Observation 50493: Xanthoparmelia chlorochroa (Tuck.) Hale
When: 2010-07-04
No herbarium specimen
0 Sequences

Locality: Green Mountain Reservoir, 15 mi southeast of Kremmling, White River National Forest, Colorado, USA, el. 7,400 ft

Identification: A soil-inhabiting Xanthoparmelia living in the dry, intermontane, high country of Colorado. Species to consider include the following (characterizations from Nash, vol.2, p.569):
chlorochroa (thallus strongly convoluted, free-living)
wyomingica (thallus compact, often densely imbricate, … lobes short and revolute at tips; alpine).
Photos by Sharnoff illustrate the two species. The present photos seem to be a better match for Xanthoparmelia chlorochroa, while MO Observation 48159 from Rocky Mountain National Park a short distance to the east, and at a much higher elevation, matches Xanthoparmelia wyomingica.

Sharnoff’s Xanthoparmelia chlorochroa gallery
Sharnoff’s Xanthoparmelia wyomingica gallery

Proposed Names

61% (2)
Eye3 Eyes3
Used references: Nash, vol.2, p.569

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Eye3 = Observer’s choice
Eyes3 = Current consensus


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Created: 2010-08-16 18:15:41 PDT (-0700)
Last modified: 2010-08-16 22:45:50 PDT (-0700)
Viewed: 113 times, last viewed: 2016-10-23 09:56:20 PDT (-0700)
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