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

University of North Carolina at Chapel Hill Herbarium; Max & Fran Hommersand Algae Herbarium: Algae
Catalog #: NCU-A-0024627
Collins, Frank Shipley #s.n. 15 June 1901
Polysiphonia urceolata var. patens (Dillwyn) Harvey
United States, Massachusetts, Essex, Marblehead, Massachusetts

Brown University - Algae
Catalog #: ABRU00003690
F. S. Collins s.n. 15 June 1901
Polysiphonia urceolata var. patens (Dillwyn) Harvey
United States, Massachusetts, Marblehead, MA

Field Museum of Natural History
Catalog #: C0510273F
F. S. Collins #s.n. 15 June 1901
Polysiphonia urceolata (Lightfoot ex Dillwyn) Greville
United States, Massachusetts, Essex, Marblehead

Drexel University, Academy of Natural Sciences - Algae
Catalog #: PH00221663
3c3055c1-7ead-4846-abf6-54501cbdaeb3
F. S. Collins #s.n.
Polysiphonia urceolata (Lightfoot ex Dillwyn) Greville
United States, Massachusetts, Marblehead

University of Michigan
Catalog #: 668684
F.S. Collins #s.n. 15 June 1901
Polysiphonia stricta (Dillwyn) Greville
United States, Massachusetts, Essex, Marblehead

University of Michigan
Catalog #: 668769
F.S. Collins #s.n. 15 June 1901
Polysiphonia urceolata var. patens (Dillwyn) Harvey
United States, Massachusetts, Essex, Marblehead

Michigan State University Algae
Catalog #: MSC0184312
F.S. Collins #s.n. 15 June 1901
Polysiphonia urceolata var. patens (Dillwyn) Harvey
United States, Massachusetts, Essex, Marblehead

Miami University - Algae
Catalog #: 000187973
F.S. Collins #s.n. 15 June 1901
Polysiphonia urceolata (Lightfoot ex Dillwyn) Greville
United States, Massachusetts, Essex, Marblehead

Yale University Herbarium
Catalog #: YU.092080
Frank Shipley Collins s.n. 15 June 1901
Polysiphonia urceolata var. patens (Dillwyn) Harvey
United States, Massachusetts, Essex, Marblehead; Marblehead, MA