Species gallery

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Species names follow The Lichens of Great Britain and Ireland (2009) and changes to November 2023.
Number of species illustrated = 788 species in 237 genera (776 lichens and 12 parasites).

Top A B C D E F GH IJK L M N O Pa Pla R S T UVW XZ

Abrothallus (parasitic fungi)

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

Acolium

Acolium inquinans. M Sutcliffe. On pine. Glen Quoich, Braemar, Scotland. 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". (Acarospora nitrophila is not yet confirmed from Britain, this may be Myriospora rufescens). Mark Powell, comment Brian Coppins. On sandstone paving slabs. Wimpole Hall Estate (NT), Cambridgeshire. small LARGE small LARGE Habitat
Acarospora privigna. M Sutcliffe. On coastal slate. Findlater Castle, Aberdeenshire, Scotland. small LARGE
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

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

Allographa

Allographa pauciloculata (clusters of small lirellae). Neil Sanderson. On Allographa ruiziana on hazel. Draynes Wood, Cornwall. small LARGE
Allographa ruiziana. Neil Sanderson. With small clusters of Allographa pauciloculata on hazel. Draynes Wood, Cornwall. small LARGE

Alyxoria

Alyxoria culmigena. Mark Powell. On elder. Galsey Wood, Bedfordshire. small LARGE Spore and ascus
Alyxoria ochrocheila. M Sutcliffe. On oak. Ardtornish, Lochaline, Scotland. small LARGE
Alyxoria subelevata. M Sutcliffe. On coastal shale containing limestone strata. Watermouth, Devon, England. small LARGE small LARGE small LARGE Habitat
Alyxoria varia. M Sutcliffe. On sycamore. Roddam Dene, near Wooler, Northumberland, England. small LARGE
Alyxoria viridipruinosa. Neil Sanderson. on Japanese quince in garden, Fair Oak, Hampshire. small LARGE
Alyxoria xerica. M Sutcliffe. Raasay, Scotland. small LARGE 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. Steve Price. On limestone wall. Perry Dale, Derbyshire. small LARGE
Anaptychia mamillata. M Sutcliffe. On Coastal whin sill. Lindisfarne, Northumberland. small LARGE
Anaptychia 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

Aquacidia

Aquacidia viridifarinosa. Simon Davey. Parham Park, West Sussex. small LARGE

Arctoparmelia

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

Arthonia

Arthonia anombrophila is now Reichlingia anombrophila
Arthonia arthonioides. M Sutcliffe. On pine. Loch Maree, Wester Ross, Scotland. small LARGE
Arthonia astroidestera is now Synarthonia astroidestera
Arthonia atra. M Sutcliffe. On ash. Near Ballygrant, Islay, Scotland. small LARGE small LARGE Ascus & spores
Arthonia calcarea. M Sutcliffe. On coastal shale. Ilfracombe, Devon. small LARGE
Arthonia calcarea. M Sutcliffe. On side of church. Isle of Hoy, Scotland. small LARGE
Arthonia cinnabarina is now Coniocarpon cinnabarinum
Arthonia elegans is now Coniocarpon fallax or Coniocarpon cuspidans
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 rowan in oceanic ravine. Ceunant Llennyrch, Meirionnydd. small LARGE (bottom)
Arthonia leucopellaea is now Felipes leucopellaeus
Arthonia pruinata is now Pachnolepia pruinata
Arthonia radiata. M Sutcliffe. On oak twig. Ilfracombe, Devon. small LARGE Small LARGE
Arthonia spadicea is now Diarthonis spadicea
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 is now Reichlingia zwackhii

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 rowan in oceanic ravine. Ceunant Llennyrch, Meirionnydd. 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 is now Bacidina arnoldiana.
Bacidia assulata. Andy Cross. Wound track on ancient Beech, The Knowles, New Forest. small LARGE
Bacidia bagliettoana is now Toniniopsis bagliettoana
Bacidia delicata is now Bacidina delicata
Bacidia egenula is now Bacidina egenula
Bacidia incompta is now Bellicidia incompta
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 is now Bacidina saxenii
Bacidia scopulicola. Simon Davey. St Brelade's Churchyard, Jersey. small LARGE
Bacidia squamellosa is now Bacidina celtica
Bacidia sulphurella is now Bacidina modesta
Bacidia viridifarinosa is now Aquacidia viridifarinosa

Bacidina

Bacidina arnoldiana. S Davey. Downton Gorge, Shropshire, England. small LARGE
Bacidina celtica M Sutcliffe. On oak. Lochaline, Morvern, Scotland. small LARGE
Bacidina celtica. Simon Davey. Herbarium specimen. small LARGE
Bacidina delicata. Simon Davey. South Crofty Mine, Cambourne, Cornwall. small LARGE
Bacidina egenula. Mark Powell. On ironstone fragments in drain. Thorpe Malsor churchyard, Kettering, Northamptonshire. small LARGE Section in K Section in water
Bacidina modesta. Mark Powell. small LARGE Conidia
Bacidina saxenii. Mark Powell. On softwood peg. Rushmere Estate, Buckinghamshire. small small (with algae) Section in K Section in water

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
Bagliettoa parmigera s. lat.. M Sutcliffe. On limestone wall. Finlaggan, Islay, Scotland. small LARGE

Bellicidia

Bellicidia incompta. Simon Davey. On ancient ash. Hatfield Park, Hertfordshire. small LARGE
Bellicidia incompta. Dave Genney. Inverfarigaig, Invernesshire. 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.

