynuilt, Scotland.   small LARGE
  • Hypotrachyna revoluta. M Sutcliffe. On oak. Ulverscroft, Leicestershire, England.   small LARGE   small LARGE   Habitat
  • Hypotrachyna sinuosa. M J Simms. On sycamore branch, Fahee North, the Burren, Co. Clare, Ireland.   small LARGE
  • Hypotrachyna sinuosa. M Sutcliffe. On birch. Raasay, Scotland.   small LARGE
  • Hypotrachyna taylorensis. M Sutcliffe. On large horizontal branch at woodland edge. Morvern, Scotland.   small LARGE
  • Icmadophila

  • Icmadophila ericetorum. M Sutcliffe. On peat. Glen Quoich, Braemar, Scotland.   small LARGE
  • Imshaugia

  • Imshaugia aleurites. M Sutcliffe. On old wooden bridge. Glen Quoich, Braemar, Scotland.   small LARGE
  • Imshaugia aleurites. fertile. M Sutcliffe. On rotting pine stump. Glen Quoich, Braemar, Scotland.   small LARGE
  • Imshaugia aleurites. M Sutcliffe. On pine. Loch Maree, Scotland.   small LARGE
  • Imshaugia aleurites. M Sutcliffe. On dead fallen oak. Old deer park, Chatsworth, Derbyshire.   small LARGE
  • Ionapsis

  • Ionaspis lacustris. M Sutcliffe. Screapadal, Raasay, Scotland.   small LARGE
  • Ionaspis epulotica is now Hymenelia epulotica.
  • Jamesiella

  • Jamesiella anastomosans showing hyphophores. Mark Powell. On Oak branch near Salisbury.   small LARGE
  • Lasallia

  • Lasallia pustulata. M Sutcliffe. On volcanic tuff. Bradgate Park, Leicestershire.   small LARGE
  • Lasallia pustulata. F G Jones. On siliceous Roche Moutonnee. Nant Ffrancon, N Wales.   small LARGE
  • Lasallia pustulata. F G Jones. N Wales. Dry   small LARGE   Wet small LARGE
  • Lecanactis

  • Lecanactis abietina. M Sutcliffe. Sycamore. Roddam Dene, Wooler, Northumberland, England.   small LARGE
  • Lecanactis abietina (fertile). M Sutcliffe. Sycamore. Roddam Dene, Wooler, Northumberland, England.   small LARGE
  • Lecanactis subabietina. M Sutcliffe. On veteran oak. Dinefwr deer park, Carmarthenshire.   small LARGE
  • Lecania

  • Lecania aipospila. M Sutcliffe. On coastal basalt. South Hoy, Orkneys, Scotland.   small LARGE
  • Lecania atrynoides. M Sutcliffe. On coastal shale. Rockham beach, North Devon.   small LARGE   small LARGE   Ascus & spores (in KI)   Apothecium when wet   Habitat
  • Lecania cuprea. Simon Davey. On limestone pavement. Great Asby, Westmorland.   small LARGE
  • Lecania cyrtella. M Sutcliffe. On elder. Newburn, Newcastle-upon-Tyne.   small LARGE   small LARGE
  • Lecania inundata. M Sutcliffe. On iron sheet. Tideslow Rake, Derbyshire.   small LARGE   Habitat
  • Lecania naegelii. Mark Powell. On ash twig. Minera churchyard, Denbighshire.   small LARGE
  • Lecania rabenhorstii M Sutcliffe. Hoy church, Isle of Hoy, Scotland.   small LARGE
  • Lecania subfuscula. M Sutcliffe. On coastal turf (surrounded by undescribed Bacidea). South Hoy, Orkneys, Scotland.   small LARGE
  • Lecanographa

  • Lecanographa amylacea. D Genney. On oak. Cawdor Wood, Scotland.   small LARGE   small LARGE   small LARGE
  • Lecanographa dialeuca. Neil Sanderson. On chert overhang in limestone. Penn's Weare, Isle of Portland.   small LARGE
  • Lecanographa grumulosa. Neil Sanderson. On overhanging limestone. Penn's Weare, Isle of Portland.   small LARGE
  • Lecanographa lyncea. Neil Sanderson. On ivy stem on sandstone cliff in oceanic woodland, Correl Glen, Co. Fermanagh.   small LARGE
  • Lecanora

  • Lecanora agardhiana. Neil Sanderson. On limestone. Stackpole, Saddle Point, Pembrokeshire.   small
  • Lecanora albella. Mark Powell. Showing PD+. On Oak branch near Salisbury.   small LARGE
  • Lecanora albescens. M Sutcliffe. On vertical tombstone. Cemetery, Darlington, England.   small LARGE
  • Lecanora antiqua. M Sutcliffe. On church wall. Leicestershire, England.   small LARGE   Small LARGE
  • Lecanora antiqua. M J Simms. On weathered, perspex information board (C+yellow). Knockiveagh, Co Down, N. Ireland.   small LARGE
  • Lecanora antiqua. M Sutcliffe. On Whitfield Church (east side), Northumberland.   small LARGE
  • Lecanora argentata. M Sutcliffe. On sycamore. Roddam Dene, Northumberland.   small LARGE   small LARGE   Apothecium section
  • Lecanora atrosulphurea M Sutcliffe. On sandstone boulder. Ward Hill, Isle of Hoy, Scotland.   small LARGE   Habitat
  • Lecanora barkmaniana. M Sutcliffe. On broadleaved tree. National Botanic Garden of Wales, Carmarthen.   small LARGE
  • Lecanora campestris var. campestris. M Sutcliffe. On limestone, Harboro Rocks, Derbyshire.   small LARGE
  • Lecanora campestris var. dolomitica. M Sutcliffe. On limestone, Harboro Rocks, Derbyshire.   small LARGE
  • Lecanora carpinea. M Sutcliffe. On maple. Portsoy, Aberdeenshire, Scotland.   small LARGE
  • Lecanora carpinea. M Sutcliffe. On hawthorn. Lathkill Dale, Derbyshire.   small LARGE
  • Lecanora chlarotera. M Sutcliffe. On ash. Devon.   small LARGE
  • Lecanora cinereofusca. Neil Sanderson. On hazel, old growth hazel - ash pasture-woodland, Coille Thogabhaig, Skye.   small LARGE   small LARGE
  • Lecanora conferta is now Lecanora antiqua.
  • Lecanora confusa. M Sutcliffe. On old wooden gate. Rackwick, Isle of Hoy, Scotland.   small LARGE
  • Lecanora conizaeoides. M Sutcliffe. On pine. Ingram, Northumberland.   small LARGE
  • Lecanora crenulata. M Sutcliffe. On tombstone. Cemetery, Darlington, England.   small LARGE
  • Lecanora crenulata. Neil Sanderson. On limestone. Stackpole, Saddle Point, Pembrokeshire.   small
  • Lecanora dispersa. M Sutcliffe. On dolomitised limestone. Harboro' rocks, Derbyshire.   small LARGE   small LARGE
  • Lecanora expallens. M Sutcliffe. On young broadleaved tree, Allensford, Durham, England.   small LARGE
  • Lecanora expallens. M Sutcliffe. On south side of church. Kilmory, Arran, Scotland.   Small LARGE     small LARGE
  • Lecanora expallens. M Sutcliffe. On old wooden gatepost. Rackwick, Isle of Hoy, Scotland.   small LARGE
  • Lecanora farinaria. M Sutcliffe. On old wooden gate. Rackwick, Isle of Hoy, Scotland.   small LARGE
  • Lecanora fugiens. M J Simms. On coastal sandstone. Fisherstreet, Co. Clare, Ireland.   small LARGE
  • Lecanora gangaleoides. M Sutcliffe. On sandstone crag. Pithouse crags, Kielder Forest, Northumberland, England.   small LARGE
  • Lecanora gangaleoides. M Sutcliffe. On whin sill (andesite). Sewingshields crag, Northumberland, England.   small LARGE
  • Lecanora intricata. M Sutcliffe. On drystone wall. Teesdale, Durham.   small LARGE
  • Lecanora intumescens. Neil Sanderson. On Rowan. Cadha Beag, Rothiemurchus.   small LARGE   small LARGE
  • Lecanora jamesii. Theresa Greenaway. On Salix. Stackpole, Pembrokeshire, Wales.   small LARGE
  • Lecanora leptacina. Neil Sanderson. On boulder in late snow patch. Garbh Choire Mor, Mar Lodge Estate.   small LARGE
  • Lecanora muralis. M Sutcliffe. On whin sill, near Hadrian's Wall, Northumberland, England.   small LARGE
  • Lecanora muralis. M Sutcliffe. On low wall. Saltwell Park, Gateshead, England.   small LARGE   habitat
  • Lecanora orosthea. M Sutcliffe. On siliceous volcanic tuff. Bradgate Park, Leicestershire, England.   small LARGE   small LARGE
  • Lecanora pannonica. M Sutcliffe. Vertical face of brick wall. Norfolk, England.   small LARGE
  • Lecanora pannonica. Mark Powell. On sandstone. Bridge at Felmersham, Bedfordshire.   small LARGE   small LARGE
  • Lecanora persimilis. M Sutcliffe. On sycamore twig. Near Strathdon, Scotland.   small LARGE   small LARGE
  • Lecanora persimilis. M Sutcliffe. On ash twig. Ardnahoe loch, Islay, Scotland.   small LARGE
  • Lecanora polytropa. M Sutcliffe. On drystone wall. Teesdale, Durham. (L. polytropa middle, surrounded by L. intricata and L. soralifera)   small LARGE
  • Lecanora pulicaris. M Sutcliffe. On old wooden post. Stonehaugh, Northumberland, England.   small LARGE
  • Lecanora quercicola. Neil Sanderson. Melbury Park, England.   small LARGE
  • Lecanora rupicola. M Sutcliffe. Vertical tombstone. Kilmory, Arran, Scotland.   small LARGE   LARGE
  • Lecanora rupicola. M Sutcliffe. Sandstone wall. Middleton-in-teesdale, England.   small LARGE
  • Lecanora rupicola. M Sutcliffe. Sandstone wall. Middleton-in-teesdale, England.   small LARGE
  • Lecanora rupicola. M Sutcliffe. Sandstone wall. Middleton-in-teesdale, England.   small LARGE
  • Lecanora saligna. M Sutcliffe. On old wooden gate. Rackwick, Isle of Hoy, Scotland.   small LARGE
  • Lecanora saligna. M Sutcliffe. On oak wood. Chatsworth Estate, Derbyshire.   small LARGE
  • Lecanora sinuosa. John Garrett. On ash. Suffolk.   small LARGE
  • Lecanora soralifera. M Sutcliffe. On drystone wall (with L. polytropa). Teesdale, Durham.   small LARGE
  • Lecanora soralifera. M Sutcliffe. On basalt. Teesdale, England.   small LARGE
  • Lecanora sublivescens Andy Cross. On sunny trunk of old beech, New Forest.   small LARGE
  • Lecanora sublivescens. M Sutcliffe. On veteran oak. Dinefwr deer park, Carmarthenshire.   small LARGE   small LARGE
  • Lecanora sulphurea . M Sutcliffe. On sandstone. Isle of Hoy, Scotland.   small LARGE
  • Lecanora swartzii. N Hodgetts   small LARGE
  • Lecanora symmicta. M Sutcliffe. On old wooden gate. Rackwick, Isle of Hoy, Scotland.   small LARGE
  • Lecanora varia. M Sutcliffe. On old wooden post. Stonehaugh, Northumberland, England.   small LARGE
  • Lecanora zosterae M Sutcliffe. On decaying grass at top of earth bank along coast. Isle of Hoy, Scotland.   small LARGE   small LARGE   Habitat
  • Lecidea

  • Lecidea fuliginosa. M Sutcliffe. On basalt. Brada Hill, Northumberland.   small LARGE   small LARGE
  • Lecidea fuscoatra s. lat. M Sutcliffe   small LARGE
  • Lecidea fuscoatra s. lat. M Sutcliffe. On volcanic tuff. Bradgate Park, Leicestershire.   small LARGE
  • Lecidea grisella. M Sutcliffe. On basalt. Brada Hill, Northumberland.   small LARGE    small LARGE
  • Lecidea hypnorum. M Sutcliffe. On moss on limestone boulder. Yew crags, West Allendale, Northumberland.   small LARGE
  • Lecidea hypopta. M Sutcliffe. On oak lignum. Old deer park, Chatsworth Estate, Derbyshire.   small LARGE   Habitat
  • Lecidea lactea (showing K+red). M Sutcliffe. On acidic rock. Islay, Scotland.   small LARGE
  • Lecidea lapicida. M Sutcliffe. On siliceous rock. Glen Buchat, Aberdeenshire, Scotland.   small LARGE
  • Lecidea lithophila. M Sutcliffe. On basalt. Brada Hill, Northumberland.   small LARGE    small LARGE
  • Lecidea nylanderi. M Sutcliffe. On pine lignum, Braemar, Scotland.   small LARGE
  • Lecidea nylanderi. M Sutcliffe.   small
  • Lecidea turgidula. Neil Sanderson. On lignum on fallen pine. Rothiemurchus.   small LARGE
  • Lecidea turgidula. Neil Sanderson. On standing dead oak. Mallard Wood, New Forest.   small LARGE
  • Lecidella

