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Acarospora
Acarospora fuscata. M Sutcliffe. On sandstone, Pithouse crags, kielder forest, Northumberland, England small
LARGE
Acarospora cervina. M Sutcliffe. On limestone field wall. Westgate, Weardale, Co Durham, England. small
LARGE
Acarospora cervina. Ishpi Blatchley. On calcareous sandstone headstone. Farnborough Chruchyard, Warwickshire. small
LARGE
Acarospora moenium. M Sutcliffe. On asbestos roof. Horton Woods, Northamptonshire. small
LARGE
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 smaragdula. M Sutcliffe. On old wooden gate. Rackwick, Isle of Hoy, Scotland. small
LARGE
Acarospora smaragdula. M Sutcliffe. On sandstone sculpture. Holwick, Teesdale. small
LARGE
Habitat
Acrocordia
Acrocordia conoidea. M Sutcliffe. On limestone. Wolfscote Dale, Hartington, Derbyshire. small
LARGE
Actidium
Actidium hysterioides (not lichenised). Neil Sanderson. On lignum. Standing dead pine, Cadha Beag, Rothiemurchus. small
LARGE
Agonimia
Agonimia tristicula. M Sutcliffe. On oak. Lochaline, Morvern, Scotland. small
LARGE
Agonimia tristicula. M Sutcliffe. On Collema on limestone boulder. Yew crags, West Allendale, Northumberland. small
LARGE
Agonimia tristicula (fertile). M Sutcliffe. On limestone, Harboro Rocks, Derbyshire. small
LARGE
small
LARGE
Agyrium
Agyrium rufum. Dave Genney. Scotland. small
LARGE
Alectoria
Alectoria nigricans. Dave Genney. Cuilags, Scotland. small
LARGE
Alectoria sarmentosa ssp. sarmentosa. Dave Genney. Creag nan clag, invernesshire, Scotland. small
LARGE
small
LARGE
Alectoria sarmentosa ssp. vexillifera. Dave Genney. On Arctostaphylos alpinus. Meallan nan Uan, Strathconnon, Scotland. small
LARGE
Allantoparmelia
Allantoparmelia alpicola. M Sutcliffe. On quartzite. Liathach, Torridon, Scotland. small
LARGE
Small
LARGE
Small
LARGE
Habitat
Allantoparmelia alpicola. M Sutcliffe. On sandstone. Dead Stones, Co Durham, England. small
LARGE
Amandinea
Amandinea lecideina. M Sutcliffe. On sandstone. Rackwick, Isle of Hoy, Scotland. small
LARGE
Amandinea punctata. M Sutcliffe. On trunk of plane tree. Gateshead, England. small
LARGE
Ameliella
Ameliella andreaeicola. Ralph Common. Collected by Les Street. Cairngorms, Scotland. small
LARGE
Anaptychia
Anaptychia ciliaris ssp ciliaris. Steve Price. On limestone wall. Perry Dale, Derbyshire. small
LARGE
Anaptychia ciliaris ssp mamillata. M Sutcliffe. On Coastal whin sill. Lindisfarne, Northumberland. small
LARGE
Anaptychia ciliaris ssp mamillata. S Davey. North Berwick, East Lothian, Scotland. small
LARGE
Anaptychia runcinata. M Sutcliffe. On Dalradian schist, Imachar point, Isle of Arran, Scotland. small
LARGE
Anaptychia runcinata. M Sutcliffe. On coastal shale. The Capstan, Ilfracombe, Devon, England. small
LARGE
Anisomeridium
Anisomeridium biforme. M Sutcliffe. On ash. Ilfracombe, Devon, England. small
LARGE
spores
Anisomeridium ranunculosporum. M Sutcliffe. On oak. Lochaline, Morvern, Scotland. small
LARGE
Arctoparmelia
Arctoparmelia incurva. M Sutcliffe. On volcanic tuff. Bradgate Park, Leicestershire, England. small
LARGE
Habitat
Arthonia
Arthonia anombrophila. Neil Sanderson. On an old oak in pasture woodland, Inishcreagh, Lower Lough Erne, Fermanagh, Northern Ireland. small
LARGE
Arthonia arthonioides. M Sutcliffe. On pine. Loch Maree, Wester Ross, Scotland. small
LARGE
Arthonia cinnabarina. M Sutcliffe. On hazel. Raasay, Scotland. small
LARGE
Arthonia ilicina. M Sutcliffe. Raasay, Scotland. small
LARGE
Arthonia leucopellaea. M Sutcliffe. On oak. Talladale, Wester Ross, Scotland. small
LARGE
Arthonia pruinata. M J Simms. On parkland oak, Tynan, Co. Armagh, Northern Ireland. small
LARGE
Arthonia pruinata. M Sutcliffe. On oak trunk. Nettlecombe Park, Somerset. small
LARGE
small
LARGE
Arthonia radiata. M Sutcliffe. On oak twig. Ilfracombe, Devon. small
LARGE
Small
LARGE
Arthonia spadicea. S Davey. Durfold Gill, West Sussex, England. small
LARGE
Arthonia vinosa. M Sutcliffe. On oak. Great wood, Eggleston, Durham, England small
LARGE
Arthonia vinosa. S Davey. small
LARGE
Arthonia zwackhii N Sanderson. Growing on Phlyctis argena. On ancient beech, New Forest. small
LARGE
Arthonia zwackhii. N Sanderson. Growing on Phlyctis argena, rain track on Beech, Wood Crates, New Forest, England. small
LARGE
Arthopyrenia
Arthopyrenia analepta. M Sutcliffe. On ash. Torridon Wood, Wester Ross, Scotland. With Trentepohlia algae growing on top. small
LARGE
Spore
Arthopyrenia analepta. M Sutcliffe. On hawthorn. Lathkill Dale, Derbyshire. small
LARGE
Arthopyrenia cinereopruinosa (non-lichenized). M Sutcliffe. On hazel. Raasay, Scotland. small
LARGE
Arthopyrenia nitescens. M Sutcliffe. On hazel. Raasay, Scotland. small
LARGE
Arthopyrenia salicis. Mark Powell. From old wattle rod, c1700. Riseley, Bedfordshire. small
LARGE
Arthrorhaphis
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 grisea. M Sutcliffe. On old tyre. Isle of Hoy, Scotland. small
LARGE
Aspicilia leprosescens. S Davey. North Berwick, East Lothian, Scotland. small
Aspicilia moenium is now placed in Acarospora.
Aspicilia radiosa. S Davey. Toller Porcorum Churchyard, Dorset, England. small
Bacidia
Bacidia arnoldiana. S Davey. Downton Gorge, Shropshire, England. small
LARGE
Bacidia assulata. Andy Cross. Wound track on ancient Beech, The Knowles, New Forest. small
LARGE
Bacidia delicata. Simon Davey. South Crofty Mine, Cambourne, Cornwall. small
LARGE
Bacidia incompta. Simon Davey. On ancient ash. Hatfield Park, Hertfordshire. small
LARGE
Bacidia incompta. Dave Genney. Inverfarigaig, Invernesshire. small
LARGE
Bacidia inundata. M J Simms. On sandstone in Owngar River, Co. Cork, Ireland. small
LARGE
Bacidia laurocerasi. Simon Davey. (with scale insects) Brackett's Copse, Dorset. small
LARGE
Bacidia scopulicola. Simon Davey. St Brelade's Churchyard, Jersey. small
LARGE
Bacidia squamellosa M Sutcliffe. On oak. Lochaline, Morvern, Scotland. small
LARGE
Bacidia squamellosa. Simon Davey. Herbarium specimen. small
LARGE
Bacidia sulphurella. Mark Powell. small
LARGE
Conidia
Bacidia viridifarinosa. Simon Davey. Parham Park, West Sussex. small
LARGE
Baeomyces
Baeomyces placophyllus. M Sutcliffe. On vertical, mossy, riverside rock. Glen Quoich, Braemar, Scotland. small
LARGE
Baeomyces rufus. M Sutcliffe. On gravel. Stonecroft Mine SSSI, Northumberland. small
LARGE
Bagliettoa
Bagliettoa calciseda. M Sutcliffe. On limestone. High Edge, Derbyshire. small
LARGE
Belonia
Belonia nidarosiensis. M Sutcliffe. On shaded limestone wall. Near Lathkill Dale, Bakewell, Derbyshire, England. small
LARGE
Habitat 1
Habitat 2
Biatora
Biatora chrysantha M Sutcliffe. On oak. Great wood, Eggleston, Durham, England. small
LARGE
Biatora vernalis Andy Cross. On old Ash, Creaganour Woods, Loch Rannoch, Perthshire. small
LARGE
Biatorella
Biatorella fossarum. N Sanderson. On compacted soil in old limestone quarries. Portland Bill, England. small
LARGE
Biatoropsis
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
Blarneya hibernica. Neil Sanderson. Overgrowing Lecanactis abietina on dry side of old oak, ravine edge in parkland, Glenarm Great Deer Park, Antrim, Northern Ireland. small
LARGE
Botryolepraria
Botryolepraria lesdainii. M Sutcliffe. On limestone. Lathkill Dale, Derbyshire. small
LARGE
Bryoria
Bryoria capillaris. Neil Sanderson. On pine. Cadha Beag, Rothiemurchus. small
LARGE
Bryoria chalybeiformis. M Sutcliffe. From mossy turf. Summit of Ben Rinnes, Aberdeenshire. small
LARGE
Bryoria fuscescens. M Sutcliffe. On sandstone boulder. Queen's crag, Northumberland, England. small
LARGE
Buellia
Buellia aethalea. M Sutcliffe. On volcanic tuff. Bradgate Park, Leicestershire, England. small
LARGE
Buellia aethalea. M Sutcliffe. On granite boulder. Pirnmill, Isle of Arran, Scotland. small
LARGE
Buellia disciformis. M Sutcliffe. On birch (Betula). Torridon wood, Wester Ross, Scotland. small
LARGE
Small
LARGE
Spores
Buellia griseovirens. M J Simms. On ash. Hillsborough Park, Co. Down, N Ireland. small
LARGE
Buellia stellulata M Sutcliffe. On coastal basalt. Isle of Hoy, Scotland.small
LARGE
Buellia violaceofusca. M Sutcliffe. On oak bark crevice. Great Wood, Durham, England. small
LARGE
Buellia violaceofusca. D Genney. On oak. Cawdor Wood, Scotland. small
LARGE
Bunodophoron
Bunodophoron melanocarpum. M Sutcliffe. On sandstone. Whitchester Crag, Bellingham, Northumberland. small
LARGE
Bunodophoron melanocarpum. Neil Sanderson. Fallen birch. Derrybawn, Glendalough, Co Wicklow. small
LARGE
Byssoloma
Byssoloma leucoblepharum. Andy Cross. On base-rich old oak. Bignell Wood, New Forest. small
LARGE
Calicium
Calicium corynellum. M Sutcliffe. On dry underhang of sandstone headstone. Whitfield Churchyard. Northumberland. small
LARGE
small
LARGE
Habitat
Calicium glaucellum. M Sutcliffe. On decorticated pine. Glen Quoich, Scotland. small
LARGE
Calicium glaucellum. M Sutcliffe. On pine post. Near Strathdon, Aberdeenshire, Scotland. small
Calicium hyperelloides. Neil Sanderson. In crevice on old Oak, Parkland, Castle Archdale, Fermanagh. small
