Observation 13015: Usnea Dill. ex Adans.

When: 2008-10-21

Collection location: Larch Mountain, Multnomah Co., Oregon, USA [Click for map]

Who: Daniel B. Wheeler (Tuberale)

No specimen available

Cylindrical gray-green stems (brown to near black at base), with tiny white extensions along the stems. Looks like a blackish or dark brown core, suggesting Usnea, but the stems were relatively plump and round in cross-section.


Proposed Names

19% (2)
Recognized by sight
85% (1)
Recognized by sight: Sphaerophorus have a somewhat different overall color and habit (it’s less loosely-branched, with a very well-defined thick whitish central stem), but the real difference is the stretchy cord in the center of Usnea.

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= Observer’s choice
= Current consensus


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