Blennothallia

Blennothallia crispa. M Sutcliffe. On limestone of disused quarry. Bowlees Visitor's Centre, near Middleton-in-Teesdale, Durham, England. small LARGE Small LARGE Small LARGE

Botryolepraria

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

Bryobilimbia

Bryobilimbia hypnorum. M Sutcliffe. On moss on limestone boulder. Yew crags, West Allendale, Northumberland. 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 is now Lecanographa amylacea morph violaceofusca

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 maderense. 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 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 tigillare. M Sutcliffe. On low, decorticated pine branch. Glen Quoich, Braemar, Scotland. small LARGE small LARGE Habitat
Calicium viride. M Sutcliffe. On oak. Derwent Gorge NNR, Durham. small LARGE
Calicium viride. M Sutcliffe. On dry underhang of sandstone headstone. Whitfield Churchyard. Northumberland. small LARGE small LARGE Habitat

Caloplaca

Caloplaca arnoldii subsp. oblitterata. 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 s. lat. (Blastenia lauri). M J Simms. On hawthorn. Milltown, Co. Galway, Ireland. small LARGE
Caloplaca ferruginea s. lat. (Blastenia lauri). 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 is now Caloplaca marmorata.
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 marmorata. M Sutcliffe. On limestone scree. Lathkill Dale, Derbyshire. small LARGE
Caloplaca marmorata. Ishpi Blatchley. On top of limestone chest tomb. Wye churchyard, Kent. 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 Hydropunctaria 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 is now Candelariella xanthostigmoides.
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
Candelariella xanthostigmoides. Mark Powell. On dead hawthorn. Riseley, Bedfordshire. small LARGE
Candelariella xanthostigmoides. M Sutcliffe. On gorse stem. Trerhiwarth, Llangynog, Montgomeryshire. 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 is now Hypogymnia hultenii.

Cetraria

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. Neil Sanderson. In old gravel pit in heathland, Headon Warren, Isle of Wight. LARGE
Cetraria muricata. Neil Sanderson. Parched acid grassland, coastal shingle, Gravelly Marsh, Beaulieu, Hampshire. 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 cetrarioides. Jenny Seawright. On Alder. Glengarrif woods, County Cork, Eire. small LARGE small LARGE
Cetrelia olivetorum s.lat. M Sutcliffe. On mossy oak trunk. Lochaline, Morvern, Scotland. 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

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 caespiticia. M Sutcliffe, Det. Neil Sanderson. On oak. Lochaline, Morvern, 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 digitata. Neil Sanderson. On lignum on fallen pine. Cadha Beag, Rothiemurchus. 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. 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 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 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 polydactyla. M Sutcliffe, Det. Neil Sanderson. On hazel. Ardnahoe Loch, near Port Askaig, Islay. small LARGE
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 Pseudoleptogium 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

Coenogonium

Coenogonium confusum. Neil Sanderson. On old Oak. James's Hill, New Forest. small LARGE
Coenogonium confusum. Neil Sanderson. On old oak, James Hill, New Forest. small LARGE (top right, with Porina hibernica below).
Coenogonium luteum. M Sutcliffe. On shaded oak trunk. Lochaline, Morvern, Scotland. small LARGE
Coenogonium luteum. M Sutcliffe. On oak. Ward hill, Isle of Hoy, Scotland. small LARGE
Coenogonium pineti. Mark Powell. On shaded hazel bark at Bowd Lane Copse, Northamptonshire. small LARGE Spores
Coenogonium pineti. M Sutcliffe. On branch of mature elm. East coast of Raasay, Scotland. small LARGE Habitat

Collema

Comparison with Leptogium

Collema auriforme is now Lathagrium auriforme.
Collema crispum is now Blennothallia crispa.
Collema cristatum is now Lathagrium cristatum.
Collema fasciculare is now Gabura fascicularis.
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 leptogiophila. M Sutcliffe. On sycamore, Raasay, Scotland. small LARGE
Collema fragile is now Scytinium fragile.
Collema fragrans is now Scytinium fragrans.
Collema furfuraceum. M Sutcliffe. On sycamore. Gairloch, Wester Ross, Scotland. small LARGE
Collema furfuraceum. Dave Genney. Scotland. small LARGE
Collema fuscovirens is now Lathagrium fuscovirens.
Collema multipartitum is now Callome multipartita.
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 is now Enchylium tenax.

Collemopsidium

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

Callome

Callome multipartita. M Sutcliffe. On limestone. The Burren, Co Clare, Ireland. small LARGE small LARGE

Coniocarpon

Coniocarpon cinnabarinum. M Sutcliffe. On hazel. Raasay, Scotland. small LARGE
Coniocarpon cuspidans. M Sutcliffe. On hazel. Rudha na Gailich, Jura, Scotland. small LARGE

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

Crutarndina

Crutarndina petractoides. M Sutcliffe. On hazel. Ballachuan Hazelwood, Scotland. small LARGE

Cyphelium

Cyphelium inquinans is now Acolium inquinans.
Cyphelium tigillare is now Calicium tigillare.

