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

Brown University - Algae
Catalog #: ABRU00004900
F. S. Collins s.n. 28 April 1915
Chroothece monococca (Hansgirg) Hansgirg, 1891
United States, Massachusetts, Edgar's Greenhouse, Waverley, MA

Field Museum of Natural History
Catalog #: C0503380F
F.S. Collins #s.n. 28 April 1915
Asterocytis ornata (C.Agardh) G.Hamel
United States, Massachusetts, Middlesex, Waverley

Michigan State University Algae
Catalog #: MSC0181873
F.S. Collins #s.n. 28 April 1915
Chroothece rupestris Hansgirg
United States, Massachusetts, Middlesex, Edgar's Greenhouse, Waverley

Miami University - Algae
Catalog #: 000210136
F.S. Collins #s.n.
Chroothece rupestris Hansgirg
United States, Massachusetts, Middlesex, Edgar's Greenhouse, Waverley

Yale University Herbarium
Catalog #: YU.095369
Frank Shipley Collins s.n. 28 April 1915
Gloeocapsa monococca Kützing
United States, Massachusetts, Waverley; Edgar's Greenhouse, Waverley, MA