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

Brown University - Algae
Catalog #: ABRU00004094
F. S. Collins s.n. 08 October 1905
Zygnema pectinatum (Vaucher) C.Agardh
United States, Massachusetts, Winchester lower reservoir, Winchester, MA

University of Michigan
Catalog #: 736791
F.S. Collins #s.n. 08 October 1905
Zygnema pectinatum f. terrestre (Rabenhorst) De Toni
United States, Massachusetts, Middlesex, Winchester lower reservoir, Winchester

University of Michigan
Catalog #: 736794
F.S. Collins #s.n. 08 October 1905
Zygnema pectinatum f. terrestre (Rabenhorst) De Toni
United States, Massachusetts, Middlesex, Winchester lower reservoir, Winchester

Michigan State University Algae
Catalog #: MSC0185310
F.S. Collins #s.n. 08 October 1905
Zygnema pectinatum (Vaucher) C.Agardh
United States, Massachusetts, Middlesex, Winchester lower reservoir, Winchester

Miami University - Algae
Catalog #: 000188434
F.S. Collins #s.n.
Zygnema pectinatum (Vaucher) C.Agardh
United States, Massachusetts, Middlesex, Winchester lower reservoir, Winchester

Drexel University, Academy of Natural Sciences - Algae
Catalog #: PH00147940
743610c2-9025-468b-929b-df1cf656072c
F.S. Collins #s.n.
Zygnema C.Agardh, 1817
United States, Massachusetts, Middlesex, Shore of Winchester lower reservoir, Winchester

Yale University Herbarium
Catalog #: YU.094402
Frank Shipley Collins s.n. 08 October 1905
Zygnema pectinatum (Vaucher) C.Agardh
United States, Massachusetts, Winchester; Winchester lower reservoir, Winchester, MA