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 is now Pectenia atlantica.
Degelia cyanoloma is now Pectenia cyanoloma.
Degelia ligulata is now Pectenia ligulata.
Degelia plumbea is now Pectenia plumbea s. str..

Dendrographa

Dendrographa decolorans. M Sutcliffe. On oak. Great Wood, Eggleston, Durham. small LARGE
Dendrographa decolorans. M J Simms. small LARGE
Dendrographa decolorans (fertile). Neil Sanderson. Fertile and sterile thalli on old beech, New Forest. small LARGE
Dendrographa decolorans. N Sanderson. On ancient oak (Partly invading Enterographa crassa). Medieval deer park, Prak Hill, Abbeyleix, Co Laois, Ireland. 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

Diarthonis

Diarthonis spadicea. S Davey. Durfold Gill, West Sussex, England. small LARGE

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 is now Coenogonium luteum.
Dimerella pineti is now Coenogonium pineti.

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

Enchylium

Enchylium tenax. M Sutcliffe. On shaded wall. Glasserton churchyard near Whithorn, Dumfries and Galloway, Scotland. 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 is now Syncesia myrticola morph sorediata.

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

Felipes

Felipes leucopellaeus. M Sutcliffe. On oak. Talladale, Wester Ross, Scotland. 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 is now Nevesia sampaiana.

Gabura

Gabura fascicularis. M Sutcliffe. On oak by river. Talladale, Wester Ross, Scotland. small LARGE

Glaucomaria

Glaucomaria carpinea. M Sutcliffe. On maple. Portsoy, Aberdeenshire, Scotland. small LARGE
Glaucomaria carpinea. M Sutcliffe. On hawthorn. Lathkill Dale, Derbyshire. small LARGE
Glaucomaria rupicola var. rupicola. M Sutcliffe. Vertical tombstone. Kilmory, Arran, Scotland. small LARGE LARGE
Glaucomaria rupicola var. rupicola. M Sutcliffe. Sandstone wall. Middleton-in-teesdale, England. small LARGE
Glaucomaria rupicola var. rupicola. M Sutcliffe. Sandstone wall. Middleton-in-teesdale, England. small LARGE
Glaucomaria rupicola var. rupicola. M Sutcliffe. Sandstone wall. Middleton-in-teesdale, England. small LARGE
Glaucomaria swartzii. N Hodgetts small LARGE

Gomphillus

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

Graphina

Graphina anguina is now Graphis inustuloides.
Graphina pauciloculata is now Allographa pauciloculata.
Graphina ruiziana is now Allographa ruiziana.

Graphis

Graphis elegans. M Sutcliffe. On beech. Hesleyside Park, Northumberland. small LARGE small LARGE
Graphis inustuloides. M J Simms. On lakeside Ash. Black Island, Castleblayney, Co. Monaghan, Ireland. small LARGE
Graphis inustuloides. M Sutcliffe. On sycamore. Near Ballygrant, Islay, Scotland. small LARGE small LARGE
Graphis scripta s. lat. 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

Gyalideopsis

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

Gyrographa

Gyrographa gyrocarpa. M Sutcliffe. On underhang of shaded coastal schist. Imachar point, Arran, Scotland. small LARGE
Gyrographa gyrocarpa. Steve Price. On gritstone wall. Combes, Derbyshire. 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.
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

Hydropunctaria

Hydropunctaria amphibia. M Sutcliffe. On basalt, littoral zone. East Lothian, Scotland. small LARGE
Hydropunctaria maura. M Sutcliffe. On tidal rocks. Am Scriodan, Isle of Arran, 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 is now Xylopsora friesii.
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 hultenii. Neil Sanderson. On ancient Salix Caprea ssp sphacelata. Creag Meagaidh. Scotland. small LARGE
Hypogymnia hultenii. M Sutcliffe. On birch. Raasay, Scotland. small LARGE small LARGE Habitat
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 afrorevoluta. M J Simms, Det. Neil Sanderson. On ash by Clare River, Milltown, Co. Galway, Ireland. small LARGE
Hypotrachyna horrescens. M Sutcliffe. On birch. Coed Crafnant, Llanbedr, Meirionydd, Wales. small LARGE small LARGE
Hypotrachyna horrescens. Neil Sanderson. On beech, Shave Wood, New Forest. 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 minarum. Neil Sanderson. On oak branch in pasture woodland, New Forest. 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

Inoderma

Inoderma subabietinum. M Sutcliffe. On veteran oak. Dinefwr deer park, Carmarthenshire. 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

