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

Brown University - Algae
Catalog #: ABRU00003163
I. Holden s.n. 03 September 1868
Agardhiella tenera (J.Agardh) F.Schmitz
United States, Connecticut, Bridgeport, CT

Field Museum of Natural History
Catalog #: C0506645F
I. Holden #s.n. 03 September 1898
Agardhiella tenera (J.Agardh) F.Schmitz
United States, Connecticut, Fairfield, Bridgeport

Yale University Herbarium
Catalog #: YU.091622
Isaac Holden s.n. 03 September 1868
Agardhiella tenera (J.Agardh) F.Schmitz
United States, Connecticut, Fairfield, Bridgeport; Bridgeport, CT

Rutgers University, Chrysler Herbarium - Macroalgae Collection
Catalog #: CHRB0016563
Isaac Holden #1411 03 September 1898
Agardhiella subulata (C.Agardh) Kraft & M.J.Wynne
United States, Connecticut, Fairfield, Bridgeport

University of Michigan
Catalog #: 641049
Isaac Holden #s.n. 03 September 1898
Agardhiella subulata (C.Agardh) Kraft & M.J.Wynne
United States, Connecticut, Bridgeport

University of Michigan
Catalog #: 641056
Isaac Holden #s.n. 03 September 1898
Agardhiella subulata (C.Agardh) Kraft & M.J.Wynne
United States, Connecticut, Bridgeport

Michigan State University Algae
Catalog #: MSC0181092
Isaac Holden #s.n. 03 September 1898
Agardhiella subulata (C.Agardh) Kraft & M.J.Wynne
United States, Connecticut, Fairfield, Bridgeport

Miami University - Algae
Catalog #: 000186949
Isaac Holden #s.n. 03 September 1898
Agardhiella tenera (J.Agardh) F.Schmitz
United States, Connecticut, Bridgeport