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

Brown University - Algae
Catalog #: ABRU00003504
F. S. Collins s.n. 04 July 1900
Ralfsia pusilla (Strömfelt) Foslie
United States, Massachusetts, Marblehead Neck, Marblehead, MA

University of Michigan
Catalog #: 638469
F.S. Collins #s.n. 04 July 1900
Ralfsia pusilla (Strömfelt) Foslie
United States, Massachusetts, Essex, Marblehead Neck

University of Michigan
Catalog #: 638471
F.S. Collins #s.n. 04 July 1900
Ralfsia pusilla (Strömfelt) Foslie
United States, Massachusetts, Essex, Marblehead Neck

Field Museum of Natural History
Catalog #: C0519853F
F.S. Collins #s.n. 04 July 1900
Ralfsia pusilla (Strömfelt) Foslie
United States, Massachusetts, Essex, Marblehead Neck

Michigan State University Algae
Catalog #: MSC0184418
F.S. Collins #s.n. 04 July 1900
Ralfsia pusilla (Strömfelt) Foslie
United States, Massachusetts, Essex, Marblehead Neck

Miami University - Algae
Catalog #: 000187463
F.S. Collins #s.n. 04 July 1900
Ralfsia pusilla (Strömfelt) Foslie
United States, Massachusetts, Essex, Marblehead Neck

Yale University Herbarium
Catalog #: YU.091913
Frank Shipley Collins s.n. 04 July 1900
Ralfsia pusilla (Strömfelt) Foslie
United States, Massachusetts, Marblehead; Marblehead Neck, MA