Crustose, placodioid and leprose lichens found in Ireland: M-O

A-B     C     D-K     L     M-O     P-Q     R-S     T-Z
Crustose lichens form thick or thin crusts that are firmly attached and cannot be removed without part of the substratum. Placodioid lichens are crustose but lobed at the margins and leprose lichens have a powdery appearance. Please click on the images to see details and larger photographs. Glossary (opens in new window).

Megalaria grossa Megalaria grossa Megalaria pulverea Megalospora tuberculosa Micarea botryoides Micarea coppinsii Micarea denigrata Micarea denigrata Micarea denigrata Micarea lignaria var endoleuca Micarea lignaria var lignaria Micarea micrococca Micarea micrococca Micarea peliocarpa Micarea peliocarpa Micarea peliocarpa Micarea prasina sens lat Micarea prasina sens lat Mixtoconidium insidens (Mixtoconium canariense) Mixtoconidium insidens (Mixtoconium canariense) Mycobilimbia pilularis Mycobilimbia pilularis Mycoblastus caesius Mycoblastus caesius Mycoporum antecellens Mycoporum antecellens Myriolecis actophila, Lecanora actophila Myriolecis albescens, Lecanora albescens Myriolecis dispersa, Lecanora dispersa Myriolecis dispersa, Lecanora dispersa Myriolecis hagenii, Lecanora hagenii Myriolecis persimilis, Lecanora persimilis Myriolecis persimilis, Lecanora persimilis Myriolecis sambuci (Lecanora sambuci) Myriolecis sambuci (Lecanora sambuci) Myriospora smaragdula, Acarospora smaragdula Myriospora smaragdula, Acarospora smaragdula Naetrocymbe nitescens, Arthopyrenia nitescens Naetrocymbe punctiformis, Arthopyrenia punctiformis Nectriopsis physciicola Nectriopsis physciicola Normandina acroglypta Normandina acroglypta Ochrolechia androgyna Ochrolechia androgyna Ochrolechia parella Ochrolechia parella Ochrolechia subviridis Arthonia atra, Opegrapha atra Arthonia calcarea, Opegrapha calcarea Opegrapha cesareensis Gyrographa gyrocarpa, Opegrapha gyrocarpa Alyxoria culmigena, Opegrapha herbarum Opegrapha multipuncta Opegrapha niveoatra Opegrapha niveoatra Phacothecium varium, Opegrapha physciaria Opegrapha rupestris Opegrapha vermicellifera Alyxoria viridipruinosa (Opegrapha viridipruinosa) Zwackhia viridis, Opegrapha viridis Opegrapha vulgata Opegrapha vulgata Opegrapha zonata, Enterographa zonata Orcularia insperata, Rinodina biloculata Orcularia insperata, Rinodina biloculata

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Crustose, Placodioid, Leprose       Squamulose           Foliose        Cladonia    Fruticose, Filamentous    Lichenicolous
AB, C, DK, L, MO, PQ, RS, TZ AC, DF, GL, MO, PQ, RZ

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