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

Brown University - Algae
Catalog #: ABRU00004606
F. S. Collins s.n. 24 September 1911
Spondylosium papillosum West & G.S.West
United States, Massachusetts, Hemlock Pool, Middlesex Fells, MA

University of Michigan
Catalog #: 736460
F.S. Collins #s.n. 24 September 1911
Spondylosium papillosum West & G.S.West
United States, Massachusetts, Middlesex, Hemlock Pool, Middlesex Fells

University of Michigan
Catalog #: 736461
F.S. Collins #s.n. 24 September 1911
Spondylosium papillosum West & G.S.West
United States, Massachusetts, Middlesex, Hemlock Pool, Middlesex Fells

Michigan State University Algae
Catalog #: MSC0184827
F.S. Collins #s.n. 24 September 1911
Spondylosium papillosum West & G.S.West
United States, Massachusetts, Middlesex, Hemlock Pool, Middlesex Fells

Miami University - Algae
Catalog #: 000189258
F.S. Collins #s.n.
Spondylosium papillosum West & G.S.West
United States, Massachusetts, Middlesex, Hemlock Pool, Middlesex Fells

Yale University Herbarium
Catalog #: YU.095077
Frank Shipley Collins s.n. 24 September 1911
Spondylosium papillosum West & G.S.West
United States, Massachusetts, Middlesex, Hemlock Pool, Middlesex Fells, MA