Scientific Name Collected By Identified By Date Collected Date Identified Family Institution Catalog Number Type Status
identified Placynthium nigrum Clifford M. Wetmore Henssen 1959-06-20 1962 UPS L-108519
identified Placynthium stenophyllum William A. Weber Henssen 1939-07-22 1963 Placynthiaceae COLO COLO-L-0035676
identified Placynthium nigrum (Huds.) Gray Clifford M. Wetmore Original det. Henssen 20 June 1959 Placynthiaceae B 144707