Petrak, Crypt. Exs.
Petrak [3201 - 4700]

University of Colorado, Museum of Natural History Herbarium Bryophyte Collection
Catalog #: COLO-B-0045560
K. H. Rechinger #s.n. 11 April 1953
Pseudobraunia californica (Lesq.) Broth.
United States, California, Lake, St. Helena Bridge, auf Serpentin