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

University Herbarium, University of California, Berkeley
Catalog #: UC687868
F. W. Hooper #s.n.
Acetabularia crenulata J.V.Lamouroux
United States, Florida, Monroe, Key West

Brown University - Algae
Catalog #: ABRU00002574
I. Holden s.n. 20 August 1891
Chondria tenuissima (Withering) C.Agardh
United States, Connecticut, Long Island Sound, Bridgeport, CT

Field Museum of Natural History
Catalog #: C0508237F
I. Holden #s.n. 20 August 1891
Chondria tenuissima (Withering) C.Agardh
United States, Connecticut, Fairfield, Shore of Long Island Sound, Bridgeport

Yale University Herbarium
Catalog #: YU.091120
Isaac Holden s.n. 20 August 1891
Chondria tenuissima (Withering) C.Agardh
United States, Connecticut, Long Island Sound, Bridgeport, CT

University of Michigan
Catalog #: 648160
Isaac Holden #s.n. 20 August 1891
Chondria capillaris (Hudson) M.J.Wynne
United States, Connecticut, Shore of Long Island Sound, Bridgeport

University of Michigan
Catalog #: 648203
Isaac Holden #s.n. 20 August 1891
Chondria capillaris (Hudson) M.J.Wynne
United States, Connecticut, Fairfield, Shore of Long Island Sound, Bridgeport

Michigan State University Algae
Catalog #: MSC0181824
Isaac Holden #s.n. 20 August 1891
Chondria capillaris (Hudson) M.J.Wynne
United States, Connecticut, Fairfield, Shore of Long Island Sound, Bridgeport

Miami University - Algae
Catalog #: 000186441
Isaac Holden #s.n. 20 August 1891
Chondria tenuissima (Withering) C.Agardh
United States, Connecticut, Shore of Long Island Sound, Bridgeport

University Herbarium, University of California, Berkeley
Catalog #: UC687685
N. L. Gardner #s.n.
Chlorochytrium inclusum Kjellman
United States, Washington, Island, Coupville