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

Brown University - Algae
Catalog #: ABRU00003334
I. Holden s.n. 19 June 1898
Fucus vesiculosus var. spiralis (Linnaeus) C.Agardh
United States, Connecticut, Bridgeport, CT

Field Museum of Natural History
Catalog #: C0521773F
I. Holden #s.n. 19 June 1898
Fucus vesiculosus var. spiralis (Linnaeus) C.Agardh
United States, Connecticut, Fairfield, Bridgeport

Yale University Herbarium
Catalog #: YU.091762
Isaac Holden s.n. 19 June 1898
Fucus vesiculosus var. spiralis (Linnaeus) C.Agardh
United States, Connecticut, Fairfield, Bridgeport; Bridgeport, CT

University of Michigan
Catalog #: 611624
Isaac Holden #s.n. 19 June 1898
Fucus vesiculosus var. spiralis (Linnaeus) C.Agardh, 1810
United States, Connecticut, Bridgeport

University of Michigan
Catalog #: 611632
Isaac Holden #s.n. 19 June 1898
Fucus vesiculosus var. spiralis (Linnaeus) C.Agardh
United States, Connecticut, Bridgeport

Michigan State University Algae
Catalog #: MSC0182714
Isaac Holden #s.n. 19 June 1898
Fucus vesiculosus var. spiralis (Linnaeus) C.Agardh
United States, Connecticut, Fairfield, Bridgeport

Miami University - Algae
Catalog #: 000187283
Isaac Holden #s.n. 19 June 1898
Fucus vesticulosus var. spiralis
United States, Connecticut, Bridgeport