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

Brown University - Algae
Catalog #: ABRU00004763
C. Bullard s.n. 09 September 1912
Euastrum verrucosum var. alatum Wolle
United States, New Hampshire, pool below The Flume, NH

Yale University Herbarium
Catalog #: YU.095230
Charles Bullard s.n. 09 September 1912
Euastrum verrucosum Ehrenberg ex Ralfs
United States, New Hampshire, pool below The Flume, NH

University of Michigan
Catalog #: 736276
Charles Bullard #s.n. 09 September 1912
Euastrum verrucosum Ehrenberg ex Ralfs
United States, New Hampshire, Grafton, The Flume

University of Michigan
Catalog #: 736279
Charles Bullard #s.n. 09 September 1912
Euastrum verrucosum Ehrenberg ex Ralfs
United States, New Hampshire, Grafton, The Flume

Michigan State University Algae
Catalog #: MSC0182618
Charles Bullard #s.n. 09 September 1912
Euastrum verrucosum Ehrenberg ex Ralfs
United States, New Hampshire, Grafton, Pool below The Flume

Miami University - Algae
Catalog #: 000196610
Charles Bullard #s.n. 09 September 1912
Euastrum verrucosum Ehrenberg ex Ralfs
United States, New Hampshire, Grafton, Pool below The Flume