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

Brown University - Algae
Catalog #: ABRU00004530
F. S. Collins s.n. 01 October 1910
Plectonema roseolum (P.Richter) Gomont
United States, Massachusetts, between upper and lower Mystic Ponds, Medford, MA

Michigan State University Algae
Catalog #: MSC0183229
F.S. Collins #s.n. 01 October 1910
Leptolyngbya carnea (Kützing ex Lemmermann) Anagnostidis & Komárek
United States, Massachusetts, Middlesex, Mystic Pond, Medford

Miami University - Algae
Catalog #: 000189133
F.S. Collins #s.n.
Leptolyngbya carnea (Kützing ex Lemmermann) Anagnostidis & Komárek
United States, Massachusetts, Middlesex, Mystic Pond, Medford

Yale University Herbarium
Catalog #: YU.095001
Frank Shipley Collins s.n. 01 October 1910
Plectonema roseolum (P.Richter) Gomont
United States, Massachusetts, Middlesex, Medford; between upper and lower Mystic Ponds, Medford, MA