LARGE
Calicium salicinum. N Sanderson. Lignum on standing dead beech, New Forest. small
LARGE
Calicium viride. M Sutcliffe. On oak. Derwent Gorge NNR, Durham. small
LARGE
Caloplaca
Caloplaca arnoldii subsp. obliterata. M Sutcliffe. On siliceous, coastal rock. East Lothian, Scotland. small
LARGE
Caloplaca aurantia. D McCutcheon. On limestone. Gower, Wales. small
LARGE
Caloplaca aurantia. M Sutcliffe. On limestone. The Burren, Co Clare, Ireland. small
LARGE
small
LARGE
Caloplaca aurantia (R) and C. flavescens (L) compared. M J Simms. On coastal limestone. Loughshinny, Co. Dublin, Ireland. small
LARGE
Caloplaca cerina. M Sutcliffe. On mature oak. Balchroich Meadow, Scotland. small
LARGE
Caloplaca 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 chrysodeta. M Sutcliffe. On limestone in sheltered underhang. Lathkill Dale, Derbyshire. small
LARGE
Caloplaca cirrochroa. M Sutcliffe. On limestone. Lismore Island, Scotland. small
LARGE
Caloplaca citrina. M Sutcliffe. On wall. The rose garden, Saltwell Park, Gateshead, England. small
LARGE
Habitat
Caloplaca crenularia. M Sutcliffe. On silicious tomb stone. burial ground, Imachir point, Isle of Arran, Scotland. small
LARGE
Caloplaca decipiens. M J Simms. On asbestos roofing, Bishops Cleeve, Gloucestershire. (with C. saxicola, C. holocarpa and Xanthoria parietina) small
LARGE
Caloplaca decipiens. M Sutcliffe. On coastal wall. Findlater Castle, Aberdeenshire, Scotland. small
LARGE
Caloplaca dichroa. M Sutcliffe. On limestone. High Edge, Derbyshire. small
LARGE
Caloplaca ferruginea. M J Simms. On hawthorn. Milltown, Co. Galway, Ireland. small
LARGE
Caloplaca ferruginea. M Sutcliffe. On oak. Ward hill, Isle of Hoy, Scotland. small
LARGE
Caloplaca flavescens. M Sutcliffe. On horizontal limestone. Slit wood, County Durham. small
LARGE
Small
LARGE
Caloplaca flavescens. M Sutcliffe. On oolitic limestone of church. Leicestershire. small
LARGE
Caloplaca flavescens. Jeff Blincow. On gravestone, Castle Ashby, Northampton, England. small
LARGE
Caloplaca flavocitrina. M Sutcliffe. On concrete paving slab. Cemetery, Darlington, England. small
LARGE
Caloplaca flavocitrina. M Sutcliffe. On boundary wall. Bradgate Park, Leicestershire, England. small
LARGE
Caloplaca flavocitrina. M Sutcliffe. On sandstone. Rackwick, Isle of Hoy, Scotland. small
LARGE
small
LARGE
Caloplaca holocarpa s.lat. M Sutcliffe. On broadleaved tree. Allensford, Durham, England. small
LARGE
Caloplaca lactea. M Sutcliffe. On limestone scree. Lathkill Dale, Derbyshire. small
LARGE
Caloplaca lactea. Ishpi Blatchley. On top of limestone chest tomb. Wye churchyard, Kent. small
LARGE
Caloplaca littorea. M Sutcliffe. On basalt sea cliff, xeric supralittoral zone. Drumadoon point, Arran, Scotland. small
LARGE
Caloplaca luteoalba. John Douglass. On sycamore. Kilham, Northumberland. small
LARGE
small
LARGE
Caloplaca luteoalba. M Sutcliffe. On elm. Golspie, Scotland. small
LARGE
Caloplaca marina. M Sutcliffe. On serpentine sea cliff, above High Water Mark. Kynance Cove, The Lizard, Cornwall, England. small
LARGE
Caloplaca oasis. M Sutcliffe. On limestone. High Edge, Derbyshire. small
LARGE
Caloplaca obscurella Fertile. Mark Powell. On elder lignum, Riseley, Bedfordshire. small
LARGE
Spores
Caloplaca obscurella Sterile. Mark Powell. On willow bark. Sutton Park, Warkwickshire. small
LARGE
Caloplaca ochracea. M J Simms. On well-lit hard limestone, Kilcorney, the Burren, Co. Clare, Ireland. small
LARGE
Caloplaca ochracea. M Sutcliffe. On limestone. Wolfscote Dale, Hartington, Derbyshire. small
LARGE
Caloplaca phlogena. Mark Powell. On Elder bark, Fyfield Down near Marlborough. small
LARGE
Caloplaca ruderum. M Sutcliffe. On calcareous church wall, Norfolk, England. small
LARGE
Caloplaca saxicola. D McCutcheon. On asbestos roof sheet. Morpeth, Northumberland, England. small
LARGE
Caloplaca suaedae. Steve Price. On shrubby seablight. Overy Staithe, Norfolk. small
LARGE
Caloplaca teicholyta. M Sutcliffe. On limestone gravestone. St Martin's, Epsom, Surrey. small
LARGE
Habitat
Caloplaca thallincola. D McCutcheon. On coastal limestone boulder. Gower, Wales. small
LARGE
Caloplaca thallincola. M Sutcliffe. On shale above high water mark. Rockham beach, Morthoe, Devon. small
LARGE
Caloplaca thallincola. M Sutcliffe. On Verrucaria maura on tidal rocks. Am Scriodan, Isle of Arran, Scotland. small
LARGE
Caloplaca thallincola. Jeff Blincow. On sea wall, Barmouth, Gwynedd, Wales. small
LARGE
Caloplaca 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
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 medians. M J Simms. On marble headstone, Templetown, Co. Louth, Ireland. small
LARGE
Candelariella medians. M Sutcliffe. On limestone headstone. St Martin's, Epsom, Surrey. small
LARGE
Habitat
Candelariella medians. M Sutcliffe. On limestone. High Edge, Derbyshire. small
LARGE
Candelariella reflexa. Mark Powell. On dead hawthorn. Riseley, Bedfordshire. small
LARGE
Candelariella vitellina. M Sutcliffe. Sandstone wall. Stocksfield, Northumberland, England. small
LARGE
Candelariella vitellina. M Sutcliffe. On sandstone wall. Coanwood, Northumberland. small
LARGE
habitat
Candelariella vitellina. M J Simms. On wooden bridge. Muckno Lake, Castleblayney, Co. Monaghan, Ireland. small
LARGE
Carbonea
Carbonea assimilis. B J Coppins. South facing basalt outcrop. Traprain Law, East Lothian, Scotland. small
LARGE
Carbonea vitellinaria. M Sutcliffe. Parasitic on Candelariella vitellina. Bradgate Park, Leicestershire, England. small
LARGE
Catapyrenium
Catapyrenium cinereum. M Sutcliffe. On coastal earth bank. Hawick, Isle of Hoy, Scotland. small
LARGE
Catapyrenium psoromoides. David Genney. small
Catapyrenium squamulosum has now been placed in Placidium.
Catillaria
Catillaria alba. M Sutcliffe. On ancient oak lignum. Old deer park, Chatsworth, Derbyshire. small
LARGE
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. N Sanderson. On ancient Salix Caprea ssp sphacelata. Creag Meagaidh. Scotland. small
LARGE
Cavernularia hultenii. M Sutcliffe. On birch. Raasay, Scotland. small
LARGE
small
LARGE
Habitat
Cetraria
Comparison of C. aculeata and C. muricata. C. aculeata on the left. small
LARGE
Cetraria aculeata. M Sutcliffe. On peat at base of rotting pine stump. Mar Lodge Estate. Braemar, Scotland. small
LARGE
Cetraria islandica. M Sutcliffe. Upland calcareous grassland. Teesdale, England. small
LARGE
Cetraria muricata. M Sutcliffe. Herbarium sample from summit rocks. Beinn Alligin, Torridon, Scotland. small
LARGE
Cetraria sepincola. D Genney. Scotland. small
LARGE
Cetraria sepincola. Neil Sanderson. On birch. Kennapole Hill, Loch an Eilein, Rothiemurchus. small
LARGE (at left)
Cetrelia
Cetrelia olivetorum. M Sutcliffe. On mossy oak trunk. Lochaline, Morvern, Scotland. small
LARGE
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 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
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
Cladonia
Cladonia bellidiflora. Jim Deacon. small
Cladonia botrytes. M Sutcliffe. On pine stump. Kindrogan field Centre, Scotland. small
LARGE
Cladonia caespiticia. Dave Genney. Scotland. small
LARGE
Cladonia cariosa. N Sanderson. On sand bank in parched acid grassland, Stanway Pit, Colchester, Essex. small
LARGE
Small
LARGE
Cladonia ciliata Var. tenuis. M J Simms. In acid grassland. Templemoyle Church, Co. Monaghan, Ireland. small
LARGE
Cladonia coccifera. P Jackson. small
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 foliacea. M Sutcliffe. Short coastal grassland. East Lothian, Scotland. small
LARGE
Cladonia glauca. M Sutcliffe. On south-facing road bank. Kielder Forest, Northumberland. small
LARGE
small
LARGE
habitat
Cladonia gracilis. N Sanderson. Parched acid grassland on shingle. Dungeness, Kent, England. small
LARGE
Cladonia gracilis. M Sutcliffe. Acid soil. Whitchester crag. Bellingham, Northumberland, England. small
LARGE
Cladonia humilis. M Sutcliffe. On south-facing road bank. Kielder Forest, Northumberland. small
LARGE
small
LARGE
Cladonia macilenta. M Sutcliffe. Base of tombstone. Cemetery, Darlington, England. small
LARGE
Cladonia parasitica. M Sutcliffe. On oak. Lochaline, Morvern, Scotland. small
LARGE
Cladonia parasitica. M Sutcliffe. On dead oak trunk. Old deer park, Chatsworth, Derbyshire. small
LARGE
Cladonia pleurota. Neil Sanderson. On lignum on fallen pine. Cadha Beag, Rothiemurchus. small
LARGE
Cladonia pocillum. M Sutcliffe. On moss on limestone. Lathkill Dale, Derbyshire. small
LARGE
Cladonia polydactyla. M Sutcliffe. Decayed wood/peat. Kielder Forest, Northumberland. small
LARGE
Cladonia polydactyla. M Sutcliffe. Decayed wood/peat. Kielder Forest, Northumberland. small
LARGE
Cladonia polydactyla. M Sutcliffe. On south-facing road bank. Kielder Forest, Northumberland. small
LARGE
small
LARGE
habitat
Cladonia portentosa. M Sutcliffe. On peat. Kielder Forest, Northumberland. small
LARGE
Cladonia portentosa. M Sutcliffe. On peat. Kielder Forest, Northumberland. small
LARGE
