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

Brown University - Algae
Catalog #: ABRU00003330
F. S. Collins s.n. 17 June 1899
Dictyosiphon hippuroides var. fragilis Kjellman
United States, Massachusetts, Marblehead, MA

Drexel University, Academy of Natural Sciences - Algae
Catalog #: PH00223431
d4f78df7-b024-418c-87cf-21ce520d8d25
F. S. Collins #s.n. 17 June 1899
Dictyosiphon hippuroides (Lyngbye) K
United States, Massachusetts, Essex, Marblehead

University of Michigan
Catalog #: 633366
F.S. Collins #s.n. 17 June 1899
Dictyosiphon hippuroides (Lyngbye) Kützing
United States, Massachusetts, Essex, Marblehead

University of Michigan
Catalog #: 633377
F.S. Collins #s.n. 17 June 1899
Dictyosiphon hippuroides (Lyngbye) Kützing
United States, Massachusetts, Essex, Marblehead

Michigan State University Algae
Catalog #: MSC0182442
F.S. Collins #s.n. 17 June 1899
Dictyosiphon foeniculaceus (Hudson) Greville
United States, Massachusetts, Essex, Marblehead

Miami University - Algae
Catalog #: 000187279
F.S. Collins #s.n. 17 June 1899
Dictyosiphon hippuroides var. fragilis Kjellman
United States, Massachusetts, Essex, Marblehead

Yale University Herbarium
Catalog #: YU.091759
Frank Shipley Collins s.n. 17 June 1899
Dictyosiphon hippuroides var. fragilis Kjellman
United States, Massachusetts, Essex, Marblehead; Marblehead, MA