lichen-Cladonia uncialis

Cladonia uncialis

Cladonia uncialis

Cladonia uncialis photo by Ray Showman

Cladonia uncialis photo by Bob Klips

Cladonia uncialis photo by Bob Klips

DIAGNOSTIC FEATURES: Overall yellow-green color; open matlike appearance; podetia usually stiff and brittle; tip branches divergent; shiny surface; inner medullary layer smooth, dotted with white “pruinia”; compare with C. caroliniana which is very stout and has a dull surface and inner medullary layer of closely woven strands. Other Ohio mat-forming Cladonia spp. are either ecorticate, or not yellow-green.

ECOLOGY: An eastern US spcies; scattered in southern Ohio counties on soil almost exclusively, often among moss, frequently found in the “lichen-ericad” association at the rim of sandstone cliffs.

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