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

Brown University - Algae
Catalog #: ABRU00003097
Mrs. W. C. Simmons s.n.
Ectocarpus tomentosus (Hudson) Lyngbye
United States, Rhode Island, Jamestown; Conanicut Island, RI

Yale University Herbarium
Catalog #: YU.091560
Mrs. W. C. Simmons s.n. 00 May 1898
Ectocarpus tomentosus (Hudson) Lyngbye
United States, Rhode Island, Newport, Jamestown; Conanicut Island, RI

Field Museum of Natural History
Catalog #: C0519429F
Mrs. W. C. Simmons #s.n. 00 May 1898
Ectocarpus tomentosus (Hudson) Lyngbye
United States, Rhode Island, Newport, Conanicut Island

Drexel University, Academy of Natural Sciences - Algae
Catalog #: PH00223988
b3d6d312-4b99-49ff-8593-e8cae1a9a52b
Mrs. W. C. Simmons #s.n. 00 May 1898
Ectocarpus tomentosus (Hudson) Lyngbye
United States, Rhode Island, Newport, Conanicut Island

University of Michigan
Catalog #: 639522
Mrs. W.C. Simmons #s.n. 00 May 1898
Spongonema tomentosum (Hudson) Kützing
United States, Rhode Island, Newport, Conanicut Island

University of Michigan
Catalog #: 639533
Mrs. W.C. Simmons #s.n. 00 May 1898
Spongonema tomentosum (Hudson) Kützing
United States, Rhode Island, Newport, Conanicut Island

Michigan State University Algae
Catalog #: MSC0184832
Mrs. W.C. Simmons #s.n. 00 May 1898
Spongonema tomentosum (Hudson) Kützing
United States, Rhode Island, Newport, Conanicut Island

Miami University - Algae
Catalog #: 000186885
W.C. Simmons #s.n. 00 May 1898
Ectocarpus tomentosus (Hudson) Lyngbye
United States, Rhode Island, Newport, Conanicut Island