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

Miami University - Algae
Catalog #: 000210731
J. Schneck #s.n. 00 October 1880
Pelagophycus porra (Léman) Setchell
United States, Illinois, Wabash, Mount Carmel

Brown University - Algae
Catalog #: ABRU00005246
M. B. Nichols s.n.
Pelagophycus porra (Léman) Setchell
United States, California, San Diego, La Jolla, San Diego County, CA