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

Brown University - Algae
Catalog #: ABRU00004899
I. F. Lewis s.n. 05 July 1915
Chamaesiphon incrustans Grunow
United States, Massachusetts, Gosnold Pond, Cuttyhunk, MA

Michigan State University Algae
Catalog #: MSC0181714
I.F. Lewis #s.n. 05 July 1915
Chamaesiphon incrustans Grunow
United States, Massachusetts, Dukes, Gosnold Pond, Cuttyhunk

Miami University - Algae
Catalog #: 000210135
I.F. Lewis #s.n. 05 July 1915
Chamaesiphon incrustans Grunow
United States, Massachusetts, Dukes, Gosnold Pond, Cuttyhunk

Yale University Herbarium
Catalog #: YU.095368
Ivey Foreman Lewis s.n. 05 July 1915
Chamaesiphon incrustans Grunow
United States, Massachusetts, Dukes, Gosnold Pond, Cuttyhunk Island, MA