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

Brown University - Algae
Catalog #: ABRU00003890
A. A. Lawson s.n.
Volvox aureus Ehrenberg
United States, California, Palo Alto, CA

University of Michigan
Catalog #: 735891
A.A. Lawson #s.n. 00 October 1902
Volvox aureus Ehrenberg
United States, California, Santa Clara, Stanford Stock Farm, Palo Alto

University of Michigan
Catalog #: 735892
A.A. Lawson #s.n. 00 October 1902
Volvox aureus Ehrenberg
United States, California, Santa Clara, Stanford Stock Farm, Palo Alto

Michigan State University Algae
Catalog #: MSC0185256
A.A. Lawson #s.n. 00 October 1902
Volvox aureus Ehrenberg
United States, California, Santa Clara, Stanford Stock Farm, Palo Alto

Miami University - Algae
Catalog #: 000188170
A.A. Lawson #s.n. 00 October 1902
Volvox aureus Ehrenberg
United States, California, Santa Clara, Stanford Stock Farm, Palo Alto

Yale University Herbarium
Catalog #: YU.092259
Anstruther A. Lawson s.n.
Volvox aureus Ehrenberg
United States, California, Palo Alto; Palo Alto, CA