  • Lecidella asema M Sutcliffe. On coastal sandstone. Rackwick, Isle of Hoy, Scotland.   small LARGE
  • Lecidella carpathica. Mark Powell. On old wooden railway sleepers of footbridge.   small   Section in K
  • Lecidella elaeochroma. M Sutcliffe. On oak twig. Ilfracombe, Devon, England.   small LARGE
  • Lecidella scabra. M Sutcliffe. On sandstone. Rackwick, Isle of Hoy, Scotland.   small LARGE
  • Lecidella scabra. M Sutcliffe. On basalt. Brada Hill, Northumberland.   small LARGE

  • Lecidella stigmatea. M Sutcliffe. On mortar. Boundary wall. Bradgate Park, Leicestershire.   small LARGE
  • Lecidella stigmatea. M Sutcliffe. On Whitfield Church, Northumberland.   small LARGE
  • Lecidoma

  • Lecidoma demissum. Andy Cross. On southern slope of Sgor an Lochain Uaine at 1150m, Scotland.   small LARGE
  • Lepraria

  • Lepraria ecorticata. M Sutcliffe. On sandstone in dry underhang. Great Wood, Durham, England.   small LARGE   Habitat
  • Lepraria incana. M Sutcliffe. On shaded gritstone. Lawrence field, near Hathersage, Derbyshire.   small LARGE   small LARGE   Habitat
  • Lepraria lobificans. M Sutcliffe. On birch. Jura, Scotland.   small LARGE
  • Lepraria membranacea. M Sutcliffe. On underhang of sandstone crag. Pithouse crags, Kielder Forest, Northumberland, England.   small LARGE
  • Lepraria membranacea. M Sutcliffe.   small LARGE
  • Lepraria nivalis. M J Simms. On shaded limestone, Kilcorney, the Burren, Co. Clare, Ireland.   small LARGE
  • Lepraria nivalis. M Sutcliffe. On virtical limestone. Yew crags, West Allendale, Northumberland.   small LARGE
  • Lepraria nivalis. M Sutcliffe. Shaded limestone cliff. Lathkill Dale, Derbyshire.   small LARGE
  • Lepraria rigidula. M Sutcliffe. Kindrogan Field Centre, Scotland.   small LARGE
  • Leprocaulon

  • Leprocaulon microscopicum. M Sutcliffe. On vertical shale. Ilfracombe, Devon.   small LARGE
  • Leptogium
    Comparison with Collema

  • Leptogium brebissonii. M Sutcliffe. On hazel. Ballachuan Hazelwood, Scotland.   small LARGE   small LARGE
  • Leptogium britannicum. M Sutcliffe. On limestone seacliff. Lismore Island, scotland.   small LARGE
  • Leptogium burgessii. (fertile). M Sutcliffe. On mossy base of oak trunk. Lochaline, Morvern, Scotland.   small LARGE   LARGE
  • Leptogium burgessii. (sterile). M Sutcliffe. On mossy base of oak trunk. Lochaline, Morvern, Scotland.   small LARGE
  • Leptogium cochleatum. M J Simms. On hazel in woodland, Berneens, The Burren, Ireland.   small LARGE
  • Leptogium coralloideum. Neil Sanderson. On hazel, old growth hazel - ash pasture-woodland, Coille Thogabhaig, Skye.   small LARGE
  • Leptogium cyanescens. M Sutcliffe. On alder. Inverawe Country Park, Taynuilt, Scotland.   small LARGE   small LARGE
  • Leptogium cyanescens. M Sutcliffe. On shaded mossy rocks. Torridon Wood, Wester Ross, Scotland.   small LARGE
  • Leptogium diffractum (with Clauzadea immersa). M J Simms. On exposed limestone pavement, Fahee North, Carran, The Burren, Co. Clare.   small LARGE
  • Leptogium gelatinosum. M Sutcliffe. On limestone tombstone. St John's in the Vale church, Cumbria.   small LARGE   small LARGE   small LARGE
  • Leptogium gelatinosum. M Sutcliffe. On limestone boulder. Lathkill Dale, Derbyshire.   small LARGE
  • Leptogium lichenoides. M Sutcliffe. On mossy oak. Inverawe Country Park, Taynuilt, Scotland.   small LARGE
  • Leptogium masiliense. M Sutcliffe. On limestone scree. Lathkill Dale, Derbyshire.   small LARGE
  • Leptogium palmatum. Neil Sanderson. In winter damp parched acid grassland, Blashford Water Treatment Works, New Forest, Hampshire.   small LARGE
  • Leptogium plicatile. M J Simms. On basalt boulders in stream, South Woodburn Glen, Carrickfergus, Northern Ireland.   small LARGE   Small LARGE
  • Leptogium pulvinatum. M Sutcliffe. On moss overgrowing limestone, Lathkill Dale, Derbyshire.   small LARGE
  • Leptogium saturninum. Dave Genney. Scotland.   small LARGE
  • Leptogium schraderi. M Sutcliffe. Derbyshire.   small LARGE
  • Leptogium subtile. M Sutcliffe. On decaying plant remains at mine spoil site, Derbyshire.   small LARGE
  • Leptogium tenuissimum. Neil Sanderson. on sand bank in parched acid grassland, Stanway Pit, Colchester, Essex.   small LARGE
  • Leptogium teretiusculum. M Sutcliffe. Near Screapadal, Raasay, Scotland.   small LARGE
  • Lichenomphalia

  • Lichenomphalia alpina. Ray Woods. near Llanelwedd, Radnorshire, Wales.   small LARGE
  • Lichenomphalia alpina. Dave Genney. With fruiting body surrounded by L. hudsoniana.   small LARGE
  • Lichenomphalia hudsoniana. M Sutcliffe. On peaty soil. Whitchester Moor, Northumberland.   small LARGE
  • Lichenomphalia hudsoniana. Dave Genney. Connival, Scotland.   small
  • Lichenomphalia hudsoniana. Dave Genney. Connival, Scotland.   small
  • LARGE
  • Lichenomphalia umbellifera. Ray Woods. On north-facing, peaty bank on Carngafallt, Llanwrthwl, Brecknock, Wales.   small LARGE
  • Lichenomphalia umbellifera. M Sutcliffe. On humus. Brada Hill, Northumberland.   small LARGE  small LARGE
  • Lichenomphalia umbellifera. M J Simms. On exposed peat. Glenhead, near Larne, Co. Antrim, N Ireland.   small LARGE   small LARGE
  • Lichina

  • Lichina confinis. M Sutcliffe. On shale above high water mark. Rockham beach, Morthoe, Devon.   small LARGE
  • Llimonaea

  • Llimonaea sorediata (with Roccella phycopsis). Neil Sanderson. On oak. Clovelly, Devon.   small LARGE
  • Lobaria

  • Lobaria amplissima. M Sutcliffe. On ash. Lochaline, Morvern, Scotland.   small LARGE
  • Lobaria amplissima. (dry). Neil Sanderson. On ancient Salix caprea ssp sphacelata Loch Ericht, Scotland.   small LARGE
  • Lobaria amplissima. Dave Genney. Fairy Isles, Knapdale, Argyll and Bute.   small LARGE
  • Lobaria pulmonaria. (dry). M Sutcliffe. Broadleaf tree. Glen Quoich, Braemar, Scotland.   small LARGE
  • Lobaria pulmonaria. (wet). M Sutcliffe. Sycamore. Brodick Castle, Isle of Arran, Scotland.   small LARGE
  • Lobaria pulmonaria (young). M Sutcliffe. On broadleaf tree. Near Ardilistry, S.E. Islay, Scotland.   small LARGE
  • Lobaria pulmonaria. Dave Genney. Ormidale House, Scotland.   small LARGE
  • Lobaria scrobiculata. M Sutcliffe. Broadleaf tree. Glen Quoich, Braemar, Scotland.   small LARGE
  • Lobaria scrobiculata. M Sutcliffe. Oak. Morvern, Scotland.   small LARGE
  • Lobaria scrobiculata. M Sutcliffe. On roadside wall. Inverawe Country Park, Taynuilt, Scotland.   small LARGE
  • Lobaria scrobiculata. (fertile). M Sutcliffe. Oak. Talladale, Loch Maree, Scotland.   small LARGE
  • Lobaria virens. M Sutcliffe. Oak trunk. Lochaline, Morvern, Scotland.   small LARGE
  • Lobaria virens. M Sutcliffe. Shaded mossy rock cleft, Imachar point, Isle of Arran, Scotland.   LARGE
  • Nectriopsis lecanodes. M Sutcliffe. Parasitic on Lobaria virens. Ballachuan Hazelwood, Scotland.   small LARGE
  • Lopadium

  • Lopadium disciforme. M Sutcliffe. On oak. Lochaline, Morvern, Scotland.   small LARGE
  • Lopadium disciforme. Dave Genney. Scotland.   small LARGE
  • Loxospora

  • Loxospora elatina. M Sutcliffe. On oak. Lochaline, Morvern, Scotland.   small LARGE
  • Loxospora elatina. M Sutcliffe. On oak. Jura, Scotland.   small LARGE
  • Marchandiomyces (parasitic fungi)

  • Marchandiomyces corallinus. M Sutcliffe. Parasitic on Parmelia sulcata. Ingram, Northumberland.   small LARGE
  • Massalongia

  • Massalongia carnosa. Ray Woods. beside the Afon Pisgottwr, Allt Rhyd y Groes, Rhandirmywyn, Carmarthenshire, Wales.   small LARGE
  • Megalaria

  • Megalaria grossa. M Sutcliffe. On mossy, shaded, coastal aspen. Badachro, Wester Ross, Scotland.   small LARGE
  • Megalaria grossa. M Sutcliffe. On mossy ash. Glen Tilt, Blair Atholl, Scotland.   small LARGE
  • Megalaria grossa. Dave Genney. Scotland.   small LARGE   Small LARGE
  • Megalaria laureri Neil Sanderson. Expanding into a wound track on ancient beech. New Forest.   small LARGE
  • Megalaria laureri. Neil Sanderson. M. laureri (centre) with Phaeographis dendritica on either side parasitised by Melaspilea lentiginosa. Rain track on Beech. James's Hill, New Forest.   small LARGE
  • Megalaria pulverea. M Sutcliffe. On Magnolia. Brodick Castle gardens, Arran, Scotland.   small LARGE
  • Megalaria pulverea. Dave Genney. Scotland.   small LARGE
  • Megalospora

  • Megalospora tuberculosa Neil Sanderson. On moss on old ash. New Forest.   small LARGE
  • Megalospora tuberculosa. Neil Sanderson. Ash tree, in open hazel - ash wood, Coille Thogabhaig, Skye.   small LARGE
  • Megaspora

  • Megaspora verrucosa. Neil Sanderson. Creag Mhor, Glen Tilt, Perthshire.   small LARGE
  • Melanelia

  • Melanelia hepatizon. M Sutcliffe. On schist. Ben Lawers, Scotland.   small LARGE
  • Melanelixia
    Melanelixia fuliginosa and M. glabratula are now shown to be separate species.
    Reference:- Arup, U. and Berlin, S. A taxonomic study of Melanelixia fuliginosa in Europe. The Lichenologist 43 (part 2).

