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

Brown University - Algae
Catalog #: ABRU00003839
N. L. Gardner s.n.
Myelophycus intestinalis De A.Saunders
United States, Washington, Fairhaven, WA

University of Michigan
Catalog #: 636564
N.L. Gardner #s.n.
Melanosiphon intestinalis (De A.Saunders) M.J.Wynne
United States, Washington, Fairhaven

University of Michigan
Catalog #: 636610
N.L. Gardner #s.n.
Myelophycus intestinalis De A.Saunders
United States, Washington, Fairhaven

Michigan State University Algae
Catalog #: MSC0183405
N.L. Gardner #s.n.
Melanosiphon intestinalis (De A.Saunders) M.J.Wynne
United States, Washington, Whatcom, Fairhaven

Miami University - Algae
Catalog #: 000188120
N.L. Gardner #s.n. 22 August 2015
Melanosiphon intestinalis (De A.Saunders) M.J.Wynne
United States, Washington, Whatcom, Fairhaven

Yale University Herbarium
Catalog #: YU.092212
Nathaniel Lyon Gardner s.n.
Myelophycus intestinalis De A.Saunders
United States, Washington, Fairhaven; Fairhaven, WA