Shirley C. Tucker Herbarium at Louisiana State University
Catalog #: LSU00150287
Occurrence ID (GUID): 763dfaa0-7ce5-43d0-830c-ada7cebc0d4c
Secondary Catalog #: 167584; Exsiccati 13
Taxon: Umbilicaria pensylvanica Hoffm.
Family: Umbilicariaceae
ID Remarks: Plants brown, polyphyllous, extremely fragile and tightly attached to rock; underside of thallus coarsely papillose, usually dark; thallus pruinose only in region of umbo.
Collector: W. A. Weber   18594   
Date: 1959-03-12
Additional Collectors: Sam Shushan
Locality: United States, Colorado, Boulder, West base of Steamboat Mountain, foothills of Front Range 2 miles N. W. of Lyons.
40.2399  -105.28587 +-900m.  WGS84
Georeference Remarks: lat/long = center of W side of Steamboat Mt; uncertainty = extent of W side of Steamboat Mt
Elevation: 1900 meters (6232ft)
Habitat: Abundant on north face of cliffs above stream.
Exsiccati series: Lichenes Exsiccati Distributed by the University of Colorado Museum, Boulder; William A. Weber, Curator #13
Specimen Images
Record ID: 763dfaa0-7ce5-43d0-830c-ada7cebc0d4c
For additional information on this specimen, please contact: Jennifer S. Kluse, Collections Manager (
Current Record
Shirley C. Tucker Herbarium at Louisiana State University (LSU:Lichens)
W. A. Weber 185941959-03-12
Catalog Number: LSU00150287
GUID: 763dfaa0-7ce5-43d0-830c-ada7cebc0d4c
Latest Identification: Umbilicaria pensylvanica Hoffm.

Field Museum of Natural History (F)
W. A. Weber & S. Shushan 185941959-03-12
Catalog Number: C1001271F
GUID: 0dc039aa-eeb0-4c40-b714-4cf6c2c3d863
Latest Identification: Lasallia pennsylvanica (Hoffm.) Llano

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