  • Melanelixia fuliginosa. M Sutcliffe   small LARGE
  • Melanelixia glabratula. M Sutcliffe. On ash. Roddam Dene, Wooler, Northumberland, England.   small LARGE
  • Melanelixia glabratula apothecia. M Sutcliffe. On ash. Roddam Dene, Wooler, Northumberland, England.   small LARGE
  • Melanelixia subaurifera. M Sutcliffe. On pasture tree. Strathdon, Scotland.   small LARGE
  • Melanohalea

  • Melanohalea elegantula. M Sutcliffe. On sycamore. Whitfield Church, Northumberland.   small LARGE
  • Melanohalea exasperata. M Sutcliffe. On oak twig. Ilfracombe, Devon.   small LARGE
  • Melanohalea exasperatula. M Sutcliffe. On oak. Old deer park, Chatsworth Estate, Derbyshire.   small LARGE
  • Melanohalea laciniatula. M Sutcliffe. On beech. Edinburgh.   small LARGE
  • Melanohalea septentrionalis. Neil Sanderson. On birch. Kennapole Hill, Loch an Eilein, Rothiemurchus.   small LARGE (right and vertical branch)
  • Melaspilea

  • Melaspilea atroides. M Sutcliffe. Raasay, Scotland.   small LARGE
  • Melaspilea lentiginosa. Neil Sanderson. M. laureri (centre) with Phaeographis dendritica on either side parasitised by Melaspilea lentiginosa. Rain track on Beech. James's Hill, New Forest.   small LARGE
  • Melaspilea lentiginosa. Neil Sanderson. Parasitic on Phaeographis dendritica. On old beech. James's Hill, New Forest.   small LARGE
  • Melaspilea ochrothalamia. John Norton. Parasitising Rinodina efflorescens on young oak. Wood crates, New Forest, England.   small LARGE
  • Menegazzia

  • Menegazzia terebrata. M Sutcliffe. Trees. Lochaline, Morvern, Scotland.   small LARGE
  • Menegazzia terebrata. M Sutcliffe. On birch. Raasay, Scotland.   small LARGE
  • Micarea

  • Micarea alabastrites. M Sutcliffe. On oak. Lochaline, Morvern, Scotland.   small LARGE
  • Micarea alabastrites. M Sutcliffe. On pine. Loch Maree, Wester Ross, Scotland.   small LARGE   small LARGE
  • Micarea alabastrites. Neil Sanderson. On sandrock, Eridge Rocks, East Sussex.   small LARGE
  • Micarea coppinsii M Sutcliffe. On sandstone boulder. Ward Hill, Isle of Hoy, Scotland.   small LARGE
  • Micarea denigrata. M Sutcliffe. On decaying Cladonia. Highcliffe Mine, Eyam, Derbyshire.   small LARGE
  • Micarea erratica. Mark Powell. On old wooden railway sleepers of footbridge.   small   Section in K
  • Micarea hedlundii. Neil Sanderson. On standing dead oak. Tantany Wood, New Forest.   small LARGE
  • Micarea lignaria. M Sutcliffe. On acidic rock under pine. Glen Quoich, Braemar, Scotland.   small LARGE
  • Micarea lignaria. M Sutcliffe. On fallen dead pine. Glen Quoich, Braemar, Scotland.   small LARGE
  • Micarea melaena. M Sutcliffe. On decorticated oak. Great Wood, Eggleston, Durham, England.   small LARGE   Habitat
  • Micarea peliocarpa M Sutcliffe. On upland peat. Ward Hill, Isle of Hoy, Scotland.   small LARGE   Habitat
  • Micarea prasina. Jim Deacon.   small
  • Micarea prasinella. Dave Genney. On moss in ravine. Dundonnel, Scotland.   small   LARGE
  • Micarea stipitata. M Sutcliffe. On moss. Screapadal, Raasay, Scotland.   small LARGE
  • Micarea xanthonica. M Sutcliffe. On acidic bark. Raasay, Scotland.   small LARGE
  • Miriquidica

  • Miriquidica leucophaea. M Sutcliffe. On granite. Ulverscroft, Leicestershire, England.   small LARGE   small LARGE
  • Miriquidica nigroleprosa. N Hodgetts   small LARGE
  • Miriquidica pycnocarpa. M Sutcliffe. On basalt. Brada Hill, Northumberland.   small LARGE
  • Miriquidica pycnocarpa form sorediata. M Sutcliffe. On basalt. Brada Hill, Northumberland.   small LARGE
  • Mniaecia

  • Mniaecia jungermanniae. M Sutcliffe. On liverworts on inclined gritstone boulder. Lud's church (ravine), near Allgreave, Staffordshire.   small LARGE   small LARGE   Ascus   Habitat 1   Habitat 2
  • Moelleropsis

  • Moelleropsis nebulosa. B J Coppins. On crumbling Old Red sandstone, conglomerate and soil. Monynut Water, East Lothian, scotland.   small LARGE
  • Moelleropsis nebulosa. M Sutcliffe. On bare soil. Black Mountain, Carmarthenshire.   small LARGE
  • Multiclavula

  • Multiclavula vernalis. (TBC) Ray Woods. On a decorticate log, shore of Loch Arienas, Ardtornish, Scotland.   small LARGE
  • Mycobilimbia

  • Mycobilimbia epixanthoides. B J Coppins. On ash. Craighall Gorge SSSI, Perthshire, Scotland.   small LARGE
  • Mycobilimbia pilularis. M Sutcliffe. On shaded oak. Great wood, Eggleston, Durham, England.   small LARGE   small LARGE
  • Mycoblastus

  • Mycoblastus alpinum. M Sutcliffe. On gritstone boulder. Chatsworth Estate, Derbyshire.   small LARGE
  • Mycoblastus caesius. M Sutcliffe. On pine. Loch Maree, Wester Ross, Scotland.   small LARGE
  • Mycoblastus fucatus has been renamed as Violella fucata.
  • Mycoblastus sanguinarius. M Sutcliffe. On pine. Glen Quoich, Scotland.   small LARGE
  • Mycoblastus sanguinarius. M Sutcliffe. On pine. Loch Maree, Scotland.   small LARGE
  • Mycoblastus sanguinarius f. leprosus. Neil Sanderson. On pine. Cadha Beag, Rothiemurchus.   small LARGE
  • Mycoporum

  • Mycoporum antecellens. Neil Sanderson. On beech. Savernake Forest, Wiltshire.   small LARGE
  • Mycoporum antecellens . M Sutcliffe. On hazel. Rudha na Gailich, Jura, Scotland.   small LARGE
  • Mycoporum lacteum. Neil Sanderson. On ancient holly. James's Hill, New Forest.   small LARGE
  • Myriospora

  • Myriospora smaragdula. M Sutcliffe. On old wooden gate. Rackwick, Isle of Hoy, Scotland.   small LARGE
  • Myriospora smaragdula. M Sutcliffe. On sandstone sculpture. Holwick, Teesdale.   small LARGE   Habitat
  • Myxophora (parasitic fungi)

  • Myxophora leptogiifera parasitizing Collema flaccidum. M Sutcliffe. On sycamore, Raasay, Scotland.   small LARGE
  • Nectriopsis (parasitic fungi)

  • Nectriopsis lecanodes. M Sutcliffe. Parasitic on Lobaria virens. Ballachuan Hazelwood, Scotland.   small LARGE
  • Nectriopsis physciicola. Jenny Seawright. Parasitic on Physcia aipolia, on Ash, Ballingeary, Co. Cork. Eire.   small LARGE   small
  • Nephroma

  • Nephroma laevigatum. M Sutcliffe. On broadleaf tree. Glen Quoich, Braemar, Scotland.   small LARGE
  • Nephroma laevigatum. M Sutcliffe. On oak. Lochaline, Morvern, Scotland.   small LARGE
  • Nephroma laevigatum. M J Simms. On hazel by river, Ervey Wood, Co. Derry, Northern Ireland.   small LARGE
  • Nephroma parile. Ray Woods. On ash in a walled garden, Hafod, Cardiganshire, Wales.   small LARGE
  • Nephroma tangeriense (awaiting confirmation of identity). Dave Genney. Knapdale SSSI, Argyll and Bute.   small LARGE
  • Nephroma tangeriense. Peter Lambley. Kynance Cove, The Lizard, Cornwall.   small LARGE
  • Normandina

  • Normandina acroglypta. M Sutcliffe. On ash. RSPB reserve, Gruinart, Islay, Scotland.   small LARGE
  • Normandina pulchella. M Sutcliffe. On ash. Torridon, Wester Ross, Scotland.   small LARGE
  • Normandina pulchella. M J Simms. On Degelia atlantica. Hazel woodland. Fahee North, Carran, The Burren, Co. Clare.   small LARGE
  • Normandina pulchella (fertile). M Sutcliffe. On broadleaved tree. Rudha na Gailich, Jura, Scotland.   small LARGE
  • Ochrolechia

  • Ochrolechia androgyna. M Sutcliffe.   small LARGE
  • Ochrolechia androgyna. M Sutcliffe. On coastal schist. Isle of Arran, Scotland.   medium
  • Ochrolechia androgyna. M Sutcliffe. On riverside sycamore. near Haltwhistle, Northumberland.   large small
  • Ochrolechia androgyna. (fertile). M Sutcliffe. On oak. Talladale, Loch Maree, Scotland.   small LARGE
  • Ochrolechia frigida. M Sutcliffe. In calcareous grassland. Cronkley Fell, Teesdale, England.   small LARGE
  • Ochrolechia frigida. Dave Genney   small LARGE   small LARGE
  • Ochrolechia inaequatula. M Sutcliffe. On short, trampled, coastal grassland. East Lothian, Scotland.   small LARGE
  • Ochrolechia microstictoides. M Sutcliffe. On pine bark. Loch Maree, Wester Ross, Scotland.   small LARGE
  • Ochrolechia microstictoides. M Sutcliffe. On pine wood. Mar Lodge Estate, Braemar, Scotland.   small LARGE
  • Ochrolechia parella. M Sutcliffe. On coastal shale. Isle of Whithorn, Scotland.   small LARGE
  • Ochrolechia parella. M Sutcliffe. On coastal rocks. Kynance Cove, The Lizard, Cornwall, England.   small LARGE
  • Ochrolechia subviridis. M Sutcliffe. On old oak. Dalavich oakwood, Scotland.   small LARGE
  • Ochrolechia szatalaensis. M Sutcliffe. On rowan. Loch Maree, Wester Ross, Scotland.   small LARGE   small LARGE   small LARGE
  • Ochrolechia tartarea. M Sutcliffe. On sandstone crag, Northumberland, England.   small LARGE
  • Ochrolechia tartarea. (apothecia emerging). M Sutcliffe   small LARGE
  • Ochrolechia turneri. M Sutcliffe. On old wood post, Stonehaugh, Northumberland, England.   small LARGE
  • Opegrapha

  • Opegrapha areniseda. Maxine Putnam. On church wall. Combe Martin, Devon.   small LARGE   small
  • Opegrapha atra. M Sutcliffe. On ash. Near Ballygrant, Islay, Scotland.   small LARGE   small LARGE   Ascus & spores
  • Opegrapha calcarea. M Sutcliffe. On coastal shale. Ilfracombe, Devon.   small LARGE
  • Opegrapha calcarea. M Sutcliffe. On side of church. Isle of Hoy, Scotland.   small LARGE
  • Opegrapha corticola. Neil Sanderson. On ancient Beech, Mark Ash wood, New Forest.   small LARGE
  • Opegrapha dolomitica. M Sutcliffe. On limestone cliff. Yew crags, West Allendale, Northumberland.   small LARGE
  • Opegrapha gyrocarpa. M Sutcliffe. On underhang of shaded coastal schist. Imachar point, Arran, Scotland.   small LARGE
  • Opegrapha gyrocarpa. Steve Price. On gritstone wall. Combes, Derbyshire.   small LARGE
  • Opegrapha herbarum. Mark Powell. On elder. Galsey Wood, Bedfordshire.   small LARGE   Spore and ascus
  • Opegrapha ochrocheila. M Sutcliffe. On oak. Ardtornish, Lochaline, Scotland.   small LARGE
  • Opegrapha prosodea. Neil Sanderson. On Old hedgerow oak. Lymington, Hampshire.   small LARGE
  • Opegrapha pulvinata. M Sutcliffe. Parasitic on Dermatocarpon intestiniforme. Gairloch, Scotland.   small LARGE
  • Opegrapha rufescens. Mark Powell. On ash. Galsey Wood, Bedfordshire.   small   Spores
  • Opegrapha rupestris. M Sutcliffe. Parasitic on Verrucaria baldensis, on limestone. Wolfscote Dale, Hartington, Derbyshire.   small LARGE
  • Opegrapha subelevata. M Sutcliffe. On coastal shale containing limestone strata. Watermouth, Devon, England.   small LARGE   small LARGE   small LARGE   Habitat
  • Opegrapha thelotrematis. M Sutcliffe. On Thelotrema. Raasay, Scotland.   small LARGE
  • Opegrapha varia. M Sutcliffe. On sycamore. Roddam Dene, near Wooler, Northumberland, England.   small LARGE
  • Opegrapha vermicellifera. Andy Cross. On rain track of old beech. Bignell Wood, New Forest.   small LARGE
  • Opegrapha viridipruinosa. Neil Sanderson. on Japanese quince in garden, Fair Oak, Hampshire.   small LARGE
  • Opegrapha vulgata. M Sutcliffe. Shaded mature sycamore. Brodick Castle, Isle of Arran, Scotland.   small LARGE
  • Opegrapha vulgata. M Sutcliffe. The Cairn, Ilfracombe, Devon.   small LARGE
  • Opegrapha xerica. M Sutcliffe. Raasay, Scotland.   small LARGE   small LARGE
  • Ophioparma

  • Ophioparma ventosa f. ventosa. M Sutcliffe. On sandstone crag. Pithouse crags, Kielder Forest, Northumberland, England.   small LARGE
  • Ophioparma ventosa f. subfestiva. M Sutcliffe.   small LARGE
  • Pachyphiale

  • Pachyphiale carneola. M Sutcliffe. On oak. Lochaline, Morvern, Scotland.   small LARGE
  • Pachyphiale carneola. M Sutcliffe. On oak. Talladale, Loch Maree, Scotland.   small LARGE
  • Pannaria

  • Pannaria conoplea. M Sutcliffe. On oak. Talladale, Loch Maree, Wester Ross, Scotland.   small LARGE
  • Pannaria rubiginosa. M Sutcliffe. On oak. Lochaline, Morvern, Scotland.   small LARGE
  • Pannaria rubiginosa. M Sutcliffe. On aspen. Badachro, Wester Ross.   small LARGE
  • Pannaria rubiginosa. M Sutcliffe. Raasay, Scotland.   small LARGE
  • Parmelia
    Where have all the Parmelias gone?

