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

Drexel University, Academy of Natural Sciences - Algae
Catalog #: PH00221662
b62e76be-641d-4187-b44e-05fb068c2a8e
Mrs. W. C. Simmons #s.n. 00 October 1899
Polysiphonia urceolata (Lightfoot ex Dillwyn) Greville
United States, Rhode Island, Newport, Newport

University of Michigan
Catalog #: 668700
Mrs. W.C. Simmons #s.n. 00 October 1899
Polysiphonia stricta (Dillwyn) Greville
United States, Rhode Island, Newport, Newport

University of Michigan
Catalog #: 668728
Mrs. W.C. Simmons #s.n. 00 October 1899
Polysiphonia stricta (Dillwyn) Greville
United States, Rhode Island, Newport, Newport

Michigan State University Algae
Catalog #: MSC0184310
Mrs. W.C. Simmons #s.n. 00 October 1899
Polysiphonia urceolata (Lightfoot ex Dillwyn) Greville
United States, Rhode Island, Newport, Newport

Michigan State University Algae
Catalog #: MSC0184311
Mrs. W.C. Simmons #s.n. 00 October 1899
Polysiphonia urceolata (Lightfoot ex Dillwyn) Greville
United States, Rhode Island, Newport, Newport