Collema fuscovirens Collemataceae
Collema fuscovirens

Growth type foliose
Chemical results negative

On sunny limestone outcrops, the top of table tombs and dry stone walls

Leathery thallus, the dark olive-green to blackish lobes paler below and swelling little when wet. Lobe surfaces are isidiate, the isidia smaller than those of Collema auriforme. Apothecia are sparse or frequent, margins smooth or isidiate.


Collema fuscovirens


Collema fuscovirens
Collema fuscovirens
Corfe Mullen, Dorset. January 2014

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