Underwood & Cook, Hepat. Amer.
Underwood, L.M.; Cook, O.F. [1 - 200]

University of Wisconsin - Madison
Catalog #: WIS-B-0029516
[Collector unspecified] #s.n. 00 August 1888
Porella navicularis (Lehm. & Lindenb.) Pfeiff.
United States, California, Santa Cruz Mts.