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

Brown University - Algae
Catalog #: ABRU00004759
C. Bullard s.n. 12 September 1912
Euastrum bidentatum Nägeli
United States, New Hampshire, Grafton, Bethlehem; Bethlehem Junction, NH

Yale University Herbarium
Catalog #: YU.095226
Charles Bullard s.n. 12 September 1912
Euastrum bidentatum Nägeli
United States, New Hampshire, Grafton, Bethlehem; Bethlehem Junction, NH

University of Michigan
Catalog #: 736252
Charles Bullard #s.n. 12 September 1912
Euastrum bidentatum Nägeli
United States, New Hampshire, Grafton, Bethlehem Junction

University of Michigan
Catalog #: 736253
Charles Bullard #s.n. 12 September 1912
Euastrum bidentatum Nägeli
United States, New Hampshire, Grafton, Bethlehem Junction

Michigan State University Algae
Catalog #: MSC0182610
Charles Bullard #s.n. 12 September 1912
Euastrum bidentatum Nägeli
United States, New Hampshire, Grafton, Betlehem Junction

Miami University - Algae
Catalog #: 000196606
Charles Bullard #s.n.
Euastrum bidentatum Nägeli
United States, New Hampshire, Grafton, Betlehem Junction