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

Brown University - Algae
Catalog #: ABRU00004920
C. Bullard s.n. 21 June 1916
Xanthidium tylerianum West
United States, Massachusetts, Holliston, MA

Yale University Herbarium
Catalog #: YU.095389
Charles Bullard s.n. 21 June 1916
Xanthidium tylerianum West
United States, Massachusetts, Holliston; Holliston, MA

University of Michigan
Catalog #: 736580
Charles Bullard #s.n. 21 June 1916
Xanthidium tylerianum West
United States, Massachusetts, Middlesex, Holliston

Michigan State University Algae
Catalog #: MSC0185289
Charles Bullard #s.n. 21 June 1916
Xanthidium tylerianum West
United States, Massachusetts, Middlesex, Holliston

Miami University - Algae
Catalog #: 000210155
Charles Bullard #s.n.
Xanthidium tylerianum West
United States, Massachusetts, Middlesex, Holliston