Platismatia glauca #

Taxon #

Platismatia glauca

Organization #

Rag-Like Parmelioids

Identification #

A foliose lichen which is usually irregularly lobed but sometimes forming neat rosettes or shields, especially in sunny sites on large logs such as on beached or logjammed driftwood. Usually pale shades of white, green, gray, becoming yellowed and browned when at forest margins or especially sunny areas. Having the well-earned common name of “varied rag lichen”, this species has specimens which are commonly esorediate or sorediate, rarely isidiate, and extremely rarely apotheciate.

Substrate #

Ramicolous, corticolous, lignicolous, rarely saxicolous or on human-made substrates like painted metal.

Chemical Tests #

cortex: K+ yellow, C-, KC-, Pd+ yellow; medulla: K-, C-, KC-, Pd-, UV- (CLH)

Notes #

Common in forests (need to load CLH map)

Photos #