  • Parmelia discordans. M Sutcliffe. On base of pine. Loch Maree, Scotland.   small LARGE   Small LARGE
  • Parmelia ernstiae. M Sutcliffe. On mature oak. Inverawe Country Park, Taynuilt, Scotland.   small LARGE   small LARGE
  • Parmelia ernstiae. M Sutcliffe. On mature oak. Derwent Gorge and Horsleyhope Ravine SSSI, Durham, England.   small LARGE   Small LARGE
  • Parmelia omphalodes. M Sutcliffe. Whitchester crag, Bellingham, Northumberland.   small LARGE
  • Parmelia saxatilis. M Sutcliffe. On coastal sandstone. Isle of Whithorn, Dumfries and Galloway, Scotland.   small LARGE
  • Parmelia saxatilis. M Sutcliffe. On pine. Loch Maree, Scotland.   small LARGE
  • Parmelia saxatilis. (fertile). M Sutcliffe. Pithouse crag, Kielder Forest, Northumberland.   small LARGE
  • Parmelia saxatilis. M Sutcliffe. On tree trunk. Bowlees visitor's centre, Teesdale, England.   small LARGE
  • Homostegia piggotii. M Sutcliffe. Parasitizing Parmelia saxatilis. Raasay, Scotland.   small LARGE
  • Parmelia sulcata. M Sutcliffe.   small LARGE
  • Parmelia sulcata. mature and fertile. M Sutcliffe.   small LARGE
  • Parmelia sulcata. M Sutcliffe. Bowlees Visitor's Centre, near Middleton-in-Teesdale, Durham, England.   small LARGE
  • Parmelia sulcata. Sarah Lovett. On hawthorn. West Somerset, England.   small LARGE
  • Marchandiomyces corallinus. M Sutcliffe. Parasitic on Parmelia sulcata. Ingram, Northumberland.   small LARGE
  • Parmeliella

  • Parmeliella parvula. M Sutcliffe. On oak. Lochaline, Morvern, Scotland.   small LARGE
  • Parmeliella parvula. M Sutcliffe. On broadleaved tree. Talladale, Loch Maree, Scotland.   small LARGE
  • Parmeliella parvula. M Sutcliffe. On sycamore. Raasay, Scotland.   small LARGE
  • Parmeliella triptophylla. M Sutcliffe. On birch. Raasay, Scotland.   small LARGE
  • Parmelina

  • Parmelina carporrhizans. M Sutcliffe. On coastal sycamore. Watermouth, North Devon, England.   small LARGE   Ascocarp rhizines   Habitat
  • Parmelina pastillifera. M Sutcliffe. Sea wall. Ilfracombe, Devon.   small LARGE   small LARGE   Habitat
  • Parmelina tiliacea. M Sutcliffe. On lime tree. Whitfield Church, Northumberland.   small LARGE
  • Parmelinopsis

  • Parmelinopsis horrescens. M Sutcliffe. On birch. Coed Crafnant, Llanbedr, Meirionydd, Wales.   small LARGE   small LARGE
  • Parmelinopsis horrescens. Neil Sanderson. On beech, Shave Wood, New Forest.   small LARGE
  • Parmelinopsis minarum. Neil Sanderson. On oak branch in pasture woodland, New Forest.   small LARGE
  • Parmeliopsis

  • Parmeliopsis ambigua. M Sutcliffe. On sandstone. Whitchester Moor, Northumberland, England.   small LARGE   Small LARGE
  • Parmeliopsis ambigua. Neil Sanderson. On high cut pine stump. Cadha Beag, Rothiemurchus.   small LARGE
  • Parmeliopsis hyperopta. M Sutcliffe. On broadleaved tree. Raasay. Scotland.   small LARGE
  • Parmotrema

  • Parmotrema crinitum. M Sutcliffe. On boulders at base of sea cliff. An Scriodan, Isle of Arran, Scotland.   small LARGE
  • Parmotrema perlatum. M Sutcliffe.   small LARGE
  • Parmotrema perlatum. Steve Price. With Umbilicaria deusta. Burbage Brook, Sheffield.   small LARGE
  • Parmotrema perlatum. Theresa Greenaway. Orielton, Pembrokeshire, Wales.   small LARGE
  • Parmotrema pseudoreticulatum. Neil Sanderson. On ash in old parkland. The Oaks, Shane's Castle, Co. Antrim. N Ireland.   small LARGE   small LARGE
  • Parmotrema reticulatum. John Norton. On beech. Wood crates, New Forest, England.   small LARGE
  • Parmotrema robustum. Peter Lambley. West Lizard, Cornwall.   small LARGE   small LARGE
  • Peltigera

  • Peltigera britannica. M Sutcliffe. Mossy tree bole. Kindrogan field centre, Scotland.   small LARGE
  • Peltigera britannica. Barbara Ballinger. Birchwood, Loch Morie, Scotland. With blue green morph developing.   small LARGE
  • Peltigera britannica. Dave Genney. Scotland.   small LARGE
  • Peltigera canina. Neil Sanderson. In acid grassland, Wolmer Forest, Hampshire.   small LARGE   small LARGE   Lower surface
  • Peltigera collina. M Sutcliffe. On mossy tree. Kindrogan Field Centre, Scotland.   small LARGE
  • Peltigera didactyla. Stewart Taylor. In shallow heathy pit. Boat of Garten, Invernesshire.   small small
  • Peltigera horizontalis. M Sutcliffe. Broadleaved woodland, Lochaline, Scotland.   small LARGE
  • Peltigera horizontalis. M Sutcliffe. Broadleaved woodland, Cumbria, England.   small
  • Peltigera horizontalis. M Sutcliffe. On mossy rocks. Great Wood, Eggleston, Durham.   small
  • LARGE
  • Peltigera hymenina. M Sutcliffe.   small LARGE
  • Peltigera hymenina. M Sutcliffe.   small LARGE
  • Peltigera leucophlebia. M Sutcliffe.   small LARGE
  • Peltigera leucophlebia. Jane Bowman. Glen Moriston, Scotland.   small LARGE   small LARGE
  • Peltigera malacea. Dave Genney. At Ferry Links, Loch Fleet NNR, Scotland.   small LARGE
  • Peltigera malacea. Stewart Taylor. With P. didactyla and P. membranacea in a shallow heathy pit. Boat of Garten, Invernesshire.   small LARGE
  • Peltigera membranacea. M Sutcliffe.   small LARGE
  • Peltigera membranacea. M Sutcliffe. On mossy rocks. Glen Quoich, braemar, Scotland.   small
  • Peltigera neckeri. Steve Price. On lead mine spoil. Hassop Common, Derbyshire, England.   small LARGE
  • Peltigera polydactylon. M Sutcliffe. On limestone. High Edge, Derbyshire.   small LARGE
  • Peltigera polydactylon. Andy Cross. Allt Feith Lair, Glen Tilt, Perthshire.   small LARGE
  • Peltigera praetextata. M Sutcliffe. On sheltered stream bank. Andrew's Cleugh, Northumberland.   small LARGE
  • Peltigera praetextata. M Sutcliffe. Mossy sandstone on bank of river South Tyne. Near Lambley, Haltwhistle, Northumberland.   small LARGE
  • Peltigera rufescens. M Sutcliffe. Upland calcareous grassland, Teesdale, England.   small LARGE
  • Peltigera rufescens. Neil Sanderson. In acid grassland, Wolmer Forest, Hampshire.   small LARGE   Lower surface
  • Peltigera rufescens. P Jackson.   small
  • Peltigera scabrosella. D Genney. Cawdor Wood, Scotland.   small LARGE   Small LARGE   Small LARGE
  • Peltigera scabrosella. Neil Sanderson. On boulder in ravine. Cawdor Wood, Nairn, Scotland.   small LARGE   small LARGE
  • Peltigera venosa. M Sutcliffe. On heavy metal contaminated shingle. River South Tyne, Northumberland.   small LARGE
  • Peltigera venosa. M Sutcliffe.   small LARGE
  • Pertusaria

  • Pertusaria albescens. M Sutcliffe. On mature oak. Balchroich Meadow, Scotland.   small LARGE
  •   small LARGE
  • Pertusaria albescens. M Sutcliffe. On oak. Penrhyn Castle, Bangor, North Wales.   small LARGE
  • Pertusaria albescens var. albescens. Neil Sanderson. On sandrock, Eridge Rocks, East Sussex.   small LARGE
  • Pertusaria albescens var corallina. M Sutcliffe. On sycamore. Raasay, Scotland.   small LARGE
  • Pertusaria amara. M Sutcliffe. On sycamore. Northumberland, England.   small LARGE
  • Pertusaria amara. M Sutcliffe. Raasay, Scotland.   small LARGE
  • Pertusaria amara. M Sutcliffe. On hazel. Rudha na Gailich, Jura, Scotland.   small LARGE
  • Pertusaria amara f. pulvinata. Neil Sanderson. Mark Ash wood, New Forest.   small LARGE
  • Pertusaria aspergilla. M J Simms. On granite (P+red). Knockiveagh, Co Down, N. Ireland.   small LARGE
  • Pertusaria aspergilla. M Sutcliffe. On shale. Trerhiwarth, Llangynog, Wales.   small LARGE   small LARGE
  • Pertusaria borealis. Neil Sanderson. On lignum on fallen pine. Rothiemurchus.   small LARGE
  • Pertusaria coccodes. M J Simms. On mature ash, Tynan Park, Co. Armagh, Northern Ireland.   small LARGE
  • Pertusaria coccodes. M Sutcliffe. On sycamore. Raasay, Scotland.   small LARGE
  • Pertusaria corallina. M Sutcliffe. On sandstone boulder, Queen's crag, Northumberland, England.   small LARGE
  • Pertusaria corallina fertile. Neil Sanderson. Bluestone, Mynydd Preseli, Pembrokeshire.   small LARGE
  • Pertusaria excludens. M J Simms. (Showing K+y to r) On granite wall, Legananny, Co. Down, N Ireland.   small LARGE
  • Pertusaria excludens. M Sutcliffe. On basalt. Dun Caan, Raasay, Scotland.   small LARGE   small LARGE
  • Pertusaria flavida. M Sutcliffe. On oak. Penrhyn Castle, Bangor, North Wales.   small LARGE
  • Pertusaria flavida. Theresa Greenaway. On oak trunk. Knepp Castle Estate, West Sussex.   small LARGE
  • Pertusaria hemisphaerica. M Sutcliffe. On oak. Great Wood, Durham, England.   small LARGE
  • Pertusaria hemisphaerica. Showing C+ red. Andy Cross. On oak. North shore of Loch Rannoch, Scotland.   small LARGE
  • Pertusaria hymenea. M Sutcliffe. On sycamore trunk, Score valley, Ilfracombe, Devon.   small LARGE
  • Pertusaria lactea. M Sutcliffe. On schist. Glen Quoich, Scotland.   small LARGE
  • Pertusaria leioplaca. M Sutcliffe. On rowan. Kindrogan Field Centre, Pitlochry, Scotland.   small LARGE
  • Pertusaria leioplaca. M Sutcliffe. On ash. Roddam Dene, near Wooler, Northumberland, England.   small LARGE
  • Pertusaria multipuncta. John Norton. On oak. Wood crates, New Forest, England.   small LARGE
  • Pertusaria multipuncta. M Sutcliffe. On birch. Raasay, Scotland.   small LARGE
  •   small LARGE
  • Pertusaria oculata. Neil Sanderson. On windblown low montane heath. Creag Mhigeachaidh, Glen Feshie.   small LARGE
  • Pertusaria ophthalmiza. Neil Sanderson. On old alder. Loch Ericht, Scotland.   small LARGE
  • Pertusaria ophthalmiza. M Sutcliffe. On birch. Talladale, Loch Maree, Wester Ross, Scotland.   small LARGE   small LARGE
  • Pertusaria pertusa. M Sutcliffe.   small LARGE
  • Pertusaria pertusa. M Sutcliffe. On oak. Great Wood, County Durham.   small LARGE
  • Pertusaria pluripuncta. Peter Lambley. Tresco, Isles of Scilly.   small LARGE
  • Pertusaria pseudocorallina. M Sutcliffe. Volcanic tuff. Bradgate Park, Leicestershire.   small LARGE
  • Pertusaria pseudocorallina. Theresa Greenaway. On basalt. Wooltack, Pembrokeshire, Wales.   small LARGE
  • Pertusaria pseudocorallina fertile. Steve Price. On raised beach cliff. Isle of Luing, Scotland.   small LARGE
  • Pertusaria pustulata. Neil Sanderson. On beech. Plain Green, Busketts Wood, New Forest.   small LARGE
  • Pertusaria pustulata. Neil Sanderson. On holly. White Moor, New Forest.   small LARGE
  • Pertusaria velata Neil Sanderson. On old beech. New Forest.   small LARGE
  • Petractis

