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

Brown University - Algae
Catalog #: ABRU00004480
N. L. Gardner s.n. 18 November 1905
Scytonema guyanense Bornet & Flahault
United States, California, University of California, Berkeley, CA

Rutgers University, Chrysler Herbarium - Macroalgae Collection
Catalog #: CHRB0021452
N.L. Gardner s.n. 18 November 1905
Scytonema guyanense Bornet & Flahault
United States, California, University of California, Berkeley

Michigan State University Algae
Catalog #: MSC0184644
N.L. Gardner #s.n. 18 November 1905
Scytonema guyanense Bornet & Flahault
United States, California, Alameda, University of California, Berkeley

Miami University - Algae
Catalog #: 000210561
N.L. Gardner #s.n. 18 November 1905
Scytonema guyanense Bornet & Flahault
United States, California, Alameda, University of California, Berkeley

Yale University Herbarium
Catalog #: YU.094951
Nathaniel Lyon Gardner s.n. 18 November 1905
Scytonema guyanense Bornet & Flahault
United States, California, University of California, Berkeley, CA