lichen-Menegazzia terebrata

Menegazzia terebrata

Menegazzia terebrata

Menegazzia terebrata photo by Ray Showman

DIAGNOSTIC FEATURES: Inflated thallus; holes in upper surface; soredia bursting from lobe tips; medulla K+ persistent yellow, stictic acid; compare with Hypogymnia physodes, which has no holes in upper surface.

ECOLOGY: US distribution is northeastern and Appalachian where it is listed as relatively rare on roadside trees and in swamps and bogs; one Ohio record from Clark County (Biddlecome, 1877); probably extirpated from the state.

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