  • Petractis clausa. Steve Price. On carboniferous limestone, Milldale, Derbyshire.   small LARGE
  • Petractis clausa. M Sutcliffe. On limestone. Black Mountain, Carmarthenshire.   small LARGE   Habitat
  • Phaeographis

  • Phaeographis dendritica. Theresa Greenaway. Orielton, Pembrokeshire, Wales.   small LARGE
  • Phaeographis dendritica. M J Simms. On lakeside Ash. Black Island, Castleblayney, Co. Monaghan, Ireland.   small LARGE
  • Phaeographis smithii. Neil Sanderson. On old Hazel. Monks Wood, Melbury Park, Dorset.   small LARGE
  • Phaeophyscia

  • Phaeophyscia orbicularis. M Sutcliffe. On broadleaved tree. Cemetery, Darlington, England.   small LARGE
  • Phaeophyscia orbicularis. M Sutcliffe. On birch trunk. Shibdon Pond, Blaydon, Tyne and Wear, England.   small LARGE
  • Phlyctis

  • Phlyctis agelaea. Neil Sanderson. On ancient beech, Busketts Wood, New Forest.   small LARGE
  • Phlyctis argena. M Sutcliffe. On broadleaved tree.   small LARGE
  • Phylloblastia

  • Phylloblastia inexpectata. Mark Powell. On Rhododendron leaf. Groby, Leicestershire.   small LARGE   Cortical cells and algal cell clusters   spores
  • Physcia

  • Physcia adscendens. M Sutcliffe. On coastal shale. The Capstan, Ilfracombe, Devon.   small LARGE
  • Physcia adscendens. M Sutcliffe. On cherry trunk. Shibdon Pond, Blaydon, Tyne and Wear, England.   small LARGE
  • Physcia aipolia. M Sutcliffe. On oak twig. Ilfracombe, Devon.   small LARGE
  • Physcia caesia. M Sutcliffe. On limestone. Black Mountain, Carmarthenshire.   small LARGE
  • Physcia clementei. Ishpi Blatchley. On Ragstone headstone, Stansted church, Kent.   small LARGE
  • Physcia clementei (fertile). Ishpi Blatchley. On Ragstone headstone, Pluckley Church, Kent.   small LARGE
  • Physcia stellaris. M Sutcliffe. On sycamore. Teesdale, England.   small LARGE
  • Physcia tenella. M Sutcliffe. On rowan. Kindrogan FSC, Pitlochry, Scotland.   small LARGE
  • Physcia tenella. M Sutcliffe. On oak twig. Ilfracombe, Devon.   small
  • Physcia tenella. (fertile). M Sutcliffe. On dog rose stem. Shibdon Pond, Blaydon, Tyne and Wear, England.   small LARGE
  • Physcia tribacia. John Norton. On weathered plywood (poultry shed). Curdridge, Hampshire.   small LARGE
  • Physcia tribacioides. M Sutcliffe. On serpentine. The Lizard, Cornwall, England.   small LARGE   Habitat
  • Physconia

  • Physconia distorta. M Sutcliffe. On broadleaved tree. Glen Tilt, Scotland.   small LARGE
  • Physconia distorta. M Sutcliffe. On mature oak. Balchroich Meadow, Scotland.   small LARGE
  • Physconia enteroxantha. M Sutcliffe. On sycamore. Near Strathdon, Aberdeenshire, Scotland.   small LARGE
  • Physconia grisea. M Sutcliffe. On wall of church. Norfolk, England.   small LARGE
  • Physconia perisidiosa Neil Sanderson. On ash tree in old coppice. Fyfield Down, N Wiltshire.   small LARGE
  • Physconia perisidiosa. Debbie Allan. On Ash. Curdridge, Hampshire.   small LARGE
  • Piccolia

  • Piccolia ochrophora. Mark Powell. On elder. Chesterton, Cambridge.   small LARGE   Ascus
  • Pilophorus

  • Pilophorus strumaticus. M Sutcliffe. On granite. Dun Caan, Raasay, Scotland.   small LARGE
  • Placidium

  • Placidium squamulosum. M Sutcliffe. On limestone. Lismore Island, Scotland.   small LARGE
  • Placidium squamulosum. Charles David. On earth filling in the walls at Vale Castle, Guernsey.   small LARGE
  • Placopsis

  • Placopsis gelida. M Sutcliffe. On basalt. Dun Caan, Raasay, Scotland.   small LARGE
  • Placopsis lambii. M J Simms. on siliceous volcaniclastics, Afon Treweunydd, Snowdonia, North Wales.   small LARGE
  • Placopsis lambii. M Sutcliffe. On basalt. Brada Hill, Northumberland.   small LARGE
  • Placopsis lambii. M Sutcliffe. On basalt. Teesdale, England.   small LARGE   small LARGE
  •   habitat

    Placopyrenium

  • Placopyrenium fuscellum. M Sutcliffe. On mortar of roadside wall with Caloplaca flavescens. Score Valley, Ilfracombe, Devon.   small LARGE
  • Placynthiella

  • Placynthiella icmalea. M Sutcliffe. On dead pine leaves. The Wou, Kielder Forest, Northumberland.   small LARGE
  • Placynthiella uliginosa. M Sutcliffe. On plant debris. Inverawe Country Park, Taynuilt, Scotland.   small LARGE   Section
  • Placynthium

  • Placynthium flabellosum. M J Simms. On rock. Afon Ysgethin, North Wales.   small LARGE
  • Placynthium nigrum. M Sutcliffe. On mortar of sea wall. Ilfracombe, Devon, England.   small LARGE
  • Platismatia

  • Platismatia glauca. M Sutcliffe. Shade morph on mossy oak trunk. Lochaline, Morvern, Scotland.   small LARGE
  • Platismatia glauca (fertile). M Sutcliffe. On oak. Talladale, Loch Maree, Wester Ross.   small LARGE
  • Platismatia glauca. M Sutcliffe. Exposed morph on sandstone. Pithouse Crag, Kielder Forest, Northumberland.   small LARGE   small LARGE
  • Platismatia glauca. Theresa Greenaway. Fallen twig. Holne Chase Wood, Devon.   small LARGE
  • Platismatia norvegica. Neil Sanderson. On old birch. Eilean a' Ghiubhais, south of Loch Treig, Scotland.   small LARGE
  • Pleurosticta acetabulum

  • Pleurosticta acetabulum. John Douglass. Kindrogan Field Centre, Perth and Kinross.   small LARGE
  • Polyblastia

  • Polyblastia agraria. M Sutcliffe. On decaying mosses. Highcliffe Mine, Eyam, Derbyshire.   small LARGE   small LARGE   Ascus
  • Polysporina
    Polysporina lapponica is now re-named as Polysporina subfuscescens.

  • Polysporina simplex. M Sutcliffe. On coastal slate. Findlater Castle, Aberdeenshire, Scotland.   small LARGE
  • Polysporina subfuscescens. M Sutcliffe. Parasitic on Acarospora fuscata. Church window ledge, Leicestershire, England.   small LARGE
  • Porina

  • Porina aenea. M Sutcliffe. On oak twig. Ilfracombe, Devon.   small LARGE   Small
  • Porina borreri. Neil Sanderson. On wound track on old beech, James Hill, New Forest.   small LARGE
  • Porina hibernica. Neil Sanderson. On old oak, James Hill, New Forest.   small LARGE
  • Porina linearis. M Sutcliffe. On limestone. High Edge, Derbyshire.   small LARGE
  • Porina rosei. Ray Woods. Stanner NNR, Radnorshire, Wales.   small LARGE
  • Porina rosei. Neil Sanderson. On old Oak. James's Hill, New Forest.   small LARGE
  • Porina rosei. Neil Sanderson. On old oak, James Hill, New Forest.   small LARGE
  • Porocyphus

  • Porocyphus kenmorensis. M J Simms. On sandstone within zone of seasonal flooding, Owngar River, near Bantry, Co. Cork, Ireland.   small LARGE
  • Porpidia

  • Porpidia cinereoatra. M Sutcliffe.   small LARGE
  • Porpidia crustulata. M Sutcliffe. On granite. Summit of Ben Rinnes, Aberdeenshire.   small LARGE
  • Porpidia flavocruenta. Alan Fryday.   small LARGE
  • Porpidia islandica. Alan Fryday.   small LARGE
  • Porpidia islandica. Alan Fryday.   small LARGE
  • Porpidia melinodes. M Sutcliffe. On basalt. Dun Caan, Raasay, Scotland.   small LARGE
  • Porpidia nadvornikiana. Alan Fryday.   small LARGE
  • Porpidia pachythallina. Alan Fryday.   small LARGE
  • Porpidia pachythallina. Alan Fryday.   small LARGE
  • Porpidia platycarpoides M Sutcliffe. On sandstone. Rackwick, Isle of Hoy, Scotland.   small LARGE
  • Porpidia platycarpoides. M Sutcliffe. On coastal shale. Isle of Whithorn, Scotland.   small LARGE   small LARGE   Ascus (K/I) and section
  • Porpidia rugosa. M Sutcliffe. On gravestone. Whitfield Church, Northumberland.   small LARGE
  • Porpidia soredizodes. M Sutcliffe. Tombstone. Darlington, England.   small LARGE
  • Porpidia speirea. M Sutcliffe. Limestone pebble. Teesdale, England.   small LARGE
  • Porpidia striata. M Sutcliffe. On siliceous wall. Kindrogan Field Centre, Scotland.   small LARGE
  • Porpidia striata. Alan Fryday.   small LARGE
  • Porpidia striata. Alan Fryday.   small LARGE
  • Porpidia superba f. sorediata. Alan Fryday.   small LARGE
  • Porpidia tuberculosa (with Porpidia crustulata). M J Simms. On basalt. Glenhead, near Larne, Co. Antrim, N Ireland.   small LARGE
  • Porpidia tuberculosa (purple). M Sutcliffe. On quartzite. Liathach, Torridon, Scotland.   small LARGE   Small LARGE   Habitat
  • Porpidia tuberculosa. M Sutcliffe. On coastal slate. Findlater Castle, Aberdeenshire, Scotland.   small LARGE
  • Protoblastenia

  • Protoblastenia calva. M Sutcliffe. On Carboniferous limestone. Lathkill Dale, Derbyshire.   small LARGE
  • Protoblastenia incrustans. Ray Woods. On limestone, Lathkill Dale, Derbyshire.   small LARGE
  • Protoblastenia incrustans. M Sutcliffe. On limestone. Long Dale, Derbyshire.   small LARGE
  • Protoblastenia rupestris. M Sutcliffe. On mortar. Stocksfield, Northumberland.   small LARGE
  • Protoblastenia rupestris. M Sutcliffe. On limestone. Disused quarry, Bowlees Visitor's Centre, near Middleton-in-Teesdale, Durham, England.   small LARGE
  • Protomicarea

  • Protomicarea limosa. Neil Sanderson. In late snow patch. Wells of Dee, Mar Lodge Estate.   small LARGE
  • Protopannaria

  • Protopannaria pezizoides. M Sutcliffe.   small LARGE
  • Protopannaria pezizoides. M J Simms. Hazel woodland. Termon, The Burren, Co. Clare.   small LARGE
  • Protopannaria pezizoides. Dave Genney. Inverfarigaig, Invernesshire.   small LARGE
  • Protoparmelia

