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Observation 12116: Parmelia sulcata Taylor

When: 2008-10-05

Collection location: Southeast Portland, Multnomah Co., Oregon, USA [Click for map]

Who: Daniel B. Wheeler (Tuberale)

No specimen available

Notes:
Found on same birch twig as observation 12115. This lichen is leafy, with black back reverse, and white raised veins on the surface. Reverse is black. Photo is an extreme close-up, about as close as I can focus. Width of specimen in photo is about 1.5 inches across.

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Proposed Names

5% (2)
Recognized by sight
56% (1)
Recognized by sight: those reticulate white “veins” on the surface (pseudocyphellae) are distinctive, together with black underneath

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= Observer’s choice
= Current consensus

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