British Lichens  
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Leafy and squamulose lichens

Squamulose lichens (small to tiny flakes)


Hypocenomyce scalaris Xylopsora friesii Lichenomphalia hudsoniana Normandina pulchella Thalloidima sedifolium Toniniopsis aromatica Toniniopsis verrucarioides Lopadium disciforme Agonimia tristicula Parmeliella parvula triptophylla Psoroma hypnorum Protopannaria pezizoides Squamarina cartilaginea Squamarina lentigera Catapyrenium cinereum Placidium squamulosum Acarospora cervina Solenopsora holophaea Arthrorhaphis aeruginosa Fuscopannaria mediterranea Massalongia carnosa Fulgensia fulgens Schaereria cinereorufa Psora decipiens Candelariella xanthostigmoides Acarospora moenium Romjularia lurida


Leafy lichens (foliose)


Green to greenish-brown


Ricasolia virens Lobaria pulmonaria wet Peltigera leucophlebia Peltigera britannica Peltigera venosa Peltigera malacea Peltigera didactyla Melanelixia glabratula Melanohalea exasperata Melanohalea exasperatula Melanohalea laciniatula Melanohalea elegantula Melanelixia subaurifera Tuckermannopsis chlorophylla Solorina crocea Solorina saccata Dermatocarpon luridum Catapyrenium psoromoides Pleurosticta acetabulum Pseudocyphellaria aurata

Grey, blue-grey to grey-green


Peltigera collina Parmotrema perlatum Parmotrema crinitum Parmotrema reticulatum Parmotrema robustum Lobaria pulmonaria dry Parmelia saxatilis s. lat. Parmelia sulcata Parmelia ernstiae Punctelia reddenda Punctelia borreri Punctelia subrudecta Punctelia jeckeri Parmelina carporrhizans Parmelina pastillifera Parmelina tiliacea Dermatocarpon miniatum Dermatocarpon intestiniforme Dermatocarpon leptophyllodes Dermatocarpon meiophyllizum Ricasolia amplissima Menegazzia terebrata Hypotrachyna laevigata Hypotrachyna taylorensis Hypotrachyna revoluta Hypotrachyna afrorevoluta Hypotrachyna afrorevoluta Hypotrachyna sinuosa Xanthoparmelia conspersa Xanthoparmelia mougeotii Phaeophyscia orbicularis Lobarina scrobiculata Hypogymnia physodes Hypogymnia tubulosa Hypogymnia farinacea Evernia prunastri Baeomyces placophyllus Flavoparmelia caperata Parmeliopsis ambigua Parmeliopsis ambigua Parmeliopsis hyperopta Hypogymnia vittata Imshaugia aleurites Heterodermia leucomela Heterodermia obscurata Heterodermia propagulifera Hypogymnia hultenii Pectenia atlantica Pectenia cyanoloma Pectenia plumbea s. str. Pectenia ligulata Physcia tenella Physcia adscendens Physcia tribacioides Physcia tribacia Physcia aipolia Physcia stellaris Physcia clementei Physcia caesia Physconia distorta Physconia grisea Physconia perisidiosa Pseudevernia furfuracea Platismatia glauca Anaptychia ciliaris Flavoparmelia soredians Hypotrachyna minarum Hypotrachyna horrescens Arctoparmelia incurva Hyperphyscia adglutinata Cetrelia olivetorum s.lat. Platismatia norvegica Umbilicaria crustulosa

Brown


Tuckermannopsis chlorophylla Nephroma laevigatum Nephroma parile Nephroma tangeriense Umbilicaria cylindrica Umbilicaria polyrrhiza Umbilicaria torrefacta Umbilicaria deusta Umbilicaria polyphylla Umbilicaria crustulosa Sticta Sylvatica Sticta sylvatica Sticta fuliginosa Sticta dufourii Sticta limbata Melanelixia fuliginosa Parmelia discordans Parmelia omphalodes Nevesia sampaiana Xanthoparmelia loxodes Xanthoparmelia verruculifera Lasallia pustulata Allantoparmelia alpicola Anaptychia runcinata Solorina spongiosa Pseudocyphellaria intricata Pseudocyphellaria intricata? Pseudocyphellaria citrina Platismatia glauca Cetraria islandica Anaptychia mamillata Peltigera hymenina Peltigera hymenina Peltigera praetextata Peltigera rufescens Peltigera horizontalis Peltigera membranacea Peltigera polydactylon Peltigera canina Peltigera neckeri Pannaria rubiginosa Pannaria conoplea Placynthium flabellosum Melanelia hepatizon Physconia enteroxantha Melanohalea septentrionalis

Yellow to Orange


Xanthoria parietina Xanthoria calcicola Xanthoria calcicola Xanthoria elegans Xanthoria candelaria s. lat. Xanthoria polycarpa Xanthoria ucrainica Xanthoria ulophyllodes Candelaria concolor Vulpicida pinastri