Caloplaca austrocitrina Teloschistaceae
Flavoplaca austrocitrina (Caloplaca austrocitrina)

Growth type crustose
Chemical results: K+ crimson

Probably the most frequent of a group of species previously recorded as Caloplaca citrina

Yellowish-green thallus, the tiny squamules becoming completely covered by soredia. Apothecia are frequent, the discs yellow-orange with yellowish, sorediate margins.

Caloplaca austrocitrina
Caloplaca austrocitrina
Corfe Mullen and Sturminster Marshall, Dorset. January 2014, March 2015

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