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

Brown University - Algae
Catalog #: ABRU00003488
F. S. Collins s.n. 14 July 1900
Cladophora arcta (Dillwyn) Kützing
United States, Maine, Hancock, Mount Desert; Crowninshield Point, Seal Harbor, Mount Desert Island, ME

Drexel University, Academy of Natural Sciences - Algae
Catalog #: PH00212069
8ab4bfd0-46d3-4401-a8f3-fb0be8520a2d
F. S. Collins s.n. 14 July 1900
Spongomorpha arcta (Dillwyn) K
United States, Maine, Hancock, Seal Harbor, Mount Desert Island, ME

Field Museum of Natural History
Catalog #: C0528926F
F. S. Collins #s.n. 14 July 1900
Cladophora arcta (Dillwyn) Kützing
United States, Maine, Hancock, Crowninshield Point, Seal Harbor, Mount Desert Island

University of Michigan
Catalog #: 677978
F.S. Collins #s.n. 14 July 1900
Acrosiphonia arcta (Dillwyn) Gain
United States, Maine, Hancock, Crowninshield Point, Seal Harbor, Mount Desert Island

University of Michigan
Catalog #: 677995
F.S. Collins #s.n. 14 July 1900
Acrosiphonia arcta (Dillwyn) Gain
United States, Maine, Hancock, Crowninshield Point, Seal Harbor, Mount Desert Island

Michigan State University Algae
Catalog #: MSC0181044
F.S. Collins #s.n. 14 July 1900
Acrosiphonia arcta (Dillwyn) Gain
United States, Maine, Hancock, Crowninshield Point, Seal Harbor, Mount Desert Island

Miami University - Algae
Catalog #: 000187447
F.S. Collins #s.n. 14 July 1900
Cladophora arcta (Dillwyn) Kützing
United States, Maine, Hancock, Crowninshield Point, Seal Harbor, Mount Desert Island

Yale University Herbarium
Catalog #: YU.091898
Frank Shipley Collins s.n. 14 July 1900
Cladophora arcta (Dillwyn) Kützing
United States, Maine, Hancock, Mount Desert; Crowninshield Point, Seal Harbor, Mount Desert Island, ME