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

Brown University - Algae
Catalog #: ABRU00004118
F. S. Collins s.n. 09 July 1906
Punctaria latifolia Greville
United States, Maine, Cumberland, Harpswell; Harpswell, ME

Field Museum of Natural History
Catalog #: C0517966F
F. S. Collins #s.n. 09 July 1906
Punctaria latifolia Greville
United States, Maine, Cumberland, Harpswell

University of Michigan
Catalog #: 638159
F.S. Collins #s.n. 09 July 1906
Punctaria latifolia Greville
United States, Maine, Harpswell

University of Michigan
Catalog #: 638193
F.S. Collins #s.n. 09 July 1906
Punctaria latifolia f. crispata
United States, Maine, Harpswell

Michigan State University Algae
Catalog #: MSC0184396
F.S. Collins #s.n. 09 July 1906
Punctaria latifolia Greville
United States, Maine, Cumberland, Harpswell

Miami University - Algae
Catalog #: 000188458
F.S. Collins #s.n.
Punctaria latifolia Greville
United States, Maine, Cumberland, Harpswell

Yale University Herbarium
Catalog #: YU.094426
Frank Shipley Collins s.n. 09 July 1906
Punctaria latifolia Greville
United States, Maine, Cumberland, Harpswell; Harpswell, ME