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

Brown University
Catalog #: ABRU00004762
C. Bullard s.n. 16 September 1912
Euastrum oblongum Ralfs
United States, New Hampshire, Twin Mountain Station, NH

Yale University Herbarium
Catalog #: YU.095229
Charles Bullard s.n. 16 September 1912
Euastrum oblongum Ralfs
United States of America, New Hampshire, Twin Mountain Station, NH

University of Michigan
Catalog #: 736268
Charles Bullard #s.n. 16 September 1912
Euastrum oblongum Ralfs
United States, New Hampshire, Coos, Twin Mountain Station

Michigan State University
Catalog #: MSC0182615
Charles Bullard #s.n. 16 September 1912
Euastrum oblongum Ralfs
United States, New Hampshire, Coos, Twin Mountain Station

Miami University
Catalog #: 000196609
Charles Bullard #s.n. 16 September 1912
Euastrum oblongum Ralfs
United States, New Hampshire, Coos, Twin Mountain Station