Collins, Holden & Setchell, Phycoth. Bor.-Amer.
Collins, F.S.; Holden, I.; Setchell, W.A. [1-2300]

Brown University - Algae
Catalog #: ABRU00004525
N. L. Gardner s.n. 22 May 1906
Oscillatoria amphibia C.Agardh
United States, California, Silver Lake, Golden Gate Park, San Francisco, CA

Michigan State University Algae
Catalog #: MSC0182734
N.L. Gardner #s.n. 22 May 1906
Geitlerinema amphibium (C.Agardh ex Gomont) Anagnostidis
United States, California, San Francisco, Silver Lake, Golden Gate Park

Miami University - Algae
Catalog #: 000189128
N.L. Gardner #s.n. 22 May 1906
Geitlerinema amphibium (C.Agardh ex Gomont) Anagnostidis
United States, California, San Francisco, Silver Lake, Golden Gate Park

Yale University Herbarium
Catalog #: YU.094996
Nathaniel Lyon Gardner s.n. 22 May 1906
Oscillatoria amphibia C.Agardh
United States, California, San Francisco, San Francisco; Silver Lake, Golden Gate Park, San Francisco, CA