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

Brown University - Algae
Catalog #: ABRU00004961
F. S. Collins s.n. 14 December 1915
Phormidium valderianum Gomont
Bermuda, near old race course, Bermuda

Michigan State University Algae
Catalog #: MSC0183269
F.S. Collins #s.n. 14 December 1915
Leptolyngbya valderiana (Gomont) Anagnostidis & Komárek
Bermuda, near old race course

Miami University - Algae
Catalog #: 000210191
F.S. Collins #s.n. 14 December 1915
Leptolyngbya valderiana (Gomont) Anagnostidis & Komárek
Bermuda, near old race course

Yale University Herbarium
Catalog #: YU.095427
Frank Shipley Collins s.n. 14 December 1915
Phormidium valderianum Gomont
Bermuda, near old race course, Bermuda