Observation 12724: Usnea Dill. ex Adans.

When: 2008-10-16

Collection location: Cape Lookout State Park, Tillamook Co., Oregon, USA [Click for map]

Who: Daniel B. Wheeler (Tuberale)

No specimen available

Main branches of this lichen are lime green, with white dots of the main stalk; side branches are sometimes blackish banded, with a black core sometimes visible where the outer membrane has been taken off; area closest to the base of the stalk is dark bluish-black, but with definate blue highlights (see last photo, extreme right).


Proposed Names

5% (2)
Recognized by sight
84% (1)
Recognized by sight: Might be C. fragilescens. It is clearly “inflated” (common feature of coastal Usnea). The blackened areas are probably necrotic areas.
57% (1)
Used references: Brodo, p. 714.

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= Observer’s choice
= Current consensus


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Created: 2008-10-17 04:05:22 CDT (-0400)
Last modified: 2008-10-17 04:05:22 CDT (-0400)
Viewed: 7 times, last viewed: 2019-01-23 13:47:26 CST (-0500)