Crustose, placodioid and leprose lichens found in Ireland: C

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).

Caloplaca arnoldii Caloplaca aurantia Caloplaca ceracea Caloplaca cerina Caloplaca cerina Caloplaca cerinella Caloplaca citrina sens lat Caloplaca citrina sens str Caloplaca crenularia Caloplaca decipiens Caloplaca decipiens Caloplaca ferruginea Caloplaca flavescens Caloplaca flavocitrina Caloplaca flavocitrina Caloplaca flavovirescens Caloplaca holocarpa Caloplaca lactea Caloplaca marina Caloplaca maritima Caloplaca microthallina Caloplaca oasis Caloplaca ochracea Caloplaca phlogina Caloplaca saxicola Caloplaca teicholyta Caloplaca thallincola Caloplaca thallincola Caloplaca variabilis Caloplaca verruculifera Caloplaca Candelariella aurella Candellariella coralliza Candelariella medians Candelariella reflexa Candelariella vitellina Candelariella vitellina Catillaria chalybeia Catillaria chalybeia Catillaria chalybeia Catillaria lenticularis Catillaria nigroclavata Catillaria nigroclavata Catinaria atropurpurea Chrysothrix  candelaris Clauzadea chondrodes Clauzadea immersa Clauzadea monticola Clauzadea monticola Cliostomum griffithii Cliostomum tenerum Collemopsidium foveolatum Collemopsidium foveolatum Cresponea premnea Cresponea premnea

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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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