Cladonia species in Ireland

Cladonia species usually have a crustose or squamulose primary thallus followed by a secondary fruticose thallus comprised of hollow stalk-like podetia with fruiting bodies at the tips. Please click on the images to see details and larger photographs. Glossary (opens in new window).

N.B: When testing for K reaction it is best to test the lower portion of the podetia. The apothecia and pycnidia of all the red-fruited Cladonia species give K+ red to purple and the underside of their basal squamules also gives a general K+ reaction.

Cladonia arbuscula Cladonia arbuscula Cladonia bellidiflora Cladonia bellidiflora Cladonia cervicornis ssp cervicornis Cladonia cervicornis ssp cervicornis Cladonia chlorophaea Cladonia ciliata var ciliata Cladonia ciliata var tenuis Cladonia ciliata var tenuis Cladonia coccifera Cladonia coniocraea Cladonia crispata Cladonia crispata Cladonia diversa Cladonia diversa Cladonia fimbriata Cladonia fimbriata Cladonia floerkeana, Devil's Matchsticks Cladonia furcata Cladonia furcata Cladonia gracilis Cladonia gracilis Cladonia humilis Cladonia humilis Cladonia macilenta Cladonia macilenta Cladonia ochrochlora Cladonia pocillum Cladonia pocillum Cladonia polydactyla Cladonia polydactyla Cladonia polydactyla Cladonia portentosa Cladonia portentosa Cladonia pyxidata Cladonia pyxidata Cladonia ramulosa Cladonia ramulosa Cladonia ramulosa Cladonia rangiformis Cladonia rangiformis Cladonia squamosa Cladonia squamosa Cladonia squamosa ssp subsquamosa Cladonia squamosa ssp subsquamosa Cladonia subcervicornis Cladonia subcervicornis Cladonia subulata Cladonia subulata Cladonia uncialis subsp biuncialis Cladonia uncialis subsp biuncialis Cladonia Cladonia

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Crustose, Placodioid, Leprose    Squamulose    Foliose lichens    Cladonia's    Fruticose, Filamentous    Lichenicolous
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