Rutgers University, Chrysler Herbarium - Lichen Collection (CHRB)
CHRB-L-0002508
98a316ff-9fd7-4722-8ebe-4f2419459b37
Lasallia pensylvanica (Hoffm.) Llano
Umbilicariaceae
W.A. Weber and S. Shushan (1959)
W.A. Weber
S 18,594
1959-03-12
S.Shushan
United States, Colorado, Boulder, west base of Steamboat Mountain, foothills of Front Range 2 miles NW of Lyons.
1900 meters (6232ft)
Abundant on north face of cliffs above stream
Plants brown, extremely fragile and tightly attched to rock; underside of thallus coarsely papillose, usually dark; thallus pruinose only in region of umbo