Cladonia ramulosa. M Sutcliffe. Sandstone. Kielder Forest, Northumberland. small
LARGE
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 sulphurina. M Sutcliffe small
LARGE
Cladonia symphycarpia. N Sanderson. 19th century chalk spoil heaps. Micheldever Chalkies, Hampshire, England. small
LARGE
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
Clauzadea
Clauzadea immersa (with Leptogium diffractum). M J Simms. On exposed limestone pavement, Fahee North, Carran, The Burren, Co. Clare. small
LARGE
Clauzadea immersa. M Sutcliffe. On limestone. Long Dale, Derbyshire. small
LARGE
Clauzadea monticola. M Sutcliffe small
LARGE
Clauzadea monticola. M Sutcliffe. On granite wall. Beinn Eighe campsite, Wester Ross, Scotland. small
LARGE
small
LARGE
Clauzadeana
Clauzadeana macula. N Hodgetts small
LARGE
Cliostomum
Cliostomum flavidulum. Neil Sanderson. On oak. Cliostomum flavidulum (paler left) and Pyrrhospora quernea (darker with black prothallus right). Old Lodge Warren, East Sussex. small
LARGE Pd+ red
small
LARGE
Cliostomum griffithii. M Sutcliffe. On mature sycamore. Morpeth, Northumberland. small
LARGE
Cliostomum griffithii. M Sutcliffe. On mature sycamore. Morpeth, Northumberland. small
LARGE
Cliostomum griffithii. M Sutcliffe. On mature oak. Great Wood, Co. Durham, England. small
LARGE
Collema
Comparison with Leptogium
Collema auriforme. M Sutcliffe. On limestone of disused quarry. Bowlees Visitor's Centre, near Middleton-in-Teesdale, Durham, England. small
LARGE
Small
LARGE
Collema auriforme. M Sutcliffe. On limestone. Wolfscote Dale, Derbyshire. small
LARGE
Collema auriforme. M Sutcliffe. Raasay, Scotland. small
LARGE
Collema crispum. M Sutcliffe. On limestone of disused quarry. Bowlees Visitor's Centre, near Middleton-in-Teesdale, Durham, England. small
LARGE
Small
LARGE
Small
LARGE
Collema cristatum. M Sutcliffe. On limestone. Wolfscote Dale, Hartington, Derbyshire. small
LARGE
Small
LARGE
Collema cristatum var. marginale. M Sutcliffe. On limestone boulder. Lathkill Dale, Derbyshire. small
LARGE
Collema fasciculare. M Sutcliffe. On oak by river. Talladale, Wester Ross, Scotland. small
LARGE
Collema flaccidum. M J Simms. On sandstone within zone of seasonal flooding, Owngar River, near Bantry, Co. Cork, Ireland small
LARGE
Collema flaccidum. M Sutcliffe. On schist. Meall nan Tarmachan, Scotland. small
LARGE
Collema flaccidum parasitised by Myxophora leptogiifera. M Sutcliffe. On sycamore, Raasay, Scotland. small
LARGE
Collema fragile. M Sutcliffe. On limestone boulders at base of cliff. Lismore Island. Scotland. small
LARGE
Collema fragile. M J Simms. On exposed limestone pavement, Fahee North, Carran, The Burren, Co. Clare. small
LARGE
Collema fragrans (with the moss Zygodon forsteri). Neil Sanderson. New forest, England. small
LARGE
Collema furfuraceum. M Sutcliffe. On sycamore. Gairloch, Wester Ross, Scotland. small
LARGE
Collema furfuraceum. Dave Genney. Scotland. small
LARGE
Collema fuscovirens. M Sutcliffe. On top of limestone boulder. Yew crags, West Allendale, Northumberland. small
LARGE
Collema multipartitum. M Sutcliffe. On limestone. The Burren, Co Clare, Ireland. small
LARGE
small
LARGE
Collema subflaccidum. Ray Woods. On outcrop. SW Henllyn Mawr, Llandeilo Graban, Radnorshire, Wales. small
LARGE
Habitat
Collema subnigrescens. M Sutcliffe. On stream-side serpentine outcrop. Kynance cove, Cornwall, England. small
LARGE
Small
LARGE
Cornicularia
Cornicularia normoerica. M Sutcliffe. On granite boulder. Badachro, Gairloch, Scotland. small
LARGE
Cornicularia normoerica. 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
Cyphelium
Cyphelium inquinans. M Sutcliffe. On pine. Glen Quoich, Braemar, Scotland. small
LARGE
Cyphelium tigillare. M Sutcliffe. On low, decorticated pine branch. Glen Quoich, Braemar, Scotland. small
LARGE
LARGE
small
Cyphelium tigillare. Habitat
Cystocoleus
Cystocoleus ebeneus. M Sutcliffe. Vertical granite outcrop. Inverawe Country Park, Taynuilt, Scotland. small
LARGE
micropic
(showing thin, dark, wiggly fungal hyphae growing on thick Trentepohlia algae. Droplets of a carotenoid, which give this alga its orange colour, have spilled out)
Cystocoleus ebeneus M Sutcliffe. On sandstone. Enegars, Isle of Hoy, Scotland.small
LARGE
Degelia
Degelia atlantica. M Sutcliffe. Shaded mossy rock cleft, Imachar point, Isle of Arran, Scotland. small
LARGE
Degelia atlantica. M Sutcliffe. On Sycamore. Gairloch, Scotland. small
LARGE
Degelia atlantica. M Sutcliffe. On hazel. Raasay, Scotland. small
LARGE
Degelia cyanoloma. M Sutcliffe. On oak (with Pannaria rubiginosa top left). Lochaline, Morvern, Scotland. small
LARGE
Degelia cyanoloma. M Sutcliffe. Woodland west of Torridon, Scotland. small
LARGE
Degelia cyanoloma. M Sutcliffe. On sycamore. Isle of Raasay, Scotland. small
LARGE
Degelia ligulata. Ray Woods. On damp, slightly basic, north-facing sandstone sea cliffs. Gateholm Island, Pembrokeshire, Wales. small
LARGE
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 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 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
Dermatocarpon miniatum. M Sutcliffe. Conglomerate cliff, in rain track. Dunstaffnage Castle, Dunbeg, Scotland. 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
Dimerella
Dimerella lutea. M Sutcliffe. On shaded oak trunk. Lochaline, Morvern, Scotland. small
LARGE
Dimerella lutea. M Sutcliffe. On oak. Ward hill, Isle of Hoy, Scotland. small
LARGE
Dimerella pineti. Mark Powell. On shaded hazel bark at Bowd Lane Copse, Northamptonshire. small
LARGE
Spores
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
LARGE
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
Diplotoma
Diplotoma alboatrum. M Sutcliffe. On calcareous wall of church, Norfolk, England. small
LARGE
Diplotoma alboatrum. M Sutcliffe. On serpentine cliff above High Water Mark. Kynance cove, The Lizard, Cornwall. England. 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. Neil Sanderson. Overhanging limestone, Penn's Weare, Isle of Portland, Dorset. small
LARGE
Enterographa
Enterographa brezhonega. Andy Cross. (det Neil Sanderson, conf. Laurens Sparrius) new to Britain. The white pseudostromata formed from convoluted groups of lirellae parasitising Porina rosei. Great Wood, New forest, Hampshire. small
LARGE
Enterographa crassa. M Sutcliffe. On Sycamore in dense woodland, The Cairn, Ilfracombe, Devon. small
LARGE
Enterographa elaborata. Neil Sanderson. New forest, Hampshire. small
LARGE
Enterographa elaborata. N 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. N Sanderson. On ancient beech (wound track). New Forest, Hampshire. small
LARGE
Labels
Enterographa pitardii. Neil Sanderson. On chert overhang in limestone. Penn's Weare, Isle of Portland. small
LARGE
Enterographa sorediata (fertile). N Sanderson. On oak. New Forest, Hampshire. small
LARGE
Enterographa sorediata. N Sanderson. On oak. Lanhydrock, Cornwall. small
LARGE
small
LARGE
Enterographa sorediata. N 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
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
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 soredians. M Sutcliffe. On beech tree. East Lothian, Scotland. small
LARGE
Fulgensia
Fulgensia fulgens. Robin Crump. Wales. small
LARGE
small
LARGE
Fuscidea
Fuscidea cyathoides. N Hodgetts small
LARGE
Fuscidea cyathoides. M Sutcliffe. On sandstone, Kielder Forest, Northumberland. 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 praeruptorum. M Sutcliffe. On gravestone. Whitfield Church, Northumberland. small
LARGE
small
LARGE
Fuscopannaria
Fuscopannaria ignobilis. Dave Genney. Inverfarigaig, Invernesshire. small
LARGE
Fuscopannaria mediterranea. M Sutcliffe. On mossy ash tree. Inverawe Country Park, Strathclyde, Scotland. small
LARGE
Fuscopannaria sampaiana. M Sutcliffe. On oak trunk. Lochaline, Morvern, Scotland. small
LARGE
Gomphillus
Gomphillus calycioides. Neil Sanderson. The Burren, Ireland. small
LARGE
Graphina
Graphina anguina. M J Simms. On lakeside Ash. Black Island, Castleblayney, Co. Monaghan, Ireland. small
LARGE
Graphis
Graphis elegans. M Sutcliffe. On beech. Hesleyside Park, Northumberland. small
LARGE
small
LARGE
Graphis scripta. M Sutcliffe. On beech, the Cairn, Ilfracombe, Devon, England. small
LARGE
Gyalecta
Gyalecta jenensis. M Sutcliffe. On limestone cliff. Lismore Island, scotland. small
LARGE
Gyalecta ulmi. N Hodgetts. small
LARGE
Gyalecta ulmi. M Sutcliffe. On limestone. Yew crags, Northumberland. small
LARGE
Gyalidiopsis
Gyalidiopsis muscicola. Dave Genney. Scotland. small
LARGE
Haematomma
Haematomma ochroleucum var porphyrium. M Sutcliffe. vertical face of tombstone, Norfolk, England. small
LARGE
Hertelidea
Hertelidea botryosa. M Sutcliffe. On fallen dead pine. Glen Quoich. Scotland. small
LARGE
Hertelidea botryosa. M Sutcliffe. On dead fallen oak. Old deer park, Chatsworth, Derbyshire. small
LARGE
Habitat
Heterodermia
Heterodermia japonica has been wrongly applied to British and Irish specimens and is H. obscurata.
