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

Brown University - Algae
Catalog #: ABRU00004079
N. L. Gardner s.n. 22 July 1906
Phormidium luridum (Kützing) Gomont
United States, California, University of California, Berkeley, CA

Michigan State University Algae
Catalog #: MSC0183247
N.L. Gardner #s.n. 22 July 1906
Leptolyngbya lurida (Gomont) Anagnostidis & Komárek
United States, California, Alameda, University of California, Berkeley

Miami University - Algae
Catalog #: 000188422
N.L. Gardner #s.n.
Leptolyngbya lurida (Gomont) Anagnostidis & Komárek
United States, California, Alameda, University of California, Berkeley

Yale University Herbarium
Catalog #: YU.094387
Nathaniel Lyon Gardner s.n. 22 July 1906
Phormidium luridum (Kützing) Gomont
United States, California, University of California, Berkeley, CA