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

Brown University - Algae
Catalog #: ABRU00004758
C. Bullard s.n. 29 August 1912
Pleurotaenium verrucosum (Ralfs) H.C.Wood
United States, Massachusetts, Wilmington Junction, MA

Yale University Herbarium
Catalog #: YU.095259
Charles Bullard s.n. 29 August 1912
Pleurotaenium verrucosum (Ralfs) H.C.Wood
United States, Massachusetts, Wilmington Junction, MA

University of Michigan
Catalog #: 736444
Charles Bullard #s.n. 29 August 1912
Pleurotaenium verrucosum (Ralfs) H.C.Wood
United States, Massachusetts, Middlesex, Wilmington Junction

University of Michigan
Catalog #: 736445
Charles Bullard #s.n. 29 August 1912
Pleurotaenium verrucosum (Ralfs) H.C.Wood
United States, Massachusetts, Middlesex, Wilmington Junction

Michigan State University Algae
Catalog #: MSC0184114
Charles Bullard #s.n. 29 August 1912
Pleurotaenium verrucosum (Ralfs) H.C.Wood
United States, Massachusetts, Middlesex, Wilmington Junction

Miami University - Algae
Catalog #: 000196605
Charles Bullard #s.n.
Pleurotaenium verrucosum (Ralfs) H.C.Wood
United States, Massachusetts, Middlesex, Wilmington Junction