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

Brown University - Algae
Catalog #: ABRU00003697
F. S. Collins s.n. 05 July 1901
Phormidium papyraceum (C.Agardh) Kützing ex Gomont
United States, Maine, Hancock, Brooksville; Cape Rosier, ME

Miami University - Algae
Catalog #: 000187980
F. S. Collins #s.n. 05 July 1901
Phormidium papyraceum (C.Agardh) Kützing ex Gomont
United States, Maine, Hancock, Cape Rosier

Michigan State University Algae
Catalog #: MSC0184058
F.S. Collins #s.n. 05 July 1901
Phormidium papyraceum (C.Agardh) Kützing ex Gomont
United States, Maine, Hancock, Cape Rosier

Yale University Herbarium
Catalog #: YU.092087
Frank Shipley Collins s.n. 05 July 1901
Phormidium papyraceum (C.Agardh) Kützing ex Gomont
United States, Maine, Hancock, Brooksville; Cape Rosier, ME