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

Field Museum of Natural History
Catalog #: C0510341F
Collins #s.n. 00 September 1896
Polysiphonia variegata (C.Agardh) Zanardini
United States, Connecticut, Fairfield, Bridgeport

Brown University - Algae
Catalog #: ABRU00002756
I. Holden s.n.
Polysiphonia variegata (C.Agardh) Zanardini
United States, Connecticut, Bridgeport, CT

Yale University Herbarium
Catalog #: YU.106471
Isaac Holden s.n.
Polysiphonia variegata (C.Agardh) Zanardini
United States, Connecticut, Fairfield, Bridgeport; Bridgeport, CT

Michigan State University Algae
Catalog #: MSC0184315
Isaac Holden #s.n. 06 August 1891
Polysiphonia variegata (C.Agardh) Zanardini
United States, Connecticut, Fairfield, Bridgeport

Miami University - Algae
Catalog #: 000186650
Isaac Holden #s.n.
Polysiphonia variegata (C.Agardh) Zanardini
United States, Connecticut, Fairfield, Bridgeport