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

Brown University - Algae
Catalog #: ABRU00004039
I. Holden s.n.
Eremosphaera viridis De Bary
United States, Connecticut, Bridgeport, CT

Yale University Herbarium
Catalog #: YU.094347
Isaac Holden s.n. 00 April 1890
Eremosphaera viridis De Bary
United States, Connecticut, Fairfield, Bridgeport; Bridgeport, CT

University of Michigan
Catalog #: 727944
Isaac Holden #s.n. 00 April 1890
Eremosphaera viridis De Bary
United States, Connecticut, Fairfield, Bridgeport

University of Michigan
Catalog #: 727947
Isaac Holden #s.n. 00 April 1890
Eremosphaera viridis De Bary
United States, Connecticut, Fairfield, Bridgeport

Michigan State University Algae
Catalog #: MSC0182592
Isaac Holden #s.n. 00 April 1890
Eremosphaera viridis f. major De Bary
United States, Connecticut, Fairfield, Bridgeport

Miami University - Algae
Catalog #: 000188316
Isaac Holden #s.n. 00 April 1890
Eremosphaera viridis f. major Moore ex Holden, 1906
United States, Connecticut, Fairfield, Bridgeport