Shirley C. Tucker Herbarium at Louisiana State University (LSU:Lichens)
LSU00150287
763dfaa0-7ce5-43d0-830c-ada7cebc0d4c
167584
13
Umbilicaria pensylvanica Hoffm.
Umbilicariaceae
Plants brown, polyphyllous, extremely fragile and tightly attached to rock; underside of thallus coarsely papillose, usually dark; thallus pruinose only in region of umbo.
W. A. Weber
18594
1959-03-12
Sam Shushan
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
lat/long = center of W side of Steamboat Mt; uncertainty = extent of W side of Steamboat Mt