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

Michigan State University Algae
Catalog #: MSC0183721
W.A. Setchell #s.n. 28 November 1891
Nostoc parmelioides Kützing ex Bornet & Flahault
United States, Connecticut, New Haven, Mount Carmel