Heterodermia obscurata. Dave Genney. Knapdale SSSI, Argyll and Bute. small
LARGE
Heterodermia leucomela. M Sutcliffe. Coastal serpentine rocks, The Lizard, Cornwall, England. small
LARGE
Heterodermia leucomela. Theresa Greenaway. Saddle Point, Pembrokeshire, Wales. small
LARGE
Homostegia
Homostegia piggotii. M Sutcliffe. Parasitizing Parmelia saxatilis. Raasay, Scotland. small
LARGE
Hymenelia
Hymenelia epulotica. M Sutcliffe. On limestone boulder. Yew crags, West Allendale, Northumberland. small
LARGE
Hymenelia epulotica. M Sutcliffe. On limestone. High Edge, Derbyshire. small
LARGE
Hyperphyscia
Hyperphyscia adglutinata. M Sutcliffe. On ancient oak. Nettlecombe Court, Williton, Somerset, England. small
LARGE
Hypocenomyce
Hypocenomyce friesii. Neil Sanderson. On lignum. Standing dead pine, Cadha Beag, Rothiemurchus. small
LARGE
Hypocenomyce scalaris. M Sutcliffe. On standing dead pine. Glen Quoich, Braemar, Scotland. small
LARGE
Hypogymnia
Hypogymnia farinacea. M Sutcliffe. On siliceous rock. Rannerdale Knotts, Cumbria. small
LARGE
Hypogymnia farinacea. Andy Acton. On Scots pine. Scotland. small
small
LARGE
Hypogymnia physodes. M Sutcliffe. On artificial sign of nature reserve, Williamston, Northumberland, England. small
LARGE
Hypogymnia physodes. M Sutcliffe. On sandstone boulder. Hadrian's Wall area, Northumberland, England. large
Hypogymnia physodes. M Sutcliffe. On pine. Loch Maree, Scotland. small
Hypogymnia physodes fertile. Dave Genney. Scotland. small
LARGE
Hypogymnia tubulosa. M Sutcliffe. On sandstone boulder. Queen's crag, Northumberland, England. small
LARGE
Hypogymnia vittata. M Sutcliffe. On open, dune grassland. Golspie, Scotland. small
LARGE
small
LARGE
small
LARGE
Hypotrachyna
Hypotrachyna britannica. M J Simms. On ash by Clare River, Milltown, Co. Galway, Ireland. small
LARGE
Hypotrachyna laevigata. M Sutcliffe. On broadleaved tree. Morvern, Scotland. small
LARGE
Hypotrachyna laevigata. M Sutcliffe. On alder. Inverawe Country Park, Taynuilt, Scotland. small
LARGE
Hypotrachyna revoluta. M Sutcliffe. On oak. Ulverscroft, Leicestershire, England. small
LARGE
Habitat
Hypotrachyna revoluta. M Sutcliffe. small
LARGE
Hypotrachyna revoluta. M Sutcliffe. small
LARGE
Hypotrachyna sinuosa. M J Simms. On sycamore branch, Fahee North, the Burren, Co. Clare, Ireland. small
LARGE
Hypotrachyna sinuosa. M Sutcliffe. On birch. Raasay, Scotland. small
LARGE
Hypotrachyna taylorensis. M Sutcliffe. On large horizontal branch at woodland edge. Morvern, Scotland. small
LARGE
Icmadophila
Icmadophila ericetorum. M Sutcliffe. On peat. Glen Quoich, Braemar, Scotland. small
LARGE
Imshaugia
Imshaugia aleurites. M Sutcliffe. On old wooden bridge. Glen Quoich, Braemar, Scotland. small
LARGE
Imshaugia aleurites. fertile. M Sutcliffe. On rotting pine stump. Glen Quoich, Braemar, Scotland. small
LARGE
Imshaugia aleurites. M Sutcliffe. On pine. Loch Maree, Scotland. small
LARGE
Imshaugia aleurites. M Sutcliffe. On dead fallen oak. Old deer park, Chatsworth, Derbyshire. small
LARGE
Ionapsis
Ionaspis lacustris. M Sutcliffe. Screapadal, Raasay, Scotland. small
LARGE
Ionaspis epulotica is now Hymenelia epulotica.
Jamesiella
Jamesiella anastomosans showing hyphophores. Mark Powell. On Oak branch near Salisbury. small
LARGE
Lasallia
Lasallia pustulata. M Sutcliffe. On volcanic tuff. Bradgate Park, Leicestershire. small
LARGE
Lasallia pustulata. F G Jones. On siliceous Roche Moutonnee. Nant Ffrancon, N Wales. small
LARGE
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
Lecania
Lecania aipospila. M Sutcliffe. On coastal basalt. South Hoy, Orkneys, Scotland. small
LARGE
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 rabenhorstii M Sutcliffe. Hoy church, Isle of Hoy, Scotland.small
LARGE
Lecania subfuscula. M Sutcliffe. On coastal turf (surrounded by undescribed Bacidea). South Hoy, Orkneys, Scotland. small
LARGE
Lecanographa
Lecanographa amylacea. D Genney. On oak. Cawdor Wood, Scotland. small
LARGE
small
LARGE
small
LARGE
Lecanographa dialeuca. Neil Sanderson. On chert overhang in limestone. Penn's Weare, Isle of Portland. small
LARGE
Lecanographa grumulosa. Neil Sanderson. On overhanging limestone. Penn's Weare, Isle of Portland. small
LARGE
Lecanographa lyncea. Neil Sanderson. On ivy stem on sandstone cliff in oceanic woodland, Correl Glen, Co. Fermanagh. small
LARGE
Lecanora
Lecanora albella. Mark Powell. Showing PD+. On Oak branch near Salisbury. small
LARGE
Lecanora albescens. M Sutcliffe. On vertical tombstone. Cemetery, Darlington, England. small
LARGE
Lecanora 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 campestris var. campestris. M Sutcliffe. On limestone, Harboro Rocks, Derbyshire. small
LARGE
Lecanora campestris var. dolomitica. M Sutcliffe. On limestone, Harboro Rocks, Derbyshire. small
LARGE
Lecanora carpinea. M Sutcliffe. On maple. Portsoy, Aberdeenshire, Scotland. small
LARGE
Lecanora carpinea. M Sutcliffe. On hawthorn. Lathkill Dale, Derbyshire. small
LARGE
Lecanora chlarotera. M Sutcliffe. On ash. Devon. small
LARGE
Lecanora cinereofusca. Neil Sanderson. On hazel, old growth hazel - ash pasture-woodland, Coille Thogabhaig, Skye. small
LARGE
small
LARGE
Lecanora conferta. M Sutcliffe. On church wall. Leicestershire, England. small
LARGE
Small
LARGE
Lecanora conferta. M J Simms. On weathered, perspex information board (C+yellow). Knockiveagh, Co Down, N. Ireland. small
LARGE
Lecanora conferta. M Sutcliffe. On Whitfield Church (east side), Northumberland. small
LARGE
Lecanora confusa. M Sutcliffe. On old wooden gate. Rackwick, Isle of Hoy, Scotland. small
LARGE
Lecanora conizaeoides. M Sutcliffe. On pine. Ingram, Northumberland. small
LARGE
Lecanora crenulata. M Sutcliffe. On tombstone. Cemetery, Darlington, England. small
LARGE
Lecanora dispersa. M Sutcliffe. On dolomitised limestone. Harboro' rocks, Derbyshire. small
LARGE
small
LARGE
Lecanora expallens. M Sutcliffe. On young broadleaved tree, Allensford, Durham, England. small
LARGE
Lecanora expallens. M Sutcliffe. On south side of church. Kilmory, Arran, Scotland. Small
LARGE
small
LARGE
Lecanora expallens. M Sutcliffe. On old wooden gatepost. Rackwick, Isle of Hoy, Scotland. small
LARGE
Lecanora farinaria. M Sutcliffe. On old wooden gate. Rackwick, Isle of Hoy, Scotland. small
LARGE
Lecanora fugiens. M J Simms. On coastal sandstone. Fisherstreet, Co. Clare, Ireland. small
LARGE
Lecanora gangaleoides. M Sutcliffe. On sandstone crag. Pithouse crags, Kielder Forest, Northumberland, England. small
LARGE
Lecanora gangaleoides. M Sutcliffe. On whin sill (andesite). Sewingshields crag, Northumberland, England. small
LARGE
Lecanora intricata. M Sutcliffe. On drystone wall. Teesdale, Durham. small
LARGE
Lecanora intumescens. Neil Sanderson. On Rowan. Cadha Beag, Rothiemurchus. small
LARGE
small
LARGE
Lecanora jamesii. Theresa Greenaway. On Salix. Stackpole, Pembrokeshire, Wales. small
LARGE
Lecanora muralis. M Sutcliffe. On whin sill, near Hadrian's Wall, Northumberland, England. small
LARGE
Lecanora muralis. M Sutcliffe. On painted railing. Saltwell Road, Gateshead, England. small
LARGE
habitat
Lecanora orosthea. M Sutcliffe. On siliceous volcanic tuff. Bradgate Park, Leicestershire, England. small
LARGE
Small
LARGE
Lecanora pannonica. M Sutcliffe. Vertical face of brick wall. Norfolk, England. small
LARGE
Lecanora polytropa. M Sutcliffe. On drystone wall. Teesdale, Durham. (L. polytropa middle, surrounded by L. intricata and L. soralifera) small
LARGE
Lecanora pulicaris. M Sutcliffe. On old wooden post. Stonehaugh, Northumberland, England. small
LARGE
Lecanora quercicola. Neil Sanderson. Melbury Park, England. small
LARGE
Lecanora rupicola. M Sutcliffe. Vertical tombstone. Kilmory, Arran, Scotland. small
LARGE
LARGE
Lecanora rupicola. M Sutcliffe. Sandstone wall. Middleton-in-teesdale, England. small
LARGE
Lecanora rupicola. M Sutcliffe. Sandstone wall. Middleton-in-teesdale, England. small
LARGE
Lecanora rupicola. M Sutcliffe. Sandstone wall. Middleton-in-teesdale, England. small
LARGE
Lecanora saligna. M Sutcliffe. On old wooden gate. Rackwick, Isle of Hoy, Scotland. small
LARGE
Lecanora sinuosa. John Garrett. On ash. Suffolk. small
LARGE
Lecanora soralifera. M Sutcliffe. On drystone wall (with L. polytropa). Teesdale, Durham. small
