lichen-Flavopunctelia soredica

Flavopunctelia soredica

Flavopunctelia sorediata

Flavopunctelia sorediata photo by Bob Klips

DIAGNOSTIC FEATURES: Yellow-green thallus; elongated marginal soralia, often crescent-shaped; pseudocyphellae minute or absent; medulla C+ red; compare with F. flaventior which is pseudocyphellate, and with Allocetraria oakesiana which has marginal pycnidia, medulla C-.

ECOLOGY: Found in boreal and Rocky Mountains states; widely distributed in Ohio but not abundant at any location; on bark only.

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