Kiliasia

Kiliasia episema. David Hill. On Aspicilia calcarea. small LARGE

Lambiella

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

Lathagrium

Lathagrium auriforme. M Sutcliffe. On limestone of disused quarry. Bowlees Visitor's Centre, near Middleton-in-Teesdale, Durham, England. small LARGE Small LARGE
Lathagrium auriforme. M Sutcliffe. On limestone. Wolfscote Dale, Derbyshire. small LARGE
Lathagrium auriforme. M Sutcliffe. Raasay, Scotland. small LARGE
Lathagrium cristatum. M Sutcliffe. On limestone. Wolfscote Dale, Hartington, Derbyshire. small LARGE Small LARGE
Lathagrium cristatum var. marginale. M Sutcliffe. On limestone boulder. Lathkill Dale, Derbyshire. small LARGE
Lathagrium fuscovirens. M Sutcliffe. On limestone. Llanymynech Hill, Pant, Wales. small LARGE small LARGE small LARGE Habitat
Lathagrium fuscovirens (wet). M Sutcliffe. On top of limestone boulder. Yew crags, West Allendale, Northumberland. 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 is now Inoderma subabietinum.

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 amylacea morph violaceofusca. M Sutcliffe. On oak bark crevice. Great Wood, Durham, England. small LARGE
Lecanographa amylacea morph violaceofusca. D Genney. On oak. Cawdor Wood, Scotland. small LARGE
Lecanographa atlantica. Neil Sanderson. On chert overhang in limestone. Penn's Weare, Isle of Portland. small LARGE
Lecanographa dialeuca is now Lecanographa atlantica.
Lecanographa grumulosa is now Paralecanographa grumulosa.
Lecanographa lyncea. Neil Sanderson. On ivy stem on sandstone cliff in oceanic woodland, Correl Glen, Co. Fermanagh. small LARGE

Lecanora

Lecanora agardhiana is now Myriolecis agardhiana.
Lecanora albella. Mark Powell. Showing PD+. On Oak branch near Salisbury. small LARGE
Lecanora albescens is now Myriolecis albescens.
Lecanora antiqua is now Myriolecis antiqua.
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 is now Glaucomaria carpinea.
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 Myriolecis antiqua.
Lecanora confusa. M Sutcliffe. On old wooden gate. Rackwick, Isle of Hoy, Scotland. small LARGE
Lecanora confusa Andy Cross, Det. Neil Sanderson. On sunny trunk of old beech, New Forest. small LARGE
Lecanora conizaeoides. M Sutcliffe. On pine. Ingram, Northumberland. small LARGE
Lecanora crenulata is now Myriolecis crenulata.
Lecanora dispersa is now Myriolecis dispersa.
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 is now Myriolecis fugiens.
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 is now Protoparmeliopsis muralis.
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 is now Myriolecis persimilis.
Lecanora phaeostigma. M Sutcliffe. On oak lignum. Old deer park, Chatsworth Estate, Derbyshire. small LARGE Habitat
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 is now Glaucomaria rupicola var. rupicola.
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. 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 is now Glaucomaria swartzii.
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 is now Myriolecis zosterae

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 is now Bryobilimbia hypnorum
Lecidea hypopta is now Lecanora phaeostigma
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
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

Lepra

Lepra albescens var. albescens. M Sutcliffe. On mature oak. Balchroich Meadow, Scotland. small LARGE small LARGE
Lepra albescens var. corallina. M Sutcliffe. On sycamore. Raasay, Scotland. small LARGE
Lepra amara. Neil Sanderson. On sandrock, Eridge Rocks, East Sussex. small LARGE
Lepra aspergilla. M J Simms. On granite (P+red). Knockiveagh, Co Down, N. Ireland. small LARGE
Lepra aspergilla. M Sutcliffe. On shale. Trerhiwarth, Llangynog, Wales. small LARGE small LARGE
Lepra corallina. M Sutcliffe. On sandstone boulder, Queen's crag, Northumberland, England. small LARGE
Lepra corallina fertile. Neil Sanderson. Bluestone, Mynydd Preseli, Pembrokeshire. small LARGE
Lepra excludens. M J Simms. (Showing K+y to r) On granite wall, Legananny, Co. Down, N Ireland. small LARGE
Lepra excludens. M Sutcliffe. On basalt. Dun Caan, Raasay, Scotland. small LARGE small LARGE
Lepra multipuncta. John Norton. On oak. Wood crates, New Forest, England. small LARGE
Lepra multipuncta. M Sutcliffe. On birch. Raasay, Scotland. small LARGE small LARGE
Lepra ophthalmiza. Neil Sanderson. On old alder. Loch Ericht, Scotland. small LARGE
Lepra ophthalmiza. M Sutcliffe. On birch. Talladale, Loch Maree, Wester Ross, Scotland. small LARGE small LARGE
Lepra pulvinata. Neil Sanderson. Mark Ash wood, New Forest. small LARGE

Lepraria

Lepraria ecorticata is now Lithocalla ecorticata.
Lepraria finkii. M Sutcliffe. On birch. Jura, Scotland. small LARGE
Lepraria incana. M Sutcliffe. On shaded gritstone. Lawrence field, near Hathersage, Derbyshire. small LARGE small LARGE Habitat
Lepraria lobificans is now Lepraria finkii.
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 is now Pseudoleptogium diffractum.
Leptogium gelatinosum is now Scytinium gelatinosum.
Leptogium lichenoides is now Scytinium lichenoides.
Leptogium massiliense is now Scytinium massiliense.
Leptogium palmatum is now Scytinium palmatum.
Leptogium plicatile is now Scytinium plicatile.
Leptogium pulvinatum is now Scytinium pulvinatum.
Leptogium saturninum. Dave Genney. Scotland. small LARGE
Leptogium schraderi is now Scytinium schraderi.
Leptogium subtile is now Scytinium subtile.
Leptogium tenuissimum is now Scytinium tenuissimum.
Leptogium teretiusculum is now Scytinium teretiusculum.

