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

Brown University - Algae
Catalog #: ABRU00002676
I. Holden s.n. 23 May 1895
Desmotrichum undulatum (J.Agardh) Reinke
United States, Connecticut, Bridgeport, CT

Field Museum of Natural History
Catalog #: C0517794F
I. Holden #s.n. 23 May 1895
Desmotrichum undulatum (J.Agardh) Reinke
United States, Connecticut, Fairfield, Bridgeport

Drexel University, Academy of Natural Sciences - Algae
Catalog #: PH00223316
2b5fe566-362c-4198-94b4-f9a3ca0c198c
I. Holden #s.n. 23 May 1895
Desmotrichum undulatum (J.Agardh) Reinke
United States, Connecticut, Fairfield, Bridgeport

Yale University Herbarium
Catalog #: YU.091207
Isaac Holden s.n. 23 May 1895
Desmotrichum undulatum (J.Agardh) Reinke
United States, Connecticut, Fairfield, Bridgeport; Bridgeport, CT

University of Michigan
Catalog #: 632664
Isaac Holden #s.n. 23 May 1895
Desmotrichum undulatum (J.Agardh) Reinke
United States, Connecticut, Fairfield, Bridgeport

University of Michigan
Catalog #: 632668
Isaac Holden #s.n. 23 May 1895
Desmotrichum undulatum (J.Agardh) Reinke
United States, Connecticut, Fairfield, Bridgeport

University Herbarium, University of California, Berkeley
Catalog #: UC1830433
Isaac Holden #s.n. 23 May 1895
Punctaria tenuissima (C.Agardh) Greville
United States, Connecticut, Fairfield, Bridgeport

Michigan State University Algae
Catalog #: MSC0184398
Isaac Holden #s.n. 23 May 1895
Punctaria tenuissima (C.Agardh) Greville
United States, Connecticut, Fairfield, Bridgeport

Miami University - Algae
Catalog #: 000186476
Isaac Holden #s.n. 23 May 1895
Desmotrichum undulatum (J.Agardh) Reinke
United States, Connecticut, Fairfield, Bridgeport