  • Protoparmelia badia. M Sutcliffe.   small LARGE
  • Protoparmelia badia. M Sutcliffe. On volcanic tuff. Bradgate park, Leicestershire.   small LARGE
  • Protoparmelia badia. M Sutcliffe. On gravestone. Whitfield Church, Northumberland.   small LARGE
  • Protoparmelia memnonia. M Sutcliffe. On gritstone. Lawrence field, near Hathersage, Derbyshire.   small LARGE   small LARGE
  • Protoparmelia ochrococca. M Sutcliffe. On pine. Loch Maree, Scotland.   small LARGE
  • Protoparmelia oleagina. Neil Sanderson. On dead branch on pine. Native pinewood, Moormore, Rothiemurchus.   small LARGE
  • Pseudevernia

  • Pseudevernia furfuracea. M Sutcliffe. On gravestone, Simonburn, Northumberland, England.   small LARGE
  • Pseudevernia furfuracea. M Sutcliffe. On fence post. Kilhope Moor, Co Durham.   small LARGE
  • Pseudocyphellaria

  • Pseudocyphellaria aurata. Peter Lambley. On coastal heath. St Martins, Isles of Scilly.   small LARGE   small LARGE   small LARGE
  • Pseudocyphellaria crocata. M J Simms. On hazel in woodland, Berneens, The Burren, Ireland.   small LARGE
  • Pseudocyphellaria crocata. M Sutcliffe. Coille an leathraich woodland, Raasay, Scotland.   small LARGE
  • Pseudocyphellaria intricata. M Sutcliffe. On mossy rocks in woodland. Lochaline, Scotland.   small LARGE
  • Pseudocyphellaria intricata. Neil Sanderson. Atlantic hazel wood. Cathair Chimain, The Burren, Ireland.   small LARGE
  • Pseudocyphellaria intricata. Neil Sanderson. On hazel in hazel-ash wood, Coille Thogabhaig, Skye.   small LARGE
  • Pseudocyphellaria lacerata. Andy Cross. On coastal rock. South Kintyre, Scotland.   small LARGE
  • Psilolechia

  • Psilolechia clavulifera. Mark Powell. On upturned rootplate of windblown tree, Cooper's Hill, Ampthill, Bedfordshire.   small LARGE
  • Psilolechia clavulifera. Mark Powell. On upturned larch rootplate. Horton Woods, Northamptonshire.   small LARGE
  • Psilolechia leprosa. B J Coppins. On wall of cave of copper mine. Tomnadashan Mine SSSI, Scotland.   small LARGE
  • Psilolechia leprosa. Don Smith.   small LARGE
  • Psilolechia leprosa. M Sutcliffe. On church wall beneath copper lantern. Leicestershire.   small LARGE   Habitat
  • Psilolechia lucida. M Sutcliffe. On gravestone, Darlington, England.   small LARGE
  • Psilolechia lucida fertile. M Sutcliffe. On gravestone. St Michael's Church, Ingram, Northumberland.   small LARGE
  • Psora

  • Psora decipiens. M Sutcliffe. On schist. Meall nan Tarmachan, Scotland.   small LARGE
  • Psora lurida is now renamed as Romjularia lurida
  • Psoroglaena

  • Psoroglaena stigonemoides. David Hill. On mossy bark.   small LARGE
  • Psoroma

  • Psoroma hypnorum. M Sutcliffe. On mossy waterside wall, Glen Quoich, Braemar, Scotland.   small LARGE
  • Punctelia

  • Punctelia borreri. M Sutcliffe. Deciduous tree. Ilfracombe, Devon.   small LARGE
  • Punctelia jeckeri (formerly ulophylla). M Sutcliffe. On oak (with H. revoluta). Ulverscroft, Leicestershire, England.   small LARGE
  • Punctelia jeckeri. M J Simms. On Sycamore. Garristown, Co. Dublin, Ireland.   small LARGE
  • Punctelia jeckeri . M Sutcliffe. On sycamore. Ingram, Northumberland.   small LARGE
  • Punctelia reddenda. M Sutcliffe. On oak. New Forest, Hampshire.   small LARGE
  • Punctelia subrudecta. M Sutcliffe. On oak. Ulverscroft, Leicestershire, England.   small LARGE
  • Punctelia subrudecta. M J Simms. On wooden bridge. Muckno Lake, Castleblayney, Co. Monaghan, Ireland.   small LARGE
  • Punctelia subrudecta. Jeff Blincow. On deciduous tree, Gayton, Northampton, England.   small LARGE
  • Pycnora

  • Pycnora sorophora. Neil Sanderson. On high cut pine stump. Native pinewood, Rothiemurchus.   small LARGE
  • Pycnora xanthococca (showing Pd+ yellow). Neil Sanderson. On standing dead pine. Allt nam Bo, Glen Feshie.   small LARGE
  • Pycnothelia

  • Pycnothelia papillaria M Sutcliffe. On upland heath. Ward hill, Isle of Hoy, Scotland.   small LARGE
  • Pycnothelia papillaria. Neil Sanderson. In open short heath. White Moor, New Forest.   small LARGE.
  • Pyrenula

  • Pyrenula acutispora. Neil Sanderson. on Hazel, Slievecarran, above St Mac Duach's Church, The Burren, Ireland.   small LARGE
  • Pyrenula chlorospila. M J Simms. On Hazel. Townley Hall Forest Park, Co. Meath, Ireland.   small LARGE
  • Pyrenula chlorospila. Neil Sanderson. On ancient beech (wound track). New Forest, Hampshire.   small LARGE
  •   Labels
  • Pyrenula chlorospila. Neil Sanderson. On fallen beech. The Ridge, Busketts Wood, New Forest.   small LARGE
  • Pyrenula hibernica. M J Simms. On dead rowan. Gortlecka, The Burren, Ireland.   small LARGE
  • Pyrenula hibernica. Neil Sanderson. On hazel. Slievecarran, The Burren, Co. Clare, Ireland.   small LARGE
  • Pyrenula hibernica. Neil Sanderson. On hazel. Dark coloured shade form with immersed perithecia. Ceunant Llennyrch, Meirionnydd, Wales.   small LARGE
  • Pyrenula laevigata. M Sutcliffe. On hazel. Ballachuan Hazelwood, Scotland.   small LARGE
  • Pyrenula laevigata. M Sutcliffe. On hazel. Rudha na Gailich, Jura, Scotland.   small LARGE
  • Pyrenula macrospora. M Sutcliffe. On sycamore in dense woodland, Ilfracombe, Devon.   small LARGE
  • Pyrenula macrospora. M Sutcliffe. On sycamore. Ballygrant, Islay.   small LARGE   Ascus and spores
  • Pyrenula nitida. John Norton. On ancient beech. Wood crates, New Forest, England.   small LARGE
  • Pyrenula occidentalis. M Sutcliffe. On ash. Lochaline, Argyll, Scotland.   small LARGE
  • Pyrenula occidentalis. M J Simms. On hazel. Coskeam, The Burren, Ireland.   small LARGE
  • Skyttea pyrenulae. M Sutcliffe. Parasitizing Pyrenula occidentalis. Raasay, Scotland.   small LARGE   small LARGE
  • Pyrrhospora

  • Pyrrhospora quernea. M Sutcliffe. On base of mature alder. Whitchester Moor, Northumberland, England.   small LARGE
  • Racodium

  • Racodium rupestre. M Sutcliffe. On rock.   small LARGE   micropic showing linear arrangement of hyphae.
  • Ramalina

  • Ramalina canariensis. M Sutcliffe. On hawthorn in coastal valley. Kynance Cove, The Lizard, Cornwall, England.   small LARGE   Habitat
  • Ramalina canariensis. M Sutcliffe. Kynance Cove.   small LARGE
  • Ramalina cuspidata. M J Simms. On hard coastal sandstone. Clogher Head, Co. Louth, Ireland.   small LARGE
  • Ramalina farinacea. M Sutcliffe. On hawthorn in coastal valley. Kynance Cove, The Lizard, Cornwall, England.   small LARGE
  • Ramalina fastigiata. M Sutcliffe. On oak twig. Ilfracombe, Devon, England.   small LARGE
  • Ramalina fastigiata. M Sutcliffe. Sycamore (Acer). Ilfracombe, Devon, England.   small LARGE
  • Ramalina fastigiata. Sarah Lovett. On hawthorn. West Somerset, England.   small LARGE
  • Ramalina fraxinea. M Sutcliffe. On rowan. Pitlochry, Scotland.   small LARGE
  • Ramalina fraxinea. M Sutcliffe. On broadleaved tree. Near Strathdon, Aberdeenshire.   small LARGE
  • Ramalina lacera. Ray Woods. On oak weatherboards of old barn, Beulah, Brecknock, Wales.   small LARGE
  • Ramalina siliquosa. M Sutcliffe. Coastal rocks. Arran, Scotland.   small LARGE
  • Ramalina subfarinacea. M J Simms. On hard coastal sandstone. Clogher Head, Co. Louth, Ireland.   small LARGE
  • Ramalina subfarinacea. M Sutcliffe. On ruined building. Raasay, Scotland.   small LARGE   small LARGE
  • Ramonia

  • Ramonia chrysophaea. Neil Sanderson. Base rich oak bark. Outwood, Langley Wood NNR, Wiltshire.   small LARGE
  • Rhizocarpon

  • Rhizocarpon cinereovirens. Alan Fryday.   small LARGE
  • Rhizocarpon eupetraeoides. M Sutcliffe. On granite (summit scree). Ben Rinnes, Aberdeenshire.   small LARGE   Spores   Habitat
  • Rhizocarpon furfurosum. B J Coppins. On vertical rock faces of old copper mine. Tomnadashan Mine SSSI, Scotland.   small LARGE
  • Rhizocarpon gemminatum. M Sutcliffe. On gritstone. Lawrence field, near Hathersage, Derbyshire.   small LARGE
  • Rhizocarpon geographicum. M Sutcliffe. On whin sill, Sewingshield crag, Northumberland, England.   small LARGE
  • Rhizocarpon lecanorinum. M Sutcliffe. On sandstone. Ward Hill, Isle of Hoy, Scotland.   small LARGE
  • Rhizocarpon oederi. M Sutcliffe. On basalt. Teesdale, England.   small LARGE
  • Rhizocarpon petraeum. Dave Genney.   small LARGE
  • Rhizocarpon reductum. M Sutcliffe. On tombstone. Darlington, England.   small LARGE
  • Rhizocarpon ridescens. B J Coppins. Creag Choinnich, Braemar, Scotland.   small LARGE
  • Rhizocarpon ridescens. Katie Grundy. Creag Choinnich, Braemar, Scotland.   small LARGE
  • Rhizocarpon ridescens. Heleen Plaisier. Creag Choinnich, Braemar, Scotland.   small LARGE   small LARGE
  • Rimularia

  • Rimularia furvella. M Sutcliffe. Volcanic tuff. Bradgate Park, Leicestershire.   small LARGE
  • Rimularia gyrizans. Steve Price. On sandstone. Callow Bank, Derbyshire.   small LARGE
  • Rimularia intercedens. M Sutcliffe. Volcanic tuff. Bradgate Park, Leicestershire.   small LARGE
  • Rinodina

  • Rinodina efflorescens. John Norton. Parasitised by Melaspilea ochrothalamia. On young oak. Wood crates, New Forest, England.   small LARGE
  • Rinodina oleae. M Sutcliffe. On old wall. Allensford, Durham, England.   small LARGE
  • Rinodina oleae. M Sutcliffe. On wall. The rose garden, Saltwell Park, gateshead, England.   small LARGE
  • Rinodina roboris. M Sutcliffe. On ancient oak. Nettlecombe Court, Williton, Somerset, England.   small LARGE   Small LARGE
  • Rinodina sophodes. M Sutcliffe. On oak twig. Ilfracombe, Devon, England.   small LARGE
  • Rinodina sophodes. M Sutcliffe. On aspen. Portsoy, Aberdeenshire, Scotland.   small LARGE
  • Roccella

  • Roccella fuciformis. M Sutcliffe. Coastal cliff. Valley of the Rocks, Lynton, Devon.   small LARGE
  • Roccella fuciformis. Peter Lambley. Tresco, Isles of Scilly.   small LARGE
  • Roccella phycopsis. M Sutcliffe. Coastal cliff. Valley of the Rocks, Lynton, Devon.   small LARGE
  • Roccella phycopsis. Theresa Greenaway. St Davids, Pembrokeshire, Wales.   small LARGE
  • Romjularia

  • Romjularia lurida. Ndurie Abah. On limestone. Cave Dale, Castleton, Derbyshire.   small LARGE
  • Roselliniella

  • Roselliniella sp. Neil Sanderson. Parasitic on Pertusaria pertusa North of Allum Green, New Forest.   small LARGE
    A strict parasite of Pertusaria pertusa, with a single perithecia taking over a fertile wart. Spores brown, 16 - 24 x 12 µm. Mainly simple (but a few spores with septa near one end) so far only collected from slow growing, old beeches in the New Forest and Melbury Park. Any collections from other areas welcomed by Neil Sanderson.
  • Sagiolechia