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

Lithocalla

Lithocalla ecorticata. M Sutcliffe. On sandstone in dry underhang. Great Wood, Durham, England. small LARGE Habitat

Llimonaea

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

Lobaria

Lobaria amplissima is now Ricasolia amplissima.
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 is now Lobarina scrobiculata.
Lobaria virens is now Ricasolia virens.
Nectriopsis lecanodes. M Sutcliffe. Parasitic on Ricasolia virens. Ballachuan Hazelwood, Scotland. small LARGE

Lobarina

Lobarina scrobiculata. M Sutcliffe. Broadleaf tree. Glen Quoich, Braemar, Scotland. small LARGE
Lobarina scrobiculata. M Sutcliffe. Oak. Morvern, Scotland. small LARGE
Lobarina scrobiculata. M Sutcliffe. On roadside wall. Inverawe Country Park, Taynuilt, Scotland. small LARGE
Lobarina scrobiculata. (fertile). M Sutcliffe. Oak. Talladale, Loch Maree, 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 Stictographa 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, in open hazel - ash wood, Coille Thogabhaig, Skye. 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 is now Stictographa lentiginosa.
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
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 mucida. 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 is now Mycobilimbia sphaeroides.
Mycobilimbia sphaeroides. 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

Myriolecis

Myriolecis agardhiana. Neil Sanderson. On limestone. Stackpole, Saddle Point, Pembrokeshire. small
Myriolecis albescens. M Sutcliffe. On vertical tombstone. Cemetery, Darlington, England. small LARGE
Myriolecis antiqua. M Sutcliffe. On church wall. Leicestershire, England. small LARGE Small LARGE
Myriolecis antiqua. M J Simms. On weathered, perspex information board (C+yellow). Knockiveagh, Co Down, N. Ireland. small LARGE
Myriolecis antiqua. M Sutcliffe. On Whitfield Church (east side), Northumberland. small LARGE
Myriolecis crenulata. M Sutcliffe. On tombstone. Cemetery, Darlington, England. small LARGE
Myriolecis crenulata. Neil Sanderson. On limestone. Stackpole, Saddle Point, Pembrokeshire. small
Myriolecis dispersa. M Sutcliffe. On dolomitised limestone. Harboro' rocks, Derbyshire. small LARGE small LARGE
Myriolecis dispersa. M Sutcliffe. On dolomitised limestone. Harboro' rocks, Derbyshire. small LARGE small LARGE
Myriolecis fugiens. M J Simms. On coastal sandstone. Fisherstreet, Co. Clare, Ireland. small LARGE
Myriolecis hagenii. M Sutcliffe, Det. Neil Sanderson. On ash twig. Ardnahoe loch, Islay, Scotland. small LARGE
Myriolecis persimilis. M Sutcliffe. On sycamore twig. Near Strathdon, Scotland. small LARGE small LARGE
Myriolecis zosterae M Sutcliffe. On decaying grass at top of earth bank along coast. Isle of Hoy, Scotland. small LARGE small LARGE Habitat

Myriospora

Myriospora smaragdula. M Sutcliffe. On old wooden gate. Rackwick, Isle of Hoy, Scotland.
Myriospora smaragdula. M Sutcliffe. On sandstone sculpture. Holwick, Teesdale. Habitat

Myxophora (parasitic fungi)

Myxophora leptogiophila parasitizing Collema flaccidum. M Sutcliffe. On sycamore, Raasay, Scotland. small LARGE

Nectriopsis (parasitic fungi)

Nectriopsis lecanodes. M Sutcliffe. Parasitic on Ricasolia 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

Nevesia

Nevesia sampaiana. M Sutcliffe. On oak trunk. Lochaline, Morvern, Scotland. 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 Pectenia 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.
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 microstictoides. M Sutcliffe. On old wood post, Stonehaugh, Northumberland, England. [habitat & confluent soralia suggests Ochrolechia microstictoides] 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

