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

Brown University - Algae
Catalog #: ABRU00004529
F. S. Collins s.n. 28 July 1907
Plectonema norvegicum Gomont
United States, Massachusetts, Eastham, MA

Michigan State University Algae
Catalog #: MSC0183250
F.S. Collins #s.n. 28 July 1907
Leptolyngbya norvegica (Gomont) Anagnostidis & Komárek
United States, Massachusetts, Barnstable, Eastham

Miami University - Algae
Catalog #: 000189132
F.S. Collins #s.n.
Leptolyngbya norvegicum
United States, Massachusetts, Barnstable, Eastham

Yale University Herbarium
Catalog #: YU.095000
Frank Shipley Collins s.n. 28 July 1907
Plectonema norvegicum Gomont
United States, Massachusetts, Barnstable, Eastham; Eastham, MA