Observation 174340: Usnea amblyoclada (Müll. Arg.) Zahlbr.

When: 2014-08-17

Collection location: Lower Rock Creek, Fredericktown, Missouri, USA [Click for map]

Who: Patrick Harvey (pg_harvey)

No specimen available

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)
2014-08-18 01:34:22 CEST (+0200)
K is KOH?
By: Patrick Harvey (pg_harvey)
2014-08-18 01:21:42 CEST (+0200)
Also limited choices for saxicolous Usnea in the Ozarks
By: Jason Hollinger (jason)
2014-08-17 21:07:55 CEST (+0200)

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 19:27:58 CEST (+0200)
Last modified: 2014-08-18 01:21:19 CEST (+0200)
Viewed: 18 times, last viewed: 2017-06-18 23:01:38 CEST (+0200)
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