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Parmeliaceae
Flavoparmelia caperata Growth type foliose. Medulla and soredia K+/- dirty yellow, C-, KC+ red, P+ orange-red Common on well-lit acid-barked trees, fences, headstones, siliceous rocks Thallus is bluish-grey to apple-green with wrinkled lobes and coarse granular soredia. Under surface black with light-brown margins and simple rhizines. Apothecia are occasional, the margins sorediate. (Photo below) Sometimes host to Abrothallus microspermus and its anamorph Vouauxiomyces truncatus Similar: Flavoparmelia soredians. K+ yellow slowly turning red |
Flavoparmelia caperata