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

Brown University - Algae
Catalog #: ABRU00002623
I. Holden s.n. 23 August 1891
Stilophora rhizodes (C.Agardh) J.Agardh
United States, Connecticut, Bridgeport, CT

University Herbarium, University of California, Berkeley
Catalog #: UC2041620
I. Holden #83 23 August 1891
Stilophora tenella (Esper) P.C.Silva
United States, Connecticut, Fairfield, Bridgeport

Field Museum of Natural History
Catalog #: C0520591F
I. Holden #s.n. 23 August 1891
Stilophora rhizodes (C.Agardh) J.Agardh
United States, Connecticut, Fairfield, Bridgeport

Drexel University, Academy of Natural Sciences - Algae
Catalog #: PH00231338
38aa2cc2-6069-4bcb-a073-7397e2ab24c3
I. Holden #s.n.
Stilophora rhizodes (C.Agardh) J.Agardh
United States, Connecticut, Bridgeport; no additional data

Yale University Herbarium
Catalog #: YU.091163
Isaac Holden s.n. 23 August 1891
Stilophora rhizodes (C.Agardh) J.Agardh
United States, Connecticut, Fairfield, Bridgeport; Bridgeport, CT

University of Michigan
Catalog #: 639707
Isaac Holden #s.n. 23 August 1891
Stilophora tenella (Esper) P.C.Silva
United States, Connecticut, Fairfield, Bridgeport

University of Michigan
Catalog #: 639746
Isaac Holden #s.n. 23 August 1891
Stilophora tenella (Esper) P.C.Silva
United States, Connecticut, Fairfield, Bridgeport

Michigan State University Algae
Catalog #: MSC0184947
Isaac Holden #s.n. 23 August 1891
Stilophora tenella (Esper) P.C.Silva
United States, Connecticut, Fairfield, Bridgeport

Miami University - Algae
Catalog #: 000186532
Isaac Holden #s.n. 23 August 1891
Stilophora rhizodes (C.Agardh) J.Agardh
United States, Connecticut, Fairfield, Bridgeport