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

Drexel University, Academy of Natural Sciences - Algae
Catalog #: PH00217467
c248641d-bf02-46f5-bc22-19d432def81e
W. A. Setchel #1898-12-03
Gigartina radula (Esper) J.Agardh
United States, California, Marin, Dillon's Beach

Brown University - Algae
Catalog #: ABRU00002544
W. A. Setchell s.n. 28 March 1891
Ulothrix flacca (Dillwyn) Thuret
United States, Massachusetts, Little Nahant, MA

Drexel University, Academy of Natural Sciences - Algae
Catalog #: PH00212259
ccbfa592-af60-4687-9a0f-bc0ac7afc0b9
W. A. Setchell #s.n. 28 March 1891
Ulothrix flacca (Dillwyn) Thuret
United States, Massachusetts, Essex, Little Nahant; 42.436208 -70.932826

University of Michigan
Catalog #: 733046
W.A. Setchell #s.n. 28 March 1891
Ulothrix flacca (Dillwyn) Thuret
United States, Massachusetts, Essex, Little Nahant

University of Michigan
Catalog #: 733065
W.A. Setchell #s.n. 28 March 1891
Ulothrix flacca (Dillwyn) Thuret
United States, Massachusetts, Essex, Little Nahant

Michigan State University Algae
Catalog #: MSC0185098
W.A. Setchell #s.n. 28 March 1891
Ulothrix flacca (Dillwyn) Thuret
United States, Massachusetts, Essex, Little Nahant

Miami University - Algae
Catalog #: 000186416
W.A. Setchell #s.n. 28 March 1891
Ulothrix flacca (Dillwyn) Thuret
United States, Massachusetts, Essex, Little Nahant

Yale University Herbarium
Catalog #: YU.091095
William Albert Setchell s.n. 28 March 1891
Ulothrix flacca (Dillwyn) Thuret
United States, Massachusetts, Essex, Nahant; Little Nahant, MA