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

Brown University
Catalog #: ABRU00002768
W. A. Setchell s.n. 03 August 1894
Isactis plana Thuret ex Bornet & Flahault
United States, Massachusetts, Cuttyhunk Island, Gosnold, MA

Michigan State University
Catalog #: MSC0183107
W.A. Setchell #s.n. 03 August 1894
Isactis plana Thuret ex Bornet & Flahault
United States, Massachusetts, Dukes, Cuttyhunk Island, Gosnold

Miami University
Catalog #: 000210365
W.A. Setchell #s.n. 03 August 1894
Isactis plana Thuret ex Bornet & Flahault
United States, Massachusetts, Dukes, Cuttyhunk Island, Gosnold

Yale University Herbarium
Catalog #: YU.091236
William Albert Setchell s.n. 03 August 1894
Isactis plana Thuret ex Bornet & Flahault
United States of America, Massachusetts, Dukes, Gosnold; Cuttyhunk Island, Gosnold, MA