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

Brown University - Algae
Catalog #: ABRU00004383
F. S. Collins s.n. 08 August 1909
Wittrockiella paradoxa Wille
United States, Massachusetts, Nonamesset, Elizabeth Islands, MA

University of Michigan
Catalog #: 735910
F.S. Collins #s.n. 08 August 1909
Wittrockiella amphibia (Collins) C.Boedeker & G.I.Hansen
United States, Massachusetts, Dukes, Nonamesset, Elizabeth Islands

University of Michigan
Catalog #: 735911
F.S. Collins #s.n. 08 August 1909
Wittrockiella amphibia (Collins) C.Boedeker & G.I.Hansen
United States, Massachusetts, Dukes, Nonamesset, Elizabeth Islands

Michigan State University Algae
Catalog #: MSC0185266
F.S. Collins #s.n. 08 August 1909
Wittrockiella amphibia (Collins) C.Boedeker & G.I.Hansen
United States, Massachusetts, Dukes, Nonamesset, Elizabeth Islands

Miami University - Algae
Catalog #: 000189105
F.S. Collins #s.n. 08 August 1909
Wittrockiella amphibia (Collins) C.Boedeker & G.I.Hansen
United States, Massachusetts, Dukes, Nonamesset, Elizabeth Islands

Yale University Herbarium
Catalog #: YU.094690
Frank Shipley Collins s.n. 08 August 1909
Wittrockiella paradoxa Wille
United States, Massachusetts, Nonamesset, Elizabeth Islands, MA