LARGE
Lecanora soralifera. M Sutcliffe. On basalt. Teesdale, England. small
LARGE
Lecanora sublivescens Andy Cross. On sunny trunk of old beech, New Forest. small
LARGE
Lecanora sulphurea . M Sutcliffe. On sandstone. Isle of Hoy, Scotland. small
LARGE
Lecanora swartzii. N Hodgetts small
LARGE
Lecanora symmicta. M Sutcliffe. On old wooden gate. Rackwick, Isle of Hoy, Scotland. small
LARGE
Lecanora varia. M Sutcliffe. On old wooden post. Stonehaugh, Northumberland, England. small
LARGE
Lecanora zosterae M Sutcliffe. On decaying grass at top of earth bank along coast. Isle of Hoy, Scotland. small
LARGE
small
LARGE
Habitat
Lecidea
Lecidea fuliginosa. M Sutcliffe. On basalt. Brada Hill, Northumberland. small
LARGE
small
LARGE
Lecidea fuscoatra. M Sutcliffe small
LARGE
Lecidea fuscoatra. M Sutcliffe. On volcanic tuff. Bradgate Park, Leicestershire. small
LARGE
Lecidea grisella. M Sutcliffe. On basalt. Brada Hill, Northumberland. small
LARGE
small
LARGE
Lecidea hypnorum. M Sutcliffe. On moss on limestone boulder. Yew crags, West Allendale, Northumberland. small
LARGE
Lecidea lapicida. M Sutcliffe. On siliceous rock. Glen Buchat, Aberdeenshire, Scotland. small
LARGE
Lecidea lithophila. M Sutcliffe. On basalt. Brada Hill, Northumberland. small
LARGE
small
LARGE
Lecidea nylanderi. M Sutcliffe. On pine lignum, Braemar, Scotland. small
LARGE
Lecidea nylanderi. M Sutcliffe. small
Lecidea turgidula. Neil Sanderson. On lignum on fallen pine. Rothiemurchus. small
LARGE
Lecidella
Lecidella asema M Sutcliffe. On coastal sandstone. Rackwick, Isle of Hoy, Scotland.small
LARGE
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
Lepraria
Lepraria ecorticata. M Sutcliffe. On sandstone in dry underhang. Great Wood, Durham, England. small
LARGE
Habitat
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 small
LARGE
Leprocaulon
Leprocaulon microscopicum. M Sutcliffe. On vertical shale. Ilfracombe, Devon. small
LARGE
Leptogium
Comparison with Collema
Leptogium brebissonii. M Sutcliffe. On hazel. Ballachuan Hazelwood, Scotland. small
LARGE
small
LARGE
Leptogium britannicum. M Sutcliffe. On limestone seacliff. Lismore Island, scotland. small
LARGE
Leptogium burgessii. (fertile). M Sutcliffe. On mossy base of oak trunk. Lochaline, Morvern, Scotland. small
LARGE
LARGE
Leptogium burgessii. (sterile). M Sutcliffe. On mossy base of oak trunk. Lochaline, Morvern, Scotland. small
LARGE
Leptogium cochleatum. M J Simms. On hazel in woodland, Berneens, The Burren, Ireland. small
LARGE
Leptogium coralloideum. Neil Sanderson. On hazel, old growth hazel - ash pasture-woodland, Coille Thogabhaig, Skye. small
LARGE
Leptogium cyanescens. M Sutcliffe. On alder. Inverawe Country Park, Taynuilt, Scotland. small
LARGE
small
LARGE
Leptogium cyanescens. M Sutcliffe. On shaded mossy rocks. Torridon Wood, Wester Ross, Scotland. small
LARGE
Leptogium diffractum (with Clauzadea immersa). M J Simms. On exposed limestone pavement, Fahee North, Carran, The Burren, Co. Clare. small
LARGE
Leptogium gelatinosum. M Sutcliffe. On limestone tombstone. St John's in the Vale church, Cumbria. small
LARGE
small
LARGE
small
LARGE
Leptogium gelatinosum. M Sutcliffe. On limestone boulder. Lathkill Dale, Derbyshire. small
LARGE
Leptogium lichenoides. M Sutcliffe. On mossy oak. Inverawe Country Park, Taynuilt, Scotland. small
LARGE
Leptogium masiliense. M Sutcliffe. On limestone scree. Lathkill Dale, Derbyshire. small
LARGE
Leptogium palmatum. Neil Sanderson. In winter damp parched acid grassland, Blashford Water Treatment Works, New Forest, Hampshire. small
LARGE
Leptogium plicatile. M J Simms. On basalt boulders in stream, South Woodburn Glen, Carrickfergus, Northern Ireland. small
LARGE
Small
LARGE
Leptogium pulvinatum. M Sutcliffe. On moss overgrowing limestone, Lathkill Dale, Derbyshire. small
LARGE
Leptogium saturninum. Dave Genney. Scotland. small
LARGE
Leptogium schraderi. M Sutcliffe. Derbyshire. small
LARGE
Leptogium subtile. M Sutcliffe. On decaying plant remains at mine spoil site, Derbyshire. small
LARGE
Leptogium tenuissimum. Neil Sanderson. on sand bank in parched acid grassland, Stanway Pit, Colchester, Essex. small
LARGE
Leptogium teretiusculum. M Sutcliffe. Near Screapadal, Raasay, Scotland. small
LARGE
Lichenomphalia
Lichenomphalia alpina. Ray Woods. near Llanelwedd, Radnorshire, Wales. small
LARGE
Lichenomphalia alpina. Dave Genney. With fruiting body surrounded by L. hudsoniana. small
LARGE
Lichenomphalia hudsoniana. M Sutcliffe small
LARGE
Lichenomphalia hudsoniana. Dave Genney. Connival, Scotland. small
Lichenomphalia hudsoniana. Dave Genney. Connival, Scotland. small
LARGE
Lichenomphalia umbellifera. Ray Woods. On north-facing, peaty bank on Carngafallt, Llanwrthwl, Brecknock, Wales. small
LARGE
Lichenomphalia umbellifera. M Sutcliffe. On humus. Brada Hill, Northumberland. small
LARGE
small
LARGE
Lichenomphalia umbellifera. M J Simms. On exposed peat. Glenhead, near Larne, Co. Antrim, N Ireland. small
LARGE
small
LARGE
Lichina
Lichina confinis. M Sutcliffe. On shale above high water mark. Rockham beach, Morthoe, Devon. small
LARGE
Llimonaea
Llimonaea sorediata (with Roccella phycopsis). N Sanderson. On oak. Clovelly, Devon. small
LARGE
Lobaria
Lobaria amplissima. M Sutcliffe. On ash. Lochaline, Morvern, Scotland. small
LARGE
Lobaria amplissima. (dry). N Sanderson. On ancient Salix caprea ssp sphacelata Loch Ericht, Scotland. small
LARGE
Lobaria amplissima. Dave Genney. Fairy Isles, Knapdale, Argyll and Bute. small
LARGE
Lobaria pulmonaria. (dry). M Sutcliffe. Broadleaf tree. Glen Quoich, Braemar, Scotland. small
LARGE
Lobaria pulmonaria. (wet). M Sutcliffe. Sycamore. Brodick Castle, Isle of Arran, Scotland. small
LARGE
Lobaria pulmonaria. Dave Genney. Ormidale House, Scotland. small
LARGE
Lobaria scrobiculata. M Sutcliffe. Broadleaf tree. Glen Quoich, Braemar, Scotland. small
LARGE
Lobaria scrobiculata. M Sutcliffe. Oak. Morvern, Scotland. small
LARGE
Lobaria scrobiculata. M Sutcliffe. On roadside wall. Inverawe Country Park, Taynuilt, Scotland. small
LARGE
Lobaria scrobiculata. (fertile). M Sutcliffe. Oak. Talladale, Loch Maree, Scotland. small
LARGE
Lobaria virens. M Sutcliffe. Oak trunk. Lochaline, Morvern, Scotland. small
LARGE
Lobaria virens. M Sutcliffe. Shaded mossy rock cleft, Imachar point, Isle of Arran, Scotland. LARGE
Nectriopsis lecanodes. M Sutcliffe. Parasitic on Lobaria virens. Ballachuan Hazelwood, Scotland. small
LARGE
Lopadium
Lopadium disciforme. M Sutcliffe. On oak. Lochaline, Morvern, Scotland. small
LARGE
Lopadium disciforme. Dave Genney. Scotland. small
LARGE
Loxospora
Loxospora elatina. M Sutcliffe. On oak. Lochaline, Morvern, Scotland. small
LARGE
Massalongia
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 N Sanderson. Expanding into a wound track on ancient beech. New Forest. small
LARGE
Megalaria laureri. Neil Sanderson. M. laureri (centre) with Phaeographis dendritica on either side parasitised by Melaspilea lentiginosa.
Rain track on Beech. James's Hill, New Forest. small
LARGE
Megalaria pulverea. M Sutcliffe. On Magnolia. Brodick Castle gardens, Arran, Scotland. small
LARGE
Megalaria pulverea. Dave Genney. Scotland. small
LARGE
Megalospora
Megalospora tuberculosa N Sanderson. On moss on old ash. New Forest. small
LARGE
Megalospora tuberculosa. Neil Sanderson. Ash tree, in open hazel ¬ ash wood, Coille Thogabhaig, Skye. small
LARGE
Megaspora
Megaspora verrucosa. Neil Sanderson. Creag Mhor, Glen Tilt, Perthshire. small
LARGE
Melanelia
Melanelia hepatizon. M Sutcliffe. On schist. Ben Lawers, Scotland. small
LARGE
Melanelixia
Melanelixia fuliginosa subsp fuliginosa. M Sutcliffe small
LARGE
Melanelixia fuliginosa subsp glabratula. M Sutcliffe. On ash. Roddam Dene, Wooler, Northumberland, England. small
LARGE
Melanelixia fuliginosa subsp 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 laciniatula. M Sutcliffe. On beech. Edinburgh. small
LARGE
Melanohalea septentrionalis. Neil Sanderson. On birch. Kennapole Hill, Loch an Eilein, Rothiemurchus. small
LARGE (right and vertical branch)
Melaspilea
Melaspilea atroides. M Sutcliffe. Raasay, Scotland. small
LARGE
Melaspilea lentiginosa. Neil Sanderson. M. laureri (centre) with Phaeographis dendritica on either side parasitised by Melaspilea lentiginosa.
