Irish lichens

Cladonia arbuscula

Order: Lecanorales       Family: Cladoniaceae

Species: Cladonia arbuscula
Reindeer lichen

Identification uncertain: photographs probably C. portentosa

Growth type fruticose.
Photos: On coastal rock. Rock Island, Co. Cork, SW Ireland.

Primary thallus granular, not persisting. Podetia greyish-green tinged yellow with darker patches. Much branched with axils open. The terminal branches are strongly recurved in +/- one direction. Forms tufted mats to 8cm high.

Scattered distribution on upland peat moors, acid heaths and dunes. K-, C-, KC+ yellow, P+ yellow, UV-

Similar: C. ciliata. Only tips of branches recurved, P+ red


Cladonia arbuscula


Cladonia arbuscula


Cladonia arbuscula
Cladonia arbuscula. June 2009

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