When: 2009-07-21

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

Who: Daniel B. Wheeler (Tuberale)

No specimen available

Notes:
An Usnea species, with white dots, white tough core. Growing on bark of Quercus palustra.

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Proposed Names

19% (2)
Recognized by sight
28% (1)
Used references: Lichens of North America: this is the only inflated, bushy species without isidia or fibrils mentioned — just a guess.

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= Observer’s choice
= Current consensus

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