Opegrapha

Opegrapha areniseda. Maxine Putnam. On church wall. Combe Martin, Devon. small LARGE small
Opegrapha atra is now Arthonia atra.
Opegrapha calcarea is now Arthonia calcarea.
Opegrapha corticola is now Thelopsis corticola.
Opegrapha dolomitica. M Sutcliffe. On limestone cliff. Yew crags, West Allendale, Northumberland. small LARGE
Opegrapha gyrocarpa is now Gyrographa gyrocarpa.
Opegrapha herbarum is now Alyxoria culmigena.
Opegrapha ochrocheila is now Alyxoria ochrocheila.
Opegrapha prosodea is now Zwackhia prosodea.
Opegrapha pulvinata. M Sutcliffe. Parasitic on Dermatocarpon intestiniforme. Gairloch, Scotland. small LARGE
Opegrapha rufescens is now Pseudoschismatomma rufescens.
Opegrapha rupestris. M Sutcliffe. Parasitic on Bagliettoa parmigera s. lat., on limestone. Wolfscote Dale, Hartington, Derbyshire. small LARGE
Opegrapha subelevata is now Alyxoria subelevata.
Opegrapha thelotrematis. M Sutcliffe. On Thelotrema. Raasay, Scotland. small LARGE
Opegrapha varia is now Alyxoria varia.
Opegrapha vermicellifera. Andy Cross. On rain track of old beech. Bignell Wood, New Forest. small LARGE
Opegrapha viridipruinosa is now Alyxoria viridipruinosa.
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 is now Alyxoria xerica.

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

Pachnolepia

Pachnolepia pruinata. M J Simms. On parkland oak, Tynan, Co. Armagh, Northern Ireland. small LARGE
Pachnolepia pruinata. M Sutcliffe. On oak trunk. Nettlecombe Park, Somerset. small LARGE 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

Parabagliettoa

Parabagliettoa pinguicula. M Sutcliffe. On limestone boulder. Yew crags, West Allendale, Northumberland. small LARGE

Paralecanographa

Paralecanographa grumulosa. Neil Sanderson. On overhanging limestone. Penn's Weare, Isle of Portland. 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 omphalodes. M Sutcliffe. Whitchester crag, Bellingham, Northumberland. small LARGE
Parmelia saxatilis is now Parmelia saxatilis s. lat..
Parmelia saxatilis s. lat. M Sutcliffe. On coastal sandstone. Isle of Whithorn, Dumfries and Galloway, Scotland. small LARGE
Parmelia saxatilis s. lat. M Sutcliffe. On pine. Loch Maree, Scotland. small LARGE
Parmelia saxatilis s. lat. (fertile). M Sutcliffe. Pithouse crag, Kielder Forest, Northumberland. small LARGE
Parmelia saxatilis s. lat. M Sutcliffe. On tree trunk. Bowlees visitor's centre, Teesdale, England. small LARGE
Parmelia saxatilis s. lat. , potentially Parmelia ernstiae. M Sutcliffe. On mature oak. Inverawe Country Park, Taynuilt, Scotland. small LARGE small LARGE
Parmelia saxatilis s. lat. , potentially Parmelia ernstiae. M Sutcliffe. On mature oak. Derwent Gorge and Horsleyhope Ravine SSSI, Durham, England. small LARGE 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 is now Hypotrachyna horrescens.
Parmelinopsis minarum is now Hypotrachyna minarum.

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 reticulatum. John Norton. On beech. Wood crates, New Forest, England. small LARGE
Parmotrema robustum. Peter Lambley. West Lizard, Cornwall. small LARGE small LARGE

Pectenia

Pectenia atlantica. M Sutcliffe. Shaded mossy rock cleft, Imachar point, Isle of Arran, Scotland. small LARGE
Pectenia atlantica. M Sutcliffe. On Sycamore. Gairloch, Scotland. small LARGE
Pectenia atlantica. M Sutcliffe. On hazel. Raasay, Scotland. small LARGE
Pectenia cyanoloma. M Sutcliffe. On oak (with Pannaria rubiginosa top left). Lochaline, Morvern, Scotland. small LARGE
Pectenia cyanoloma. M Sutcliffe. Woodland west of Torridon, Scotland. small LARGE
Pectenia cyanoloma. M Sutcliffe. On sycamore. Isle of Raasay, Scotland. small LARGE
Pectenia ligulata. Ray Woods. On damp, slightly basic, north-facing sandstone sea cliffs. Gateholm Island, Pembrokeshire, Wales. small LARGE
Pectenia plumbea s. str. (right) with P. cyanoloma. Steve Price. Corrieshalloch, Scotland. 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 is now Lepra albescens var. albescens.
Pertusaria albescens var corallina is now Lepra albescens var. corallina.
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 is now Lepra pulvinata.
Pertusaria aspergilla is now Lepra aspergilla.
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 is now Lepra corallina.
Pertusaria excludens is now Lepra excludens.
Pertusaria flavida. M Sutcliffe. On oak. Penrhyn Castle, Bangor, North Wales.
Pertusaria flavida. Theresa Greenaway. On oak trunk. Knepp Castle Estate, West Sussex. small LARGE
Pertusaria hemisphaerica is now Varicellaria hemisphaerica.
Pertusaria hymenea. M Sutcliffe. On sycamore trunk, Score valley, Ilfracombe, Devon. small LARGE
Pertusaria lactea is now Varicellaria lactea.
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 is now Lepra multipuncta.
Pertusaria oculata. Neil Sanderson. On windblown low montane heath. Creag Mhigeachaidh, Glen Feshie. small LARGE
Pertusaria ophthalmiza is now Lepra ophthalmiza.
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 pupillaris. Neil Sanderson. On lignum on fallen pine. Rothiemurchus. 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 is now Varicellaria velata.

