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

Brown University - Algae
Catalog #: ABRU00003947
F. S. Collins s.n. 12 July 1904
Cladophora fracta (O.F.Müller ex Vahl) Kützing
United States, Maine, Cumberland, Harpswell; Bailey's Island, Casco Bay, ME

Field Museum of Natural History
Catalog #: C0530178F
F. S. Collins #s.n. 12 July 1904
Cladophora pulverulenta (Mertens) Phinney
United States, Maine, Cumberland, Bailey's Island, Casco Bay

Drexel University, Academy of Natural Sciences - Algae
Catalog #: PH00204940
1c3ca7a5-c198-4f66-81b4-db34ec51f479
F. S. Collins #s.n. 12 July 1904
Cladophora pulverulenta (Mertens) Phinney
United States, Maine, Hancock, Bailey's Island, Casco Bay

University of Michigan
Catalog #: 684093
F.S. Collins #s.n. 12 July 1904
Cladophora flavescens (Roth) Kützing
United States, Maine, Bailey's Island, Casco Bay

University of Michigan
Catalog #: 684728
F.S. Collins #s.n. 12 July 1904
Cladophora fracta f. flavescens (Roth) Kützing
United States, Maine, Cumberland, Bailey's Island, Casco Bay

Michigan State University Algae
Catalog #: MSC0181963
F.S. Collins #s.n. 12 July 1904
Cladophora fracta f. flavescens (Roth) Kützing
United States, Maine, Hancock, Bailey's Island, Casco Bay

Miami University - Algae
Catalog #: 000188225
F.S. Collins #s.n. 12 July 1904
Cladophora fracta f. flavescens (Roth) Collins, 1903
United States, Maine, Hancock, Bailey's Island, Casco Bay

Yale University Herbarium
Catalog #: YU.094185
Frank Shipley Collins s.n. 12 July 1904
Cladophora fracta (O.F.Müller ex Vahl) Kützing
United States, Maine, Cumberland, Harpswell; Bailey's Island, Casco Bay, ME