Rain track on Beech. James's Hill, New Forest. small
LARGE
Melaspilea lentiginosa. Neil Sanderson. Parasitic on Phaeographis dendritica. On old beech. James's Hill, New Forest. small
LARGE
Melaspilea ochrothalamia. John Norton. Parasitising Rinodina efflorescens on young oak. Wood crates, New Forest, England. small
LARGE
Menegazzia
Menegazzia terebrata. M Sutcliffe. Trees. Lochaline, Morvern, Scotland. small
LARGE
Menegazzia terebrata. M Sutcliffe. On birch. Raasay, Scotland. small
LARGE
Micarea
Micarea alabastrites. M Sutcliffe. On oak. Lochaline, Morvern, Scotland. small
LARGE
Micarea alabastrites. M Sutcliffe. On pine. Loch Maree, Wester Ross, Scotland. small
LARGE
small
LARGE
Micarea alabastrites. Neil Sanderson. On sandrock, Eridge Rocks, East Sussex. small
LARGE
Micarea coppinsii M Sutcliffe. On sandstone boulder. Ward Hill, Isle of Hoy, Scotland.small
LARGE
Micarea lignaria. M Sutcliffe. On acidic rock under pine. Glen Quoich, Braemar, Scotland. small
LARGE
Micarea lignaria. M Sutcliffe. On fallen dead pine. Glen Quoich, Braemar, Scotland. small
LARGE
Micarea melaena. M Sutcliffe. On decorticated oak. Great Wood, Eggleston, Durham, England. small
LARGE
Habitat
Micarea peliocarpa M Sutcliffe. On upland peat. Ward Hill, Isle of Hoy, Scotland.small
LARGE
Habitat
Micarea prasina. Jim Deacon. small
Micarea prasinella. Dave Genney. On moss in ravine. Dundonnel, Scotland. small
LARGE
Micarea stipitata. Dave Genney. Scotland. small
LARGE
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
Moelleropsis
Moelleropsis nebulosa. B J Coppins. On crumbling Old Red sandstone, conglomerate and soil. Monynut Water, East Lothian, scotland. small
LARGE
Multiclavula
Multiclavula vernalis. (TBC) Ray Woods. On a decorticate log, shore of Loch Arienas, Ardtornish, Scotland. small
LARGE
Mycobilimbia
Mycobilimbia epixanthoides. B J Coppins. On ash. Craighall Gorge SSSI, Perthshire, Scotland. small
LARGE
Mycobilimbia pilularis. M Sutcliffe. On shaded oak. Great wood, Eggleston, Durham, England. small
LARGE
small
LARGE
Mycoblastus
Mycoblastus caesius. M Sutcliffe. On pine. Loch Maree, Wester Ross, Scotland. small
LARGE
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 lacteum. Neil Sanderson. On ancient holly. James's Hill, New Forest. small
LARGE
Myxophora
Myxophora leptogiifera parasitizing Collema flaccidum. M Sutcliffe. On sycamore, Raasay, Scotland. small
LARGE
Nectriopsis
Nectriopsis lecanodes. M Sutcliffe. Parasitic on Lobaria virens. Ballachuan Hazelwood, Scotland. small
LARGE
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
Normandina
Normandina pulchella. M Sutcliffe. On ash. Torridon, Wester Ross, Scotland. small
LARGE
Normandina pulchella. M J Simms. On Degelia atlantica. Hazel woodland. Fahee North, Carran, The Burren, Co. Clare. small
LARGE
Ochrolechia
Ochrolechia androgyna. M Sutcliffe small
LARGE
Ochrolechia androgyna. M Sutcliffe. On coastal schist. Isle of Arran, Scotland. large
Ochrolechia androgyna. M Sutcliffe. On riverside sycamore. near Haltwhistle, Northumberland. large
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
Ochrolechia frigida. Dave Genney small
LARGE
Ochrolechia inaequatula. M Sutcliffe. On short, trampled, coastal grassland. East Lothian, Scotland. small
LARGE
Ochrolechia microstictoides. M Sutcliffe. On pine bark. Loch Maree, Wester Ross, Scotland. small
LARGE
Ochrolechia microstictoides. M Sutcliffe. On pine wood. Mar Lodge Estate, Braemar, Scotland. small
LARGE
Ochrolechia parella. M Sutcliffe small
LARGE
Ochrolechia parella. M Sutcliffe. On coastal rocks. Kynance Cove, The Lizard, Cornwall, England. small
LARGE
Ochrolechia subviridis. M Sutcliffe. On old oak. Dalavich oakwood, Scotland. small
LARGE
Ochrolechia szatalaensis. M Sutcliffe. On rowan. Loch Maree, Wester Ross, Scotland. small
LARGE
small
LARGE
small
LARGE
Ochrolechia tartarea. M Sutcliffe. On sandstone crag, Northumberland, England. small
LARGE
Ochrolechia tartarea. (apothecia emerging). M Sutcliffe small
LARGE
Ochrolechia turneri. M Sutcliffe. On old wood post, Stonehaugh, Northumberland, England. small
LARGE
Opegrapha
Opegrapha calcarea. M Sutcliffe. On coastal shale. Ilfracombe, Devon. small
LARGE
Opegrapha calcarea. M Sutcliffe. On side of church. Isle of Hoy, Scotland. small
LARGE
Opegrapha corticola. Neil Sanderson. On ancient Beech, Mark Ash wood, New Forest. small
LARGE
Opegrapha dolomitica. M Sutcliffe. On limestone cliff. Yew crags, West Allendale, Northumberland. small
LARGE
Opegrapha gyrocarpa. M Sutcliffe. On underhang of shaded coastal schist. Imachar point, Arran, Scotland. small
LARGE
Opegrapha gyrocarpa. Steve Price. On gritstone wall. Combes, Derbyshire. small
LARGE
Opegrapha ochrocheila. M Sutcliffe. On oak. Ardtornish, Lochaline, Scotland. small
LARGE
Opegrapha pulvinata. M Sutcliffe. Parasitic on Dermatocarpon intestiniforme. Gairloch, Scotland. small
LARGE
Opegrapha rupestris. M Sutcliffe. Parasitic on Verrucaria baldensis, on limestone. Wolfscote Dale, Hartington, Derbyshire. small
LARGE
Opegrapha thelotrematis. M Sutcliffe. On Thelotrema. Raasay, Scotland. small
LARGE
Opegrapha varia. M Sutcliffe. On sycamore. Roddam Dene, near Wooler, Northumberland, England. small
LARGE
Opegrapha vermicellifera. Andy Cross. On rain track of old beech. Bignell Wood, New Forest. small
LARGE
Opegrapha vulgata. M Sutcliffe. Shaded mature sycamore. Brodick Castle, Isle of Arran, Scotland. small
LARGE
Opegrapha vulgata. M Sutcliffe. The Cairn, Ilfracombe, Devon. small
LARGE
Opegrapha xerica. M Sutcliffe. Raasay, Scotland. small
LARGE
small
LARGE
Ophioparma
Ophioparma ventosa f. ventosa. M Sutcliffe. On sandstone crag. Pithouse crags, Kielder Forest, Northumberland, England. small
LARGE
Ophioparma ventosa f. subfestiva. M Sutcliffe small
LARGE
Pachyphiale
Pachyphiale carneola. M Sutcliffe. On oak. Lochaline, Morvern, Scotland. small
LARGE
Pachyphiale carneola. M Sutcliffe. On oak. Talladale, Loch Maree, Scotland. small
LARGE
Pannaria
Pannaria conoplea. M Sutcliffe. On oak. Talladale, Loch Maree, Wester Ross, Scotland. small
LARGE
Pannaria rubiginosa. M Sutcliffe. On oak. Lochaline, Morvern, Scotland. small
LARGE
Pannaria rubiginosa. M Sutcliffe. On aspen. Badachro, Wester Ross. small
LARGE
Pannaria rubiginosa. M Sutcliffe. Raasay, Scotland. small
LARGE
Parmelia
Where have all the Parmelias gone?
Parmelia discordans. M Sutcliffe. On base of pine. Loch Maree, Scotland. small
LARGE
Small
LARGE
Parmelia ernstiae. M Sutcliffe. On mature oak. Inverawe Country Park, Taynuilt, Scotland. small
LARGE
small
LARGE
Parmelia ernstiae. M Sutcliffe. On mature oak. Derwent Gorge and Horsleyhope Ravine SSSI, Durham, England. small
LARGE
Small
LARGE
Parmelia omphalodes. M Sutcliffe. Whitchester crag, Bellingham, Northumberland. small
LARGE
Parmelia saxatilis. M Sutcliffe small
LARGE
Parmelia saxatilis. M Sutcliffe. On pine. Loch Maree, Scotland. small
LARGE
Parmelia saxatilis. (fertile). M Sutcliffe. Pithouse crag, Kielder Forest, Northumberland. small
LARGE
Parmelia saxatilis. M Sutcliffe. On tree trunk. Bowlees visitor's centre, Teesdale, England. small
LARGE
Homostegia piggotii. M Sutcliffe. Parasitizing Parmelia saxatilis. Raasay, Scotland. small
LARGE
Parmelia sulcata. M Sutcliffe small
LARGE
Parmelia sulcata. mature and fertile. M Sutcliffe small
LARGE
Parmelia sulcata. M Sutcliffe. Bowlees Visitor's Centre, near Middleton-in-Teesdale, Durham, England. small
LARGE
Parmelia sulcata. Sarah Lovett. On hawthorn. West Somerset, England. small
LARGE
Marchandiomyces corallinus. M Sutcliffe. Parasitic on Parmelia sulcata. Ingram, Northumberland. small
LARGE
Parmeliella
Parmeliella parvula. M Sutcliffe. On oak. Lochaline, Morvern, Scotland. small
LARGE
Parmeliella parvula. M Sutcliffe. On broadleaved tree. Talladale, Loch Maree, Scotland. small
LARGE
Parmeliella parvula. M Sutcliffe. On sycamore. Raasay, Scotland. small
LARGE
Parmeliella triptophylla. M Sutcliffe. On birch. Raasay, Scotland. small
LARGE
Parmelina
Parmelina pastillifera. M Sutcliffe. Sea wall. Ilfracombe, Devon. small
LARGE
Parmelina pastillifera. M Sutcliffe. Sea wall. Ilfracombe, Devon. small
LARGE
Parmelina tiliacea. M Sutcliffe. On lime tree. Whitfield Church, Northumberland. small
LARGE
Parmelinopsis
Parmelinopsis horrescens. Simon Davey. Ganllwyd NNR, Merionethshire. small
LARGE
Parmelinopsis horrescens. Neil Sanderson. On beech, Shave Wood, New Forest. small
LARGE
Parmelinopsis minarum. Neil Sanderson. On oak branch in pasture woodland, New Forest. small
LARGE
Parmeliopsis
Parmeliopsis ambigua. M Sutcliffe. On sandstone. Whitchester Moor, Northumberland, England. small
LARGE
Small
LARGE
Parmeliopsis ambigua. Neil Sanderson. On high cut pine stump. Cadha Beag, Rothiemurchus. small
LARGE
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 reticulatum. John Norton. On beech. Wood crates, New Forest, England. 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 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 membranacea. M Sutcliffe. small
LARGE
Peltigera membranacea. M Sutcliffe. On mossy rocks. Glen Quoich, braemar, Scotland. 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 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 venosa. M Sutcliffe. On heavy metal contaminated shingle. River South Tyne, Northumberland. small
LARGE
Peltigera venosa. M Sutcliffe. small
LARGE
Pertusaria
Pertusaria albescens. M Sutcliffe. On mature oak. Balchroich Meadow, Scotland. small
LARGE
small
LARGE
Pertusaria albescens var. albescens. Neil Sanderson. On sandrock, Eridge Rocks, East Sussex. small