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

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 icmalea. M Sutcliffe, Det. Neil Sanderson. . 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 Polysporina subfuscescens.
Polysporina simplex is now Acarospora privigna.
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

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

Protoparmeliopsis

Protoparmeliopsis muralis. M Sutcliffe. On whin sill, near Hadrian's Wall, Northumberland, England. small LARGE
Protoparmeliopsis muralis. M Sutcliffe. On low wall. Saltwell Park, Gateshead, England. small LARGE habitat

Pseudephebe

Pseudephebe pubescens. M Sutcliffe. From summit rocks. Beinn Alligin, Torridon, Scotland. 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 citrina. M J Simms. On hazel in woodland, Berneens, The Burren, Ireland. small LARGE
Pseudocyphellaria citrina. M Sutcliffe. Coille an leathraich woodland, Raasay, Scotland. small LARGE
Pseudocyphellaria crocata is now renamed as Pseudocyphellaria citrina
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 intricata?. Andy Cross. On coastal rock. South Kintyre, Scotland. small LARGE

Pseudoleptogium

Pseudoleptogium diffractum (with Clauzadea immersa). M J Simms. On exposed limestone pavement, Fahee North, Carran, The Burren, Co. Clare. small LARGE

Pseudoschismatomma

Pseudoschismatomma rufescens. Mark Powell. On ash. Galsey Wood, Bedfordshire. small Spores

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

Reichlingia

Reichlingia anombrophila. Neil Sanderson. On an old oak in pasture woodland, Inishcreagh, Lower Lough Erne, Fermanagh, Northern Ireland. small LARGE
Reichlingia zwackhii Neil Sanderson. Growing on Phlyctis argena. On ancient beech, New Forest. small LARGE
Reichlingia zwackhii. Neil Sanderson. Growing on Phlyctis argena, rain track on Beech, Wood Crates, New Forest, England. 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

Ricasolia

Ricasolia amplissima. M Sutcliffe. On ash. Lochaline, Morvern, Scotland. small LARGE
Ricasolia amplissima. (dry). Neil Sanderson. On ancient Salix caprea ssp sphacelata Loch Ericht, Scotland. small LARGE
Ricasolia amplissima. Dave Genney. Fairy Isles, Knapdale, Argyll and Bute. small LARGE
Ricasolia virens. M Sutcliffe. Oak trunk. Lochaline, Morvern, Scotland. small LARGE
Ricasolia virens. M Sutcliffe. Shaded mossy rock cleft, Imachar point, Isle of Arran, Scotland. LARGE

Rimularia

Rimularia furvella is now Lambiella furvella
Rimularia gyrizans is now Lambiella gyrizans
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 is now Dendrographa decolorans
Schismatomma graphidioides is now Schismatomma ricasolii
Schismatomma quercicola is now Schizotrema quercicola
Schismatomma ricasolii. Stewart Taylor. On aspen. Abernethy Forest. Scotland. small LARGE
Schismatomma umbrinum. N Sanderson. On dry overhung acid rock in upland pasture woodland. Derrybawn, Glendalough, Co Wicklow, Ireland. small LARGE small LARGE

Schizotrema

Schizotrema quercicola. N Sanderson. On birch (with Allographa ruiziana) in oak-birch pasture woodland. Derrybawn, Glendalough, Co Wicklow, Ireland. 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 Lepra 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

Scytinium

Scytinium fragile. M Sutcliffe. On limestone boulders at base of cliff. Lismore Island. Scotland. small LARGE
Scytinium fragile. M J Simms. On exposed limestone pavement, Fahee North, Carran, The Burren, Co. Clare. small LARGE
Scytinium fragrans (with the moss Zygodon forsteri). Neil Sanderson. New forest, England. small LARGE
Scytinium gelatinosum. M Sutcliffe. On limestone tombstone. St John's in the Vale church, Cumbria. small LARGE small LARGE small LARGE
Scytinium gelatinosum. M Sutcliffe. On limestone boulder. Lathkill Dale, Derbyshire. small LARGE
Scytinium lichenoides. M Sutcliffe. On mossy oak. Inverawe Country Park, Taynuilt, Scotland. small LARGE
Scytinium massiliense. M Sutcliffe. On limestone scree. Lathkill Dale, Derbyshire. small LARGE
Scytinium palmatum. Neil Sanderson. In winter damp parched acid grassland, Blashford Water Treatment Works, New Forest, Hampshire. small LARGE
Scytinium plicatile. M J Simms. On basalt boulders in stream, South Woodburn Glen, Carrickfergus, Northern Ireland. small LARGE Small LARGE
Scytinium pulvinatum. M Sutcliffe. On moss overgrowing limestone, Lathkill Dale, Derbyshire. small LARGE
Scytinium schraderi. M Sutcliffe. Derbyshire. small LARGE
Scytinium subtile. M Sutcliffe. On decaying plant remains at mine spoil site, Derbyshire. small LARGE
Scytinium tenuissimum. Neil Sanderson. on sand bank in parched acid grassland, Stanway Pit, Colchester, Essex. small LARGE
Scytinium teretiusculum. M Sutcliffe. Near Screapadal, Raasay, Scotland. 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 pustulata 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

