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

University Herbarium, University of California, Berkeley
Catalog #: UC687675
F. S. Collins #s.n. 00 July 1895
Ulva micrococca (Kützing) Gobi
United States, Maine, Hancock, Eagle Island, Penobscot Bay

Brown University - Algae
Catalog #: ABRU00002584
W. A. Setchell s.n. 01 July 1890
Phormidium setchellianum Gomont
United States, Connecticut, Norwich, CT

Michigan State University Algae
Catalog #: MSC0183495
W.A. Setchell #s.n. 00 July 1895
Microcoleus setchellianus (Kützing) Gobi
United States, Connecticut, New London, Norwich

Miami University - Algae
Catalog #: 000186501
W.A. Setchell #s.n. 00 July 1895
Phormidium setchellianum Gomont
United States, Maine, New London, Norwich

Yale University Herbarium
Catalog #: YU.091132
William Albert Setchell s.n. 01 July 1890
Phormidium setchellianum Gomont
United States, Connecticut, New London, Norwich; Norwich, CT