Observation 319067: Usnea Dill. ex Adans.

When: 2017-07-26

Collection location: Robert Sibley Volcanic Regional Preserve, Oakland, California, USA [Click for map]

Who: Pgrunow

No specimen available

Notes:
small, shrubby, thick-branched and dark green Usnea
cortex thin; medulla thick, loose, seemed unpigmented
soralia large; granular soredia; not isidiate; in size, larger than half of branch diameter when mature, and frequently grouping and abundant on terminal branches, sometimes excavate
some inflations/constrictions present

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Proposed Names

57% (1)
Recognized by sight
29% (1)
Recognized by sight: see notes
Used references: CNALH, California Lichens, North Hills Wildlife, Key to European Lichens, Lucy Taylor ID sketches, Inaturalist
Based on microscopic features: specimens magnified

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= Observer’s choice
= Current consensus

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Created: 2018-06-08 15:26:16 MDT (-0600)
Last modified: 2018-08-04 09:14:19 MDT (-0600)
Viewed: 22 times, last viewed: 2018-12-30 04:18:43 MST (-0700)
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