LARGE
Pertusaria albescens var corallina. M Sutcliffe. On sycamore. Raasay, Scotland. small
LARGE
Pertusaria amara. M Sutcliffe. On sycamore. Northumberland, England. small
LARGE
Pertusaria amara. M Sutcliffe. Raasay, Scotland. small
LARGE
Pertusaria amara f. pulvinata. Neil Sanderson. Mark Ash wood, New Forest. small
LARGE
Pertusaria aspergilla. M J Simms. On granite (P+red). Knockiveagh, Co Down, N. Ireland. small
LARGE
Pertusaria borealis. Neil Sanderson. On lignum on fallen pine. Rothiemurchus. small
LARGE
Pertusaria coccodes. M J Simms. On mature ash, Tynan Park, Co. Armagh, Northern Ireland. small
LARGE
Pertusaria coccodes. Dave Genney. Scotland. small
LARGE
Pertusaria coccodes. M Sutcliffe. On sycamore. Raasay, Scotland. small
LARGE
Pertusaria corallina. M Sutcliffe. On sandstone boulder, Queen's crag, Northumberland, England. small
LARGE
Pertusaria excludens. M J Simms. (Showing K+y to r) On granite wall, Legananny, Co. Down, N Ireland. small
LARGE
Pertusaria excludens. M Sutcliffe. On basalt. Dun Caan, Raasay, Scotland. small
LARGE
small
LARGE
Pertusaria hymenea. M Sutcliffe. On sycamore trunk, Score valley, Ilfracombe, Devon. small
LARGE
Pertusaria hemisphaerica. M Sutcliffe. On oak. Great Wood, Durham, England. small
LARGE
Pertusaria lactea. M Sutcliffe. On schist. Glen Quoich, Scotland. small
LARGE
Pertusaria leioplaca. M Sutcliffe. On rowan. Kindrogan Field Centre, Pitlochry, Scotland small
LARGE
Pertusaria leioplaca. M Sutcliffe. On ash. Roddam Dene, near Wooler, Northumberland, England. small
LARGE
Pertusaria multipuncta. John Norton. On oak. Wood crates, New Forest, England. small
LARGE
Pertusaria multipuncta. M Sutcliffe. On birch. Raasay, Scotland. small
LARGE
small
LARGE
Pertusaria ophthalmiza. N Sanderson. On old alder. Loch Ericht, Scotland. small
LARGE
Pertusaria ophthalmiza. M Sutcliffe. On birch. Talladale, Loch Maree, Wester Ross, Scotland. small
LARGE
small
LARGE
Pertusaria pertusa. M Sutcliffe small
LARGE
Pertusaria pertusa. M Sutcliffe. On oak. small
LARGE
Pertusaria pseudocorallina. M Sutcliffe. Volcanic tuff. Bradgate Park, Leicestershire. small
LARGE
Pertusaria velata N Sanderson. On old beech. New Forest. small
LARGE
Petractis
Petractis clausa. Steve Price. On carboniferous limestone, Milldale, Derbyshire. small
LARGE
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 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 tribacioides. M Sutcliffe. On serpentine. The Lizard, Cornwall, England. small
LARGE
Habitat
Physconia
Physconia distorta. M Sutcliffe. On broadleaved tree. Glen Tilt, Scotland. small
LARGE
Physconia distorta. M Sutcliffe. On mature oak. Balchroich Meadow, Scotland. small
LARGE
Physconia enteroxantha. M Sutcliffe. On sycamore. Near Strathdon, Aberdeenshire, Scotland. small
LARGE
Physconia grisea. M Sutcliffe. On wall of church. Norfolk, England. small
LARGE
Physconia perisidiosa N Sanderson. On ash tree in old coppice. Fyfield Down, N Wiltshire. small
LARGE
Piccolia
Piccolia ochrophora. Mark Powell. On elder. Chesterton, Cambridge. small
LARGE
Ascus
Pilophorus
Pilophorus strumaticus. Dave Genney. Scotland. small
LARGE
Small
LARGE
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. Dave Genney. Scotland. 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
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
Polysporina
Polysporina lapponica is now re-named as Polysporina subfuscescens.
Polysporina simplex. M Sutcliffe. On coastal slate. Findlater Castle, Aberdeenshire, Scotland. small
LARGE
Polysporina subfuscescens. M Sutcliffe. Parasitic on Acarospora fuscata. Church window ledge, Leicestershire, England. small
LARGE
Porina
Porina aenea. M Sutcliffe. On oak twig. Ilfracombe, Devon. small
LARGE
Small
Porina borreri. Neil Sanderson. On wound track on old beech, James Hill, New Forest. small
LARGE
Porina hibernica. Neil Sanderson. On old oak, James Hill, New Forest. small
LARGE
Porina linearis. M Sutcliffe. On limestone. High Edge, Derbyshire. small
LARGE
Porina rosei. Ray Woods. Stanner NNR, Radnorshire, Wales. small
LARGE
Porina rosei. Neil Sanderson. On old Oak. James's Hill, New Forest. small
LARGE
Porina rosei. Neil Sanderson. On old oak, James Hill, New Forest. small
LARGE
Porocyphus
Porocyphus kenmorensis. M J Simms. On sandstone within zone of seasonal flooding, Owngar River, near Bantry, Co. Cork, Ireland. small
LARGE
Porpidia
Porpidia cinereoatra. M Sutcliffe small
LARGE
Porpidia crustulata. M Sutcliffe. On granite. Summit of Ben Rinnes, Aberdeenshire. small
LARGE
Porpidia flavocruenta. Alan Fryday. small
LARGE
Porpidia islandica. Alan Fryday. small
LARGE
Porpidia islandica. Alan Fryday. small
LARGE
Porpidia melinodes. M Sutcliffe. On basalt. Dun Caan, Raasay, Scotland. small
LARGE
Porpidia nadvornikiana. Alan Fryday. small
LARGE
Porpidia pachythallina. Alan Fryday. small
LARGE
Porpidia pachythallina. Alan Fryday. small
LARGE
Porpidia platycarpoides M Sutcliffe. On sandstone. Rackwick, Isle of Hoy, Scotland.small
LARGE
Porpidia 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
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 ochrococca. M Sutcliffe. On pine. Loch Maree, 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 crocata. M J Simms. On hazel in woodland, Berneens, The Burren, Ireland. small
LARGE
Pseudocyphellaria crocata. M Sutcliffe. Coille an leathraich woodland, Raasay, Scotland. small
LARGE
Pseudocyphellaria intricata. M Sutcliffe. On mossy rocks in woodland. Lochaline, Scotland. small
LARGE
Pseudocyphellaria intricata. Neil Sanderson. On old Oak. James's Hill, New Forest. small
LARGE
Pseudocyphellaria intricata. Neil Sanderson. On hazel in hazel-ash wood, Coille Thogabhaig, Skye. small
LARGE
Psilolechia
Psilolechia clavulifera (fertile). Mark Powell. On upturned rootplate of windblown tree, Cooper's Hill, Ampthill, Bedfordshire 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
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
Pycnothelia
Pycnothelia papillaria M Sutcliffe. On upland heath. Ward hill, Isle of Hoy, Scotland.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. N 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 macrospora. M Sutcliffe. On sycamore in dense woodland, Ilfracombe, Devon. small
LARGE
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
Ramalina
Ramalina canariensis. M Sutcliffe. On hawthorn in coastal valley. Kynance Cove, The Lizard, Cornwall, England. small
LARGE
Habitat
Ramalina canariensis. M Sutcliffe. Kynance Cove. small
LARGE
Ramalina cuspidata. M J Simms. On hard coastal sandstone. Clogher Head, Co. Louth, Ireland. small
LARGE
Ramalina farinacea. M Sutcliffe. On hawthorn in coastal valley. Kynance Cove, The Lizard, Cornwall, England. small
LARGE
Ramalina fastigiata. M Sutcliffe. On oak twig. Ilfracombe, Devon, England. small
LARGE
Ramalina fastigiata. M Sutcliffe. Sycamore (Acer). Ilfracombe, Devon, England. small
LARGE
Ramalina fastigiata. Sarah Lovett. On hawthorn. West Somerset, England. small
LARGE
Ramalina fraxinea. M Sutcliffe. On rowan. Pitlochry, Scotland. small
LARGE
Ramalina fraxinea. M Sutcliffe. On broadleaved tree. Near Strathdon, Aberdeenshire. small
LARGE
Ramalina lacera. Ray Woods. On oak weatherboards of old barn, Beulah, Brecknock, Wales. small
LARGE
Ramalina siliquosa. M Sutcliffe. Coastal rocks. Arran, Scotland. small
LARGE
Ramalina subfarinacea. M J Simms. On hard coastal sandstone. Clogher Head, Co. Louth, Ireland. small
LARGE
Ramalina subfarinacea. M Sutcliffe. On ruined building. Raasay, Scotland. small
LARGE
small
LARGE
Ramonia
Ramonia chrysophaea. Neil Sanderson. Base rich oak bark. Outwood, Langley Wood NNR, Wiltshire. small
LARGE
Rhizocarpon
Rhizocarpon cinereovirens. Alan Fryday. small
LARGE
Rhizocarpon eupetraeoides. M Sutcliffe. On granite (summit scree). Ben Rinnes, Aberdeenshire. small
LARGE
Spores
Habitat
Rhizocarpon furfurosum. B J Coppins. On vertical rock faces of old copper mine. Tomnadashan Mine SSSI, Scotland. small
LARGE
Rhizocarpon 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. The Lion's face, Braemar, Scotland. small
LARGE
Rimularia
Rimularia furvella. M Sutcliffe. Volcanic tuff. Bradgate Park, Leicestershire. small
LARGE
Rimularia intercedens. M Sutcliffe. Volcanic tuff. Bradgate Park, Leicestershire. small
LARGE
Rinodina
Rinodina efflorescens. John Norton. Parasitised by Melaspilea ochrothalamia. On young oak. Wood crates, New Forest, England. small
LARGE
Rinodina oleae. M Sutcliffe. On old wall. Allensford, Durham, England. small
LARGE
Rinodina oleae. M Sutcliffe. On wall. The rose garden, Saltwell Park, gateshead, England. small
LARGE
Rinodina roboris. M Sutcliffe. On ancient oak. Nettlecombe Court, Williton, Somerset, England. small
LARGE
Small
LARGE
Rinodina sophodes. M Sutcliffe. On oak twig. Ilfracombe, Devon, England. small
LARGE
Rinodina sophodes.. M Sutcliffe. On aspen. Portsoy, Aberdeenshire, Scotland. small
LARGE
Roccella
Roccella fuciformis. M Sutcliffe. Coastal cliff. Valley of the Rocks, Lynton, Devon. small
LARGE
Roccella phycopsis. M Sutcliffe. Coastal cliff. Valley of the Rocks, Lynton, Devon. small
LARGE
Roccella phycopsis. Theresa Greenaway. St Davids, Pembrokeshire, Wales. 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 regularis. M Sutcliffe. On mortar. Stocksfield, Northumberland. small
LARGE
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)
Schismatomma
Schismatomma decolorans. M Sutcliffe. On oak. Great Wood, Eggleston, Durham. small
LARGE
Schismatomma decolorans. M J Simms. small
