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-0029414
Holden, Isaac #s.n.
Tuomeya fluviatilis Harvey
United States, Connecticut, Fairfield, Bridgeport; Pequonnock River, Bridgeport

Brown University - Algae
Catalog #: ABRU00002681
I. Holden s.n.
Tuomeya fluviatilis Harvey
United States, Connecticut, Pequonnock River, Bridgeport, CT

Drexel University, Academy of Natural Sciences - Algae
Catalog #: PH00222441
f479fe2e-8093-4888-befc-3f578b3ed374
I. Holden #s.n.
Tuomeya Harvey, 1858
United States, Connecticut, Pequonnock River, Bridgeport

Yale University Herbarium
Catalog #: YU.091212
Isaac Holden s.n.
Tuomeya fluviatilis Harvey
United States, Connecticut, Bridgeport; Pequonnock River, Bridgeport, CT

University Herbarium, University of California, Berkeley
Catalog #: UC1883472
Isaac Holden #132
Tuomeya americana (Kützing) Papenfuss
United States, Connecticut, Fairfield, Pequonnock River, Bridgeport.

University Herbarium, University of California, Berkeley
Catalog #: UC1883478
Isaac Holden #132
Tuomeya americana (Kützing) Papenfuss
United States, Connecticut, Fairfield, Pequonnock River, Bridgeport.

University of Michigan
Catalog #: 674021
Isaac Holden #s.n.
Tuomeya americana (Kützing) Papenfuss
United States, Connecticut, Pequonnock River, Bridgeport

University of Michigan
Catalog #: 674060
Isaac Holden #s.n. 22 October 1893
Tuomeya americana (Kützing) Papenfuss
United States, Connecticut, Pequonnock River, Bridgeport

Michigan State University Algae
Catalog #: MSC0185077
Isaac Holden #s.n.
Tuomeya americana (Kützing) Papenfuss
United States, Connecticut, Fairfield, Pequonnock River, Bridgeport

Miami University - Algae
Catalog #: 000186481
Isaac Holden #s.n.
Tuomeya fluviatilis Harvey
United States, Connecticut, Pequonnock River, Bridgeport