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

Brown University - Algae
Catalog #: ABRU00005038
N. L. Gardner s.n.
Schizogonium murale Kützing
United States, California, Golden Gate Park, San Francisco, CA

Field Museum of Natural History
Catalog #: C0527556F
N. L. Gardner #s.n. 00 May 1915
Schizogonium murale Kützing
United States, California, San Francisco, Golden Gate Park

University of Michigan
Catalog #: 731976
N.L. Gardner #s.n. 00 March 1915
Schizogonium murale Kützing
United States, California, San Francisco, Golden Gate Park

Michigan State University Algae
Catalog #: MSC0184603
N.L. Gardner #s.n. 00 March 1915
Schizogonium murale Kützing
United States, California, San Francisco, Golden Gate Park

Miami University - Algae
Catalog #: 000210262
N.L. Gardner #s.n. 00 March 1915
Schizogonium murale Kützing
United States, California, San Francisco, Golden Gate Park

Yale University Herbarium
Catalog #: YU.095505
Nathaniel Lyon Gardner s.n.
Schizogonium murale Kützing
United States, California, San Francisco, San Francisco; Golden Gate Park, San Francisco, CA