LARGE
Schismatomma decolorans (fertile). N Sanderson. Fertile and sterile thalli on old beech, New Forest. small
LARGE
Sclerococcum
Sclerococcum griseisporodochium. M Sutcliffe. Parasitic on Opegrapha dolomitica (pale mauve soredia). Yew crags, West Allendale, Northumberland. 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 pruinosum. M Sutcliffe. On SE-facing unshaded sycamore trunk. Longhirst, Northumberland. small
LARGE
Scoliciosporum umbrinum. M Sutcliffe. On rusty cattle grid. Teesdale, Durham, England. small
LARGE
Habitat
Scoliciosporum umbrinum. M Sutcliffe. On gravestone. Whitfield Church, Northumberland. small
LARGE
Skyttea
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 holophaea. M J Simms. On soft limestone on the walls of Carisbrooke Castle, Isle of Wight. 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
Squamarina
Squamarina cartilaginea. M Sutcliffe. On limestone cliff. Lismore Island, scotland. small
LARGE
Stenocybe (not lichenised)
Stenocybe nitida. M Sutcliffe. In moss on oak. Gleann Dubh, Morvern, Scotland. small
LARGE
Stereocaulon
Stereocaulon dactylophyllum. M Sutcliffe. On basalt (whin sill). Brada Hill, Northumberland. 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 dufourii. M Sutcliffe. On siliceous rock outcrop in woodland. Lochaline, Morvern, Scotland. small
LARGE
Sticta dufourii. (with green algal morph) M Sutcliffe. On very shaded conglomerate outcrop under woodland. Dunstaffnage Castle. Dunbeg, Scotland. small
LARGE
Sticta dufourii. (with green algal morph = S. canariensis lobules) M J Simms. On damp basalt cliff, South Woodburn Glen, Carrickfergus, Co. Antrim. small
Sticta fuliginosa. M Sutcliffe. On oak. Lochaline, Morvern, Scotland. small
LARGE
Sticta fuliginosa. Neil Sanderson. On wound track on birch, Falls of Falloch, Glen Falloch, West Perthsire. small
LARGE
Sticta limbata. M Sutcliffe. On mossy coastal rocks, Imachar point, Isle of Arran, Scotland. small
LARGE
Sticta limbata. M Sutcliffe. On magnolia. Brodick Castle, Isle of Arran, Scotland. LARGE
Sticta sylvatica. M Sutcliffe. On sycamore, Brodick Castle, Isle of Arran, Scotland. small
LARGE
Strangospora
Strangospora moriformis. M Sutcliffe. On decorticated Scot's pine. Glen Quoich, Braemar, Scotland. small
Strigula
Strigula tagananae. Neil Sanderson. On old hazel. Termon, The Burren, Ireland. small
LARGE
Strigula taylorii. Neil Sanderson. On beech in wound track. Shave Wood, New Forest. small
LARGE
Synalissa
Synalissa ramulosa. N Sanderson. On Psora lurida limestone slab, old quarries, Portland Bill, England. small
LARGE
Teloschistes
Teloschistes chrysophthalmus. Jeremy Gray. On dead, fallen apple tree. Herefordshire, England. small
LARGE
small
LARGE
Teloschistes chrysophthalmus. Paul Whelan. On hawthorn. Co Cork, Ireland. small
LARGE
Teloschistes flavicans. M Sutcliffe. On serpentine. The Lizard, Cornwall, England. small
LARGE
Habitat
Teloschistes flavicans. Mike Smith. Bardsey Island, Wales. small
LARGE
Tephromela
Tephromela atra. M Sutcliffe. On siliceous wall, Simonburn, Northumberland, England. small
LARGE
MATURE
Tephromela atra. Dave Genney. Coastal boulder. W Scotland. small
LARGE
Tephromela atra var torulosa. M Sutcliffe. On sycamore. Raasay, Scotland. small
LARGE
Thamnolia
Thamnolia vermicularis var. subuliformis. M Sutcliffe. On montane heath. Ben Lawers, Scotland. small
LARGE
Thamnolia vermicularis var. subuliformis. D Genney small
LARGE
Thelidium
Thelidium decipiens. M Sutcliffe. On limestone. High Edge, Derbyshire. small
LARGE
Thelidium papulare. Steve Price. On carboniferous limestone. Peter Dale, Derbyshire. small
LARGE
Thelidium papulare. M Sutcliffe. On limestone, Wolfscote Dale, Derbyshire. small
LARGE
Thelocarpon
Thelocarpon coccosporum. M Sutcliffe. On sandstone headstone. Whitfield Churchyard. Northumberland. small
LARGE
Thelocarpon olivaceum. B J Coppins. On basalt stones in cutting, N-facing slope. small
LARGE
Thelopsis
Thelopsis rubella. John Norton. On beech. Wood crates, New Forest, England. small
LARGE
Thelotrema
Thelotrema lepadinum. M Sutcliffe small
LARGE
Thelotrema lepadinum. M Sutcliffe. On oak. Baldersdale Wood SSSI, Co Durham. small
LARGE
Thelotrema petractoides. M Sutcliffe. On hazel. Ballachuan Hazelwood, Scotland. small
LARGE
Toninia
Toninia aromatica. M Sutcliffe. On flushed, coastal basalt. East Lothian, Scotland. small
LARGE
Toninia aromatica. M Sutcliffe. On side of church. Isle of Hoy, Scotland. small
LARGE
Toninia episema. David Hill. On Aspicilia calcarea. small
LARGE
Toninia sedifolia. M Sutcliffe. On flushed basalt sea cliff. East Lothian, Scotland. small
LARGE
Toninia sedifolia. M Sutcliffe. On limestone, Wolfscote Dale, Derbyshire. small
LARGE
Toninia verrucarioides. M Sutcliffe. On Placynthium nigrum. Lathkill Dale, Derbyshire. small
LARGE
Trapelia
Trapelia coarctata. M Sutcliffe. On sandstone pebble, forest track. Kielder Forest, Northumberland. small
LARGE
Trapelia corticola. M Sutcliffe. On oak. Great Wood, Egglestone, Durham, England. small
LARGE
Trapelia corticola. M Sutcliffe. On pine. Loch Maree, Scotland. small
LARGE
Trapelia glebulosa (previously involuta). M Sutcliffe. In sheltered niche on sea stack. Imachar point, Isle of Arran, Scotland. small
LARGE
Trapelia glebulosa. M J Simms. small
LARGE
Trapelia glebulosa. M Sutcliffe. On basalt. Brada Hill, Northumberland. small
LARGE
Trapelia obtegens. M Sutcliffe. On basalt. Brada Hill, Northumberland. small
LARGE
Trapelia placodioides. M Sutcliffe. On sandstone. Teesdale, Durham. small
LARGE
Trapelia placodioides. M Sutcliffe. On basalt. Brada Hill, Northumberland. small
LARGE
Trapeliopsis
Trapeliopsis flexuosa. M J Simms. On wooden post. Glenhead, near Larne, Co. Antrim, N Ireland. small
LARGE
Trapeliopsis granulosa. M Sutcliffe. On root plate of wind-blown pine. Kielder Forest, Northumberland, England. 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 atrata
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
Umbilicaria
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 cornuta. Robin Crump. Wales. small
LARGE
small
LARGE
Usnea florida. Robin Crump. Wales. 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
Vahliella
Vahliella atlantica. M Sutcliffe. On sea cliff. Rackwick, Isle of Hoy, Scotland. small
LARGE
Verrucaria
Verrucaria amphibia. M Sutcliffe. On basalt, littoral zone. East Lothian, Scotland. small
LARGE
Verrucaria caerulea. M Sutcliffe. On limestone. High Edge, Derbyshire. small
LARGE
Verrucaria calciseda (now Bagliettoa calciseda but you can see it here for free for a limited period). M Sutcliffe. On limestone. High Edge, Derbyshire. small
LARGE
Verrucaria fuscella is now re-named as Placopyrenium fuscellum
Verrucaria maura. M Sutcliffe. On tidal rocks. Am Scriodan, Isle of Arran, Scotland. small
LARGE
Verrucaria mucosa. M Sutcliffe. On wave-polished serpentine below barnacle zone. Kynance cove, The Lizard, Cornwall. small
LARGE
Habitat
Verrucaria mucosa. M Sutcliffe. small
LARGE
small
Verrucaria mucosa. M Sutcliffe. On sandstone. Redpoint beach, near Gairloch, Scotland. Habitat
Verrucaria nigrescens. M Sutcliffe. On siliceous tombstone. Darlington, England. small
LARGE
Verrucaria pinguicula. M Sutcliffe. On limestone boulder. Yew crags, West Allendale, Northumberland. small
LARGE
Vezdaea
Vezdaea aestivalis. M Sutcliffe. Derbyshire. small
LARGE
Vezdaea cobria. National Museum of Wales. Medium
Vezdaea rheocarpa. National Museum of Wales. Medium
Xanthoparmelia
Xanthoparmelia conspersa. M Sutcliffe. Thirlmere, Cumbria, England. small
LARGE
Xanthoparmelia conspersa. M Sutcliffe. On coastal boulders. Drumadoon point, Arran, Scotland. 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 verruculifera. M Sutcliffe. On basalt. Brada Hill, Northumberland. small
LARGE
Xanthoria
Xanthoria aureola. M Sutcliffe. On coastal rocks. Lismore Island, scotland. small
LARGE
Xanthoria calcicola. Jeff Blincow. On gravestone, Brafield, Northampton, England. small
LARGE
Xanthoria calcicola. M Sutcliffe. On coastal wall. Findlater Castle, Aberdeenshire, Scotland. small
LARGE
Xanthoria candelaria. M Sutcliffe. On top of tombstone. Kilmory, Arran, Scotland. small
LARGE
Xanthoria candelaria. M Sutcliffe. On gravestone. Whitfield Church, Northumberland. small
LARGE
Xanthoria elegans. M Sutcliffe. On siliceous wall. Kindrogan Field Centre, Scotland. small
LARGE
Xanthoria elegans. M J Simms. On concrete wall, foot of Slieve Croob, Co. Down, Northern Ireland. small
LARGE
Xanthoria elegans. M Sutcliffe. On a wall. Findlater Castle, Aberdeenshire, Scotland. small
LARGE
Xanthoria parietina. M Sutcliffe. On painted railing. Saltwell Road, Gateshead, England. small
LARGE
Xanthoria parietina . M Sutcliffe. On serpentine. Near Kynance cove, Cornwall, England. small
LARGE
Small
LARGE
Xanthoria parietina. M Sutcliffe. On a wall. Findlater Castle, Aberdeenshire, Scotland. small
LARGE
Xanthoria parietina. M Sutcliffe. Shade form on sycamore. Teesdale, England. small
LARGE
Xanthoria polycarpa. M Sutcliffe. On top of tombstone. Kilmory, Arran, Scotland. small
LARGE
Xanthoria polycarpa. M Sutcliffe. On broadleaved twig (With X. parietina lobe upper right). Saltwell Park, Gateshead, England. small
LARGE
Small
LARGE
Xanthoria ucrainica. M Sutcliffe. On volcanic tuff. Bradgate park, leicestershire. small
LARGE
Xerotrema
Xerotrema quercicola. Neil Sanderson. On standing dead Oak. Ashurst Wood, New Forest. small
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
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