Observation 65948: Usnea intermedia (A. Massal.) Jatta
When: 2011-03-24
Herbarium specimen reported

Notes: Common on doug fir trunks especially in northern ravine. Bushy, papillose, not constricted, dark base, few fibrils on back of apothecia, not red, medulla very lax.

(Note: Brodo et al. 2001 calls this U. arizonica.)

Species Lists


apothecia at 10x
secondary branches with abundant papillae at 10x
secondary branch at 30x

Proposed Names

87% (1)
Eye3 Eyes3
Used references: Lichen Flora of the Greater Sonoran Desert Region, Vol. III, 2007 (treatment by Clerc)
Based on chemical features: medulla K+y to r

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Eye3 = Observer’s choice
Eyes3 = Current consensus


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Created: 2011-04-23 01:36:51 BST (+0100)
Last modified: 2011-04-23 01:43:05 BST (+0100)
Viewed: 44 times, last viewed: 2017-06-09 15:21:48 BST (+0100)
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