Stenocybe nitida. M Sutcliffe. On liverworts 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 s. lat. (possibly Sticta ciliata?). Neil Sanderson. On wound track on birch, Falls of Falloch, Glen Falloch, West Perthshire. 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
Sticta sylvatica? M Sutcliffe, Det. Neil Sanderson. On oak. Lochaline, Morvern, Scotland. small LARGE

Stictographa

Stictographa lentiginosa. Neil Sanderson. M. laureri (centre) with Phaeographis dendritica on either side parasitised by Stictographa lentiginosa. Rain track on Beech. James's Hill, New Forest. small LARGE
Stictographa lentiginosa. Neil Sanderson. Parasitic on Phaeographis dendritica. On old beech. James's Hill, New Forest. 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

Synarthonia

Synarthonia astroidestera. Neil Sanderson. On old holly. Matley Wood, New Forest. small LARGE small

Syncesia

Syncesia myrticola morph sorediata (soredia, invading Enterographa crassa, dotted apothecia). Neil Sanderson. On oak. New Forest, Hampshire. small LARGE
Syncesia myrticola morph sorediata. Neil Sanderson. On oak. Lanhydrock, Cornwall. small LARGE small LARGE
Syncesia myrticola morph 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

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
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

Thalloidima

Thalloidima sedifolium. M Sutcliffe. On flushed basalt sea cliff. East Lothian, Scotland. small LARGE
Thalloidima sedifolium. M Sutcliffe. On limestone, Wolfscote Dale, Derbyshire. 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 corticola. Neil Sanderson. On ancient Beech, Mark Ash wood, New Forest. small LARGE
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 is now Crutarndina petractoides

Thrombium

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

Toninia

Toninia aromatica is now Toniniopsis aromatica
Toninia episema is now Kiliasia episema
Toninia sedifolia is now Thalloidima sedifolium
Toninia verrucarioides is now Toniniopsis verrucarioides

Toniniopsis

Toniniopsis aromatica. M Sutcliffe. On flushed, coastal basalt. East Lothian, Scotland. small LARGE
Toniniopsis aromatica. M Sutcliffe. On side of church. Isle of Hoy, Scotland. small LARGE
Toniniopsis bagliettoana. M Sutcliffe. On plant detritus. Tideslow Rake, Derbyshire. small LARGE
Toniniopsis 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.
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. LARGE

Vahliella

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

Varicellaria

Varicellaria hemisphaerica. M Sutcliffe. On oak. Great Wood, Durham, England. small LARGE
Varicellaria hemisphaerica. Showing C+ red. Andy Cross. On oak. North shore of Loch Rannoch, Scotland. small LARGE
Varicellaria lactea. M Sutcliffe. On schist. Glen Quoich, Scotland. small LARGE
Varicellaria velata Neil Sanderson. On old beech. New Forest. small LARGE

Verrucaria

Verrucaria amphibia is now Hydropunctaria amphibia
Verrucaria baldensis is now Bagliettoa parmigera s. lat.
Verrucaria caerulea is now Verrucaria coerulea
Verrucaria calciseda is now Bagliettoa calciseda
Verrucaria coerulea. M Sutcliffe. On limestone. High Edge, Derbyshire. small LARGE
Verrucaria fuscella is now re-named as Placopyrenium fuscellum
Verrucaria latericola. Steve Price. On limestone outcrop. Sandpoint, Somerset. small LARGE
Verrucaria maura is now Hydropunctaria maura
Verrucaria mucosa is now Wahlenbergiella mucosa
Verrucaria nigrescens. M Sutcliffe. On siliceous tombstone. Darlington, England. small LARGE
Verrucaria pinguicula is now Parabagliettoa pinguicula

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

Wahlenbergiella

Wahlenbergiella mucosa. M Sutcliffe. On wave-polished serpentine below barnacle zone. Kynance cove, The Lizard, Cornwall. small LARGE
Wahlenbergiella mucosa. M Sutcliffe. small LARGE small
Wahlenbergiella mucosa. M Sutcliffe. On sandstone. Redpoint beach, near Gairloch, Scotland. Habitat

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 calcicola. Jeff Blincow. On gravestone, Brafield, Northampton, England. small LARGE
Xanthoria calcicola. M Sutcliffe. On coastal wall. Findlater Castle, Aberdeenshire, Scotland. small LARGE
Xanthoria calcicola. M Sutcliffe. On coastal rock. Rudha na Gailich, Jura, Scotland. small LARGE
Xanthoria calcicola. M Sutcliffe. On coastal rocks. Lismore Island, scotland. small LARGE
Xanthoria candelaria s. lat.. M Sutcliffe. On top of tombstone. Kilmory, Arran, Scotland. small LARGE
Xanthoria candelaria s. lat.. 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

Xylopsora

Xylopsora friesii. Neil Sanderson. On lignum. Standing dead pine, Cadha Beag, Rothiemurchus. small LARGE

Zwackhia

Zwackhia prosodea. Neil Sanderson. On Old hedgerow oak. Lymington, Hampshire. small LARGE

Species Gallery