Observation 174340: Usnea amblyoclada (Müll. Arg.) Zahlbr.
When: 2014-08-17
No herbarium specimen

Proposed Names

1% (2)
Recognized by sight: Looks like Spanish moss, growing from cracks in granite.

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Eye3 = Observer’s choice
Eyes3 = Current consensus

Comments

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Sorry, yes, K= KOH. :)
By: Jason Hollinger (jason)
2014-08-17 18:34:22 CDT (-0500)
K is KOH?
By: Patrick Harvey (pg_harvey)
2014-08-17 18:21:42 CDT (-0500)
Also limited choices for saxicolous Usnea in the Ozarks
By: Jason Hollinger (jason)
2014-08-17 14:07:55 CDT (-0500)

Only two species common on rock, U. amblyoclada and U. subscabrosa. The latter in my limited experience is more droopy (pendant), but the real test is chemistry of the medulla: U. amblyoclada is K+ red, U. subscabrosa is K-.

Created: 2014-08-17 12:27:58 CDT (-0500)
Last modified: 2014-08-17 18:21:19 CDT (-0500)
Viewed: 18 times, last viewed: 2017-06-18 16:01:38 CDT (-0500)
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