University of Washington Herbarium
Catalog #: WTU-L-033619
Occurrence ID (GUID): 3addfb9a-2b84-4235-86f2-fb3d48f54a14
Taxon: Porpidia thomsonii Gowan
Family: Lecideaceae
Determiner: K. Glew (2003-11)
ID Remarks: Determined at the University of Washington.
ID References: Gowan-Bryologist 1989 p. 25
Show Determination History
Collector: W. A. Weber   S2150   
Date: 1954-04-18
Verbatim Date: 1954-4-18
Locality: U.S.A., Colorado, Boulder, Trail up northwest slope of Green Mountain, above Twin Springs.
Elevation: 2287-2439 meters Verbatim Elevation: 7500-8000 ft.
Habitat: On arkosic boulders.
Notes: Substrate: saxicolous.
Specimen Images
Rights Holder: University of Washington Herbarium
Record ID: 3567ae74-ea80-46eb-9e99-0301135971f6
For additional information on this specimen, please contact: David Giblin (
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