Species: Cladonia ciliata var. tenuis
Photos: Among moss on acidic rock. Inchigeela, Cork, SW Ireland.
Identified by John Douglass
No squamules. Well-branched (dichotomously) with axils rarely perforated. Podetia pale ashy-grey to green-grey in colour with brownish-purple tips that are turned down at ends and clearly orientated in one direction. Very variable.
Can form large patches among heather stems on heaths and bogs and amongst scree. K-, KC-, P+ red, UV-
Cladonia ciliata var. ciliata is less frequent, lacks usnic acid.
Similar: Cladonia portentosa P-
Reindeer lichen, Cladonia ciliata var. tenuis October 2009