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

Brown University - Algae
Catalog #: ABRU00002769
L. N. Johnson s.n. 09 August 1895
Isactis plana Thuret ex Bornet & Flahault
United States, New York, Cold Spring Harbor, Long Island, NY

Yale University Herbarium
Catalog #: YU.106448
L. N. Johnson s.n. 09 August 1895
Isactis plana Thuret ex Bornet & Flahault
United States, New York, Suffolk, Huntington; Cold Spring Harbor, Long Island, NY

Michigan State University Algae
Catalog #: MSC0183108
L.N. Johnson #s.n. 09 August 1895
Isactis plana Thuret ex Bornet & Flahault
United States, New York, Suffolk, Cold Spring Harbor, Long Island

Miami University - Algae
Catalog #: 000186555
L.N. Johnson #s.n. 09 August 1895
Isactis plana Thuret ex Bornet & Flahault
United States, New York, Suffolk, Cold Spring Harbor, Long Island