  • Sagiolechia protuberans. Mark Powell. On shady limestone crags. Upper Wharfedale, Yorkshire.   small LARGE   Spores
  • Sarcogyne

  • Sarcogyne privigna. M Sutcliffe. On gritstone. Lawrence field, near Hathersage, Derbyshire.   small LARGE   small LARGE
  • Sarcogyne regularis. M Sutcliffe. On mortar. Stocksfield, Northumberland.   small LARGE
  • Sarcogyne regularis. M Sutcliffe. On mortar. Near Lathkill Dale, Derbyshire.   small LARGE   Multi-spored ascus
  • Sarcosagium

  • Sarcosagium campestre var. campestre. M Sutcliffe. On mine spoil, Derbyshire.   small LARGE
  • Schaereria

  • Schaereria cinereorufa. M Sutcliffe. On granite. Ben Rinnes, Aberdeenshire, Scotland.   small LARGE   small LARGE   Ascus (K/I stain)
  • Schaereria fuscocinerea. M Sutcliffe. On shale. Trerhiwarth, Llangynog, Wales.   small LARGE   Ascus (KI) and spore
  • Schismatomma

  • Schismatomma decolorans. M Sutcliffe. On oak. Great Wood, Eggleston, Durham.   small LARGE
  • Schismatomma decolorans. M J Simms.   small LARGE
  • Schismatomma decolorans (fertile). Neil Sanderson. Fertile and sterile thalli on old beech, New Forest.   small LARGE
  • Schismatomma decolorans. N Sanderson. On ancient oak (Partly invading Enterographa crassa). Medieval deer park, Prak Hill, Abbeyleix, Co Laois, Ireland.   small LARGE
  • Schismatomma graphidioides. Stewart Taylor. On aspen. Abernethy Forest. Scotland.   small LARGE
  • Schismatomma quercicola. N Sanderson. On birch (with Graphina ruiziana) in oak-birch pasture woodland. Derrybawn, Glendalough, Co Wicklow, Ireland.   small LARGE
  • Schismatomma umbrinum. N Sanderson. On dry overhung acid rock in upland pasture woodland. Derrybawn, Glendalough, Co Wicklow, Ireland.   small LARGE   small LARGE
  • Sclerococcum

  • Sclerococcum griseisporodochium. M Sutcliffe. Showing pale mauve soredia. On Opegrapha dolomitica. Yew crags, West Allendale, Northumberland.   small LARGE
  • Sclerococcum sphaerale. Neil Sanderson. Parasitic on Pertusaria corallina. Bluestone, Mynydd Preseli, Pembrokeshire.   small LARGE
  • Sclerophora

  • Sclerophora peronella. Neil Sanderson. On wound track on birch, Kennapole Hill, Loch an Eilein, Rothiemurchus.   small LARGE   small LARGE
  • Scoliciosporum

  • Scoliciosporum chlorococcum. Mark Powell. On dead hawthorn twigs. Riseley, Bedfordshire.   small LARGE   Spores
  • Scoliciosporum curvatum. Mark Powell. On yew twig. Derwen churchyard, Denbighshire.   small   Ascus
  • Scoliciosporum pruinosum. M Sutcliffe. On SE-facing unshaded sycamore trunk. Longhirst, Northumberland.   small LARGE
  • Scoliciosporum umbrinum. M Sutcliffe. On rusty cattle grid. Teesdale, Durham, England.   small LARGE   Habitat
  • Scoliciosporum umbrinum. M Sutcliffe. On gravestone. Whitfield Church, Northumberland.   small LARGE
  • Skyttea (parasitic fungi)

  • Skyttea pyrenulae. M Sutcliffe. Parasitizing Pyrenula occidentalis. Raasay, Scotland.   small LARGE   small LARGE
  • Solenopsora

  • Solenopsora candicans. M J Simms. On soft limestone on the walls of Carisbrooke Castle, Isle of Wight.   small LARGE
  • Solenopsora candicans. M Sutcliffe. On dolomatised carboniferous limestone. Harboro rocks, Derbyshire.   small LARGE
  • Solenopsora candicans. M Sutcliffe. On limestone. Black Mountain, Carmarthenshire.   small LARGE
  • Solenopsora holophaea. M J Simms. On soft limestone on the walls of Carisbrooke Castle, Isle of Wight.   small LARGE
  • Solenopsora liparina. Peter Lambley. Kynance Cove, The Lizard, Cornwall.   small LARGE
  • Solenopsora vulturiensis. M Sutcliffe. On coastal shale. Ilfracombe, Devon.   small LARGE
  • Solenopsora vulturiensis. M J Simms. On damp coastal cliff, Waterloo, Larne, Co. Antrim, N Ireland.   small LARGE
  • Solorina

  • Solorina crocea. M Sutcliffe. On montane heath. Ben Lawers, Scotland.   small LARGE
  • Solorina crocea. Dave Genney.   small LARGE
  • Solorina saccata. M Sutcliffe. On calcareous grassland. Cronkley Fell, Teesdale, County Durham.   small LARGE
  • Solorina saccata. M Sutcliffe. On limestone cliff. Lismore Island, Scotland.   small LARGE
  • Solorina saccata. M J Simms. On limestone wall. Kilcorney, The Burren, Ireland.   small LARGE
  • Solorina saccata. M Sutcliffe. On limestone cliff. Yew crags, West Allendale, Northumberland.   small LARGE
  • Solorina saccata. M Sutcliffe. On limestone. Lathkill Dale, Derbyshire.   small LARGE   small LARGE
  • Solorina spongiosa. Kery Dalby. From near the Gaur hydroelectric station, Rannoch, Perthshire.   small LARGE
  • Sphaerophorus

  • Sphaerophorus fragilis. D Genney.   small LARGE
  • Sphaerophorus fragilis. M Sutcliffe. On siliceous rock. Rannerdale Knotts, Cumbria.   small LARGE   Small LARGE   Small LARGE
  • Sphaerophorus globosus. M Sutcliffe. Pithouse crag, Kielder Forest, Northumberland.   small LARGE
  • Sphinctrina

  • Sphinctrina tubiformis. Neil Sanderson. On Pertusaria leioplaca high up trunk of ancient beech. Busketts Wood, New Forest.   small LARGE   small LARGE
  • Squamarina

  • Squamarina cartilaginea. M Sutcliffe. On limestone cliff. Lismore Island, scotland.   small LARGE
  • Squamarina lentigera. Peter Lambley. On open calcareous grassland. Breklands, Suffolk.   small LARGE
  • Stenocybe (not lichenized)

  • Stenocybe nitida. M Sutcliffe. In moss on oak. Gleann Dubh, Morvern, Scotland.   small LARGE
  • Stereocaulon

  • Stereocaulon dactylophyllum. Maxine Putnam. Haytor. Dartmoor, Devon.   small LARGE   small LARGE
  • Stereocaulon dactylophyllum. M Sutcliffe. On basalt (whin sill). Brada Hill, Northumberland.   small LARGE
  • Stereocaulon glareosum. Ray Woods. With pale cephalodia. On the lead-rich tips of the Nantymwyn mine, Rhandirmwyn, Carmarthenshire, Wales.   small LARGE
  • Stereocaulon leucophaeopsis. M Sutcliffe. On old wall. Raasay, Scotland.   small LARGE
  • Stereocaulon nanodes. M J Simms. On weathered tarmac. Waterloo, Larne, Co. Antrim, N Ireland.   small LARGE
  • Stereocaulon pileatum. M Sutcliffe. On basalt (whin sill). Brada Hill, Northumberland.   small LARGE
  • Stereocaulon vesuvianum. D Genney.   small LARGE
  • Stereocaulon vesuvianum fertile. M Sutcliffe. On sandstone. Cronkley Fell, Teesdale, England.   small LARGE
  • Sticta

  • Sticta canariensis (cyanobacterial morph). M Sutcliffe. On siliceous rock outcrop in woodland. Lochaline, Morvern, Scotland.   small LARGE
  • Sticta canariensis (cyanobacterial and green algal morphs). M Sutcliffe. On very shaded conglomerate outcrop under woodland. Dunstaffnage Castle. Dunbeg, Scotland.   small LARGE
  • Sticta canariensis (cyanobacterial and green algal morphs). M J Simms. On damp basalt cliff, South Woodburn Glen, Carrickfergus, Co. Antrim.   small
  • Sticta fuliginosa. M Sutcliffe. On oak. Lochaline, Morvern, Scotland.   small LARGE
  • Sticta fuliginosa. Neil Sanderson. On wound track on birch, Falls of Falloch, Glen Falloch, West Perthsire.   small LARGE
  • Sticta limbata. M Sutcliffe. On mossy coastal rocks, Imachar point, Isle of Arran, Scotland.   small
  • LARGE
  • Sticta limbata. M Sutcliffe. On magnolia. Brodick Castle, Isle of Arran, Scotland.   LARGE
  • Sticta sylvatica. M Sutcliffe. On sycamore, Brodick Castle, Isle of Arran, Scotland.   small LARGE
  • Strangospora

  • Strangospora moriformis. M Sutcliffe. On decorticated Scot's pine. Glen Quoich, Braemar, Scotland.   small
  • Strigula

  • Strigula tagananae. Neil Sanderson. On old hazel. Termon, The Burren, Ireland.   small LARGE
  • Strigula taylorii. Neil Sanderson. On beech in wound track. Shave Wood, New Forest.   small LARGE
  • Synalissa

  • Synalissa ramulosa. Neil Sanderson. On Psora lurida limestone slab, old quarries, Portland Bill, England.   small LARGE
  • Teloschistes

  • Teloschistes chrysophthalmus. Jeremy Gray. On dead, fallen apple tree. Herefordshire, England.   small LARGE   small LARGE
  • Teloschistes chrysophthalmus. Paul Whelan. On hawthorn. Co Cork, Ireland.   small LARGE
  • Teloschistes flavicans. M Sutcliffe. On serpentine. The Lizard, Cornwall, England.   small LARGE   Habitat
  • Teloschistes flavicans. Mike Smith. Bardsey Island, Wales.   small LARGE
  • Teloschistes flavicans. Peter Lambley. On coastal heath. Castle Down, Tresco, Isles of Scilly.   small LARGE
  • Tephromela

  • Tephromela atra. M Sutcliffe. On siliceous wall, Simonburn, Northumberland, England.   small LARGE   MATURE
  • Tephromela atra. Dave Genney. Coastal boulder. W Scotland.   small LARGE
  • Tephromela atra var torulosa. M Sutcliffe. On sycamore. Raasay, Scotland.   small LARGE
  • Thamnolia

  • Thamnolia vermicularis var. subuliformis. M Sutcliffe. On montane heath. Ben Lawers, Scotland.   small LARGE
  • Thamnolia vermicularis var. subuliformis. D Genney.   small LARGE
  • Thelidium

  • Thelidium decipiens. M Sutcliffe. On limestone. High Edge, Derbyshire.   small LARGE
  • Thelidium papulare. Steve Price. On carboniferous limestone. Peter Dale, Derbyshire.   small LARGE
  • Thelidium papulare. M Sutcliffe. On limestone, Wolfscote Dale, Derbyshire.   small LARGE
  • Thelocarpon

  • Thelocarpon coccosporum. M Sutcliffe. On sandstone headstone. Whitfield Churchyard. Northumberland.   small LARGE
  • Thelocarpon olivaceum. B J Coppins. On basalt stones in cutting, N-facing slope.   small LARGE
  • Thelopsis

  • Thelopsis rubella. John Norton. On beech. Wood crates, New Forest, England.   small LARGE
  • Thelotrema

  • Thelotrema lepadinum. M Sutcliffe.   small LARGE
  • Thelotrema lepadinum. M Sutcliffe. On oak. Baldersdale Wood SSSI, Co Durham.   small LARGE
  • Thelotrema petractoides. M Sutcliffe. On hazel. Ballachuan Hazelwood, Scotland.   small LARGE
  • Thrombium

  • Thrombium epigaeum. M Sutcliffe. On soil. Along path to Penrhyn Castle, North Wales.   small LARGE   Ascus and spore   Habitat
  • Toninia

  • Toninia aromatica. M Sutcliffe. On flushed, coastal basalt. East Lothian, Scotland.   small LARGE
  • Toninia aromatica. M Sutcliffe. On side of church. Isle of Hoy, Scotland.   small LARGE
  • Toninia episema. David Hill. On Aspicilia calcarea.   small LARGE
  • Toninia sedifolia. M Sutcliffe. On flushed basalt sea cliff. East Lothian, Scotland.   small LARGE
  • Toninia sedifolia. M Sutcliffe. On limestone, Wolfscote Dale, Derbyshire.   small LARGE
  • Toninia verrucarioides. M Sutcliffe. On Placynthium nigrum. Lathkill Dale, Derbyshire.   small LARGE

