St. Clair & Leavitt, Anderson & Shushan Lich. W. N. Amer. [Provo (Utah), no. 6]
St. Clair, L.L.; Leavitt, S.D. [151-175]
IndExs #2147199881

New York Botanical Garden
Catalog #: 04424003
9d949f04-c512-4146-aea2-757c145dfae4
S. Shushan #sl-871 08 February 1962
Umbilicaria americana Poelt & T.H.Nash
United States of America, Colorado, Jefferson Co., Coal Creek Canyon, 13.3 km southeast of Pinecliffe.

University of Wisconsin - Madison
Catalog #: WIS-L-0152388
Sam Shushan #sl-871 08 February 1962
Umbilicaria americana Poelt & T.H. Nash
United States, Colorado, Jefferson, Coal Creek Canyon, 13.3 km southeast of Pinecliffe