Observation 53551: Chrysothrix candelaris (L.) J.R. Laundon
When: 2010-07-11
No herbarium specimen

Notes: Habitat: Growing on a huge Black Cottonwood, Populus trichocarpa, beside the Avalanche Creek nature trail in Glacier National Park.

Identification: DeBolt and McCune (1993, p.195) list two species of Chrysothrix in Glacier National Park: candelaris growing on bark, and chlorina growing on rocks. For years, people have been identifying Chrysothrix by making this simple distinction based on substrate, but more recently a number of new species of Chrysothrix have been described from eastern North America, so western material might bear re-examination.

Reference:
Ann DeBolt and Bruce McCune, Lichens of Glacier National Park, Montana, The Bryologist, Vol. 96, No. 2 (Summer, 1993), pp. 192-204.

Proposed Names

28% (1)
Eye3 Eyes3
Used references: Brodo, Sharnoff, and Sharnoff, 2001, p.223

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Eye3 = Observer’s choice
Eyes3 = Current consensus

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Created: 2010-09-23 13:13:19 CDT (-0500)
Last modified: 2010-09-23 13:27:49 CDT (-0500)
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