    Trapelia

  • Trapelia coarctata. M Sutcliffe. On sandstone pebble, forest track. Kielder Forest, Northumberland.   small LARGE
  • Trapelia corticola. M Sutcliffe. On oak. Great Wood, Egglestone, Durham, England.   small LARGE
  • Trapelia corticola. M Sutcliffe. On pine. Loch Maree, Scotland.   small LARGE
  • Trapelia glebulosa (previously involuta). M Sutcliffe. In sheltered niche on sea stack. Imachar point, Isle of Arran, Scotland.   small LARGE
  • Trapelia glebulosa. M J Simms.   small LARGE
  • Trapelia glebulosa. M Sutcliffe. On basalt. Brada Hill, Northumberland.   small LARGE

  • Trapelia obtegens. M Sutcliffe. On basalt. Brada Hill, Northumberland.   small LARGE

  • Trapelia placodioides. M Sutcliffe. On sandstone. Teesdale, Durham.   small LARGE
  • Trapelia placodioides. M Sutcliffe. On basalt. Brada Hill, Northumberland.   small LARGE
  • Trapeliopsis

  • Trapeliopsis flexuosa. M Sutcliffe. On oak lignum. Rudha na Gailich, Jura, Scotland.   small LARGE
  • Trapeliopsis flexuosa. M J Simms. On wooden post. Glenhead, near Larne, Co. Antrim, N Ireland.   small LARGE
  • Trapeliopsis granulosa. M Sutcliffe. On rotten wood. Kielder Forest, Northumberland, England.   small LARGE
  • Trapeliopsis granulosa. M Sutcliffe. On root plate of wind-blown pine. Kielder Forest, Northumberland, England.   small LARGE
  • Trapeliopsis granulosa. M Sutcliffe. On oak lignum. Old deer park, Chatsworth, Derbyshire.   small LARGE
  • Trapeliopsis pseudogranulosa. M Sutcliffe. On Alder. Whitchester Moor, Northumberland, England.   small LARGE
  • Trapeliopsis pseudogranulosa. Dave Genney. Scotland.   small LARGE
  • Tremolecia

  • Tremolecia atrata. M Sutcliffe. On granite boulder, Mar Lodge Estate, Braemar, Scotland.   small LARGE
  • Tuckermannopsis

  • Tuckermannopsis chlorophylla. M Sutcliffe. On broadleaved tree. Ilfracombe, Devon, England.   small LARGE
  • Tuckermannopsis chlorophylla. Dave Genney. Scotland.   small LARGE   Small LARGE
  • Tylophoron

  • Tylophoron hibernicum. Neil Sanderson. Overgrowing Lecanactis abietina on dry side of old oak, ravine edge in parkland, Glenarm Great Deer Park, Antrim, Northern Ireland.   small LARGE
  • Tylophoron hibernicum. Alan Hale. Cwlm Cletwr in North Ceredigion, Wales.   small LARGE
  • Umbilicaria

  • Umbilicaria crustulosa. David Clarke. Langdale, Cumbria.   small LARGE
  • Umbilicaria cylindrica. M Sutcliffe. On sandstone, Upper Teesdale, Durham, England.   small LARGE   Apothecia
  • Umbilicaria cylindrica. Dave Genney. Scotland.   small LARGE
  • Umbilicaria deusta. M Sutcliffe. On granite. Ulverscroft, Leicestershire, England.   small LARGE
  • Umbilicaria deusta. Steve Price. With Parmotrema perlatum. Burbage Brook, Sheffield.   small LARGE
  • Umbilicaria polyphylla. M Sutcliffe. On granite. Ulverscroft, Leicestershire, England.   small LARGE
  • Umbilicaria polyrrhiza. M Sutcliffe. On sandstone, Muckle Moss, Northumberland, England.   small LARGE
  • Umbilicaria polyrrhiza. M Sutcliffe. On granite boulder. Badachro, Gairloch, Scotland.   small LARGE
  • Umbilicaria torrefacta. M Sutcliffe. On granite boulder. Badachro, Gairloch, Scotland.   small LARGE   lower surface   Habitat
  • Usnea

  • Usnea articulata. M J Simms. On conifer, Minterne Magna Gardens, Dorset, England.   small LARGE
  • Usnea articulata. Robin Crump. Wales.   small LARGE   small LARGE
  • Usnea articulata. Steve Price. Holkham Dunes, Norfolk.   small LARGE
  • Usnea ceratina. Robin Crump. Wales.   small     small   LARGE
  • Usnea ceratina. Neil Sanderson. On oak. Mark Ash wood, New Forest.   small LARGE
  •   Habitat
  • Usnea ceratina fertile. Maxine Putnam. On a large. Twitchen, North Molton, Devon.   small LARGE
  • Usnea cornuta. Robin Crump. Wales.   small LARGE   small LARGE
  • Usnea filipendula. M Sutcliffe. On beech. Pentland Hills, Scotland.   small LARGE
  • Usnea florida. Robin Crump. Wales.   small LARGE   small LARGE
  • Usnea florida. M Sutcliffe. On apple. Glynhir Mansion, Llandybie, Carmarthenshire.   small LARGE
  • Usnea glabrescens. Neil Sanderson. On oak. Derrybawn, Glendalough, Wicklow, Ireland.   small LARGE   small LARGE
  • Usnea hirta. M Sutcliffe. On beech. Pentland Hills, Scotland.   small LARGE   small LARGE
  • Usnea rubicunda. M J Simms. On hawthorn. Berneens, The Burren, Ireland.   small LARGE
  • Usnea subfloridana (fertile). M Sutcliffe. Scotland.   small LARGE
  • Usnea subfloridana. M Sutcliffe. On birch. Raasay, Scotland.   small LARGE
  • Biatoropsis usnearum. M Sutcliffe. Parasitizing Usnea subfloridana. Raasay, Scotland.   small LARGE
  • Kalchbrenneriella cyanescens. M Sutcliffe. Parasitic on Usnea flammea. Rudha na Gailich, Jura, Scotland.   small LARGE
  • Vahliella

  • Vahliella atlantica. M Sutcliffe. On sea cliff. Rackwick, Isle of Hoy, Scotland.   small LARGE
  • Verrucaria

  • Verrucaria amphibia. M Sutcliffe. On basalt, littoral zone. East Lothian, Scotland.   small LARGE
  • Verrucaria baldensis. M Sutcliffe. On limestone wall. Finlaggan, Islay, Scotland.   small LARGE
  • Verrucaria caerulea. M Sutcliffe. On limestone. High Edge, Derbyshire.   small LARGE
  • Verrucaria calciseda is now Bagliettoa calciseda
  • Verrucaria fuscella is now re-named as Placopyrenium fuscellum
  • Verrucaria latericola. Steve Price. On limestone outcrop. Sandpoint, Somerset.   small LARGE
  • Verrucaria maura. M Sutcliffe. On tidal rocks. Am Scriodan, Isle of Arran, Scotland.   small LARGE
  • Verrucaria mucosa. M Sutcliffe. On wave-polished serpentine below barnacle zone. Kynance cove, The Lizard, Cornwall.   small LARGE   Habitat
  • Verrucaria mucosa. M Sutcliffe.   small LARGE   small
  • Verrucaria mucosa. M Sutcliffe. On sandstone. Redpoint beach, near Gairloch, Scotland.   Habitat
  • Verrucaria nigrescens. M Sutcliffe. On siliceous tombstone. Darlington, England.   small LARGE
  • Verrucaria pinguicula. M Sutcliffe. On limestone boulder. Yew crags, West Allendale, Northumberland.   small LARGE
  • Vezdaea

  • Vezdaea aestivalis. M Sutcliffe. Derbyshire.   small LARGE
  • Vezdaea aestivalis (older specimen). M Sutcliffe. Overgrowing mosses on limestone wall. Malham moss tarn, West Yorkshire.   small LARGE
  • Vezdaea cobria. National Museum of Wales.   Medium
  • Vezdaea rheocarpa. National Museum of Wales.   Medium
  • Violella

  • Violella fucata. M Sutcliffe. On birch. Ardnahoe Loch, Islay, Scotland.   small LARGE
  • Vulpicida

  • Vulpicida pinastri. M Sutcliffe. On pine stump. Kindrogan Field Centre, Scotland.   small LARGE
  • Xanthoparmelia

  • Xanthoparmelia conspersa. M Sutcliffe. Thirlmere, Cumbria, England.   small LARGE
  • Xanthoparmelia conspersa. M Sutcliffe. On coastal boulders. Drumadoon point, Arran, Scotland.   small LARGE
  • Xanthoparmelia conspersa. M Sutcliffe. On sandstone, High Rigg, Keswick, Cumbria.   small LARGE
  • Xanthoparmelia loxodes. Ray Woods. Cwm Berwyn, Radnorshire, Wales.   small
  • Xanthoparmelia loxodes. M Sutcliffe. On basalt. Brada Hill, Northumberland.   small LARGE   small LARGE
  • Xanthoparmelia mougeotii. M J Simms. On granite, Knockiveagh, Co. Down, N Ireland.   small LARGE
  • Xanthoparmelia mougeotii. M Sutcliffe. On granite. Raasay, Scotland.   small LARGE
  • Xanthoparmelia mougeotii. M Sutcliffe. On pine garden seat. Brackenrigg, Keswick, Cumbria.   small LARGE
  • Xanthoparmelia mougeotii. F G Jones. Gwaith copper mine. Nant Ffrancon, Wales.   small LARGE
  • Xanthoparmelia verruculifera. M Sutcliffe. On basalt. Brada Hill, Northumberland.   small LARGE
  • Xanthoria

  • Xanthoria aureola. M Sutcliffe. On coastal rock. Rudha na Gailich, Jura, Scotland.   small LARGE
  • Xanthoria aureola. M Sutcliffe. On coastal rocks. Lismore Island, scotland.   small LARGE
  • Xanthoria calcicola. Jeff Blincow. On gravestone, Brafield, Northampton, England.   small LARGE
  • Xanthoria calcicola. M Sutcliffe. On coastal wall. Findlater Castle, Aberdeenshire, Scotland.   small LARGE
  • Xanthoria candelaria. M Sutcliffe. On top of tombstone. Kilmory, Arran, Scotland.   small LARGE
  • Xanthoria candelaria. M Sutcliffe. On gravestone. Whitfield Church, Northumberland.   small LARGE
  • Xanthoria elegans. M Sutcliffe. On siliceous wall. Kindrogan Field Centre, Scotland.   small LARGE
  • Xanthoria elegans. M J Simms. On concrete wall, foot of Slieve Croob, Co. Down, Northern Ireland.   small LARGE
  • Xanthoria elegans. M Sutcliffe. On a wall. Findlater Castle, Aberdeenshire, Scotland.   small LARGE
  • Xanthoria parietina. M Sutcliffe. On painted railing. Saltwell Road, Gateshead, England.   small LARGE
  • Xanthoria parietina . M Sutcliffe. On serpentine. Near Kynance cove, Cornwall, England.   small LARGE   Small LARGE
  • Xanthoria parietina. M Sutcliffe. On a wall. Findlater Castle, Aberdeenshire, Scotland.   small LARGE
  • Xanthoria parietina. M Sutcliffe. Shade form on sycamore. Teesdale, England.   small LARGE
  • Xanthoria polycarpa. M Sutcliffe. On top of tombstone. Kilmory, Arran, Scotland.   small LARGE
  • Xanthoria polycarpa. M Sutcliffe. On broadleaved twig (With X. parietina lobe upper right). Saltwell Park, Gateshead, England.   small LARGE   Small LARGE
  • Xanthoria ucrainica. M Sutcliffe. On volcanic tuff. Bradgate park, leicestershire.   small LARGE
  • Xanthoria ulophyllodes. John Douglass. Near Carham, Northumberland.   small LARGE
  • Xanthoria ulophyllodes. John Douglass. Kindrogan Field Centre, Perth and Kinross.   small LARGE
  • Xerotrema

  • Xerotrema megalospora. Neil Sanderson. On standing dead pine. Native pinewood, Allt nam Bo, Glen Feshie.   small LARGE
  • Xerotrema quercicola (with Imshaugia aleurites). Neil Sanderson. On vertical lignum on fallen dead oak. Denny Wood, New Forest.   small Large
  • Xerotrema quercicola. N Sanderson. On fallen oak. Powerscourt Deer Park, Wicklow, Ireland.   small LARGE
  • Xylographa

  • Xylographa parallela. M Sutcliffe. On decorticated pine. Braemar, Scotland.   small LARGE
  • Xylographa vitiligo. M Sutcliffe. On decorticated pine. Braemar, Scotland.   small LARGE   Small LARGE