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

University of North Carolina at Chapel Hill Herbarium; Max & Fran Hommersand Algae Herbarium: Algae
Catalog #: NCU-A-0014893
Holden, Isaac #593
Grinnellia americana (C.Agardh) Harvey
United States, Connecticut, Fairfield, Bridgeport; Bridgeport

Field Museum of Natural History
Catalog #: C0509794F
I. Holden #s.n.
Grinnellia americana (C.Agardh) Harvey
United States, Connecticut, Fairfield, Bridgeport

University of Michigan
Catalog #: 656984
Isaac Holden #s.n. 00 July 1898
Grinnellia americana (C.Agardh) Harvey
United States, Connecticut, Fairfield, Bridgeport

University of Michigan
Catalog #: 656987
Isaac Holden #s.n. 00 July 1898
Grinnellia americana (C.Agardh) Harvey
United States, Connecticut, Fairfield, Bridgeport

Michigan State University Algae
Catalog #: MSC0182911
Isaac Holden #s.n. 00 July 1898
Grinnellia americana (C.Agardh) Harvey
United States, Connecticut, Fairfield, Bridgeport

Michigan State University Algae
Catalog #: MSC0182912
Isaac Holden #s.n. 00 July 1898
Grinnellia americana (C.Agardh) Harvey
United States, Connecticut, Fairfield, Bridgeport

Michigan State University Algae
Catalog #: MSC0182913
Isaac Holden #s.n. 00 July 1898
Grinnellia americana (C.Agardh) Harvey
United States, Connecticut, Fairfield, Bridgeport

Michigan State University Algae
Catalog #: MSC0182914
Isaac Holden #s.n. 00 July 1898
Grinnellia americana (C.Agardh) Harvey
United States, Connecticut, Fairfield, Bridgeport

University Herbarium, University of California, Berkeley
Catalog #: UC1852190
Isaac Holden #s.n. 18 July 1886
Grinnellia americana (C.Agardh) Harvey
United States, Connecticut, Fairfield, Bridgeport.