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

University Herbarium, University of California, Berkeley
Catalog #: UC1826279
L. N. Johnson s.n. 08 August 1895
Dimorphococcus lunatus A.Braun
United States, New York, Suffolk, Cold Spring Harbor.

Brown University - Algae
Catalog #: ABRU00002772
L. N. Johnson s.n. 08 August 1895
Dimorphococcus cordatus Wolle
United States, New York, Cold Spring Harbor, Long Island, NY

Yale University Herbarium
Catalog #: YU.091239
L. N. Johnson s.n. 08 August 1895
Dimorphococcus cordatus Wolle
United States, New York, Suffolk, Huntington; Cold Spring Harbor, Long Island, NY

University of Michigan
Catalog #: 727753
L.N. Johnson #s.n. 08 August 1895
Dimorphococcus cordatus Wolle
United States, New York, Suffolk, Cold Spring Harbor, Long Island

University of Michigan
Catalog #: 727754
L.N. Johnson #s.n. 08 August 1895
Dimorphococcus cordatus Wolle
United States, New York, Suffolk, Cold Spring Harbor, Long Island

Michigan State University Algae
Catalog #: MSC0182497
L.N. Johnson #s.n. 08 August 1895
Dimorphococcus cordatus Wolle
United States, New York, Suffolk, Cold Spring Harbor

Miami University - Algae
Catalog #: 000186558
L.N. Johnson #s.n. 08 August 1895
Dimorphococcus cordatus Wolle
United States, New York, Suffolk, Cold Spring Harbor, Long Island