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Observation 13348: Usnea Dill. ex Adans.

When: 2008-11-01

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

Who: Daniel B. Wheeler (Tuberale)

No specimen available

Maybe more photos of Sphaeophorus glabrosus, but would appreciate confirmation. Mostly globular fronds in cross-section, with white projections on fronds. Thought this originally was a Usnea, with a dark brown to black core. But globosus seems to identify the fronds more closely.


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Definitely Usnea
By: Jason Hollinger (jason)
2008-11-02 10:07:18 PST (-0800)

Sphaerophorus globosus wouldn’t have the little papillae or tubercles covering the main stem. S. globosus is more cauliflower-like, Usnea is more loosely-branched like a tangled or bushy beard.