Tilden, Amer. Algae
Tilden, J.E. [1-650]

Field Museum of Natural History
Catalog #: C0514617F
Josephine E. Tilden #s.n. 28 May 1898
Callithamnion subulatum Harvey
United States, Washington, San Juan, "Idlewild," near Friday Harbor, San Juan Island

Michigan State University Algae
Catalog #: MSC0183040
Josephine E. Tilden #s.n. 28 May 1898
Hollenbergia subulata (Harvey) E.M.Wollaston
United States, Washington, San Juan, Idlewild, near Friday Harbor, San Juan Island

Miami University - Algae
Catalog #: 000179582
Josephine E. Tilden #s.n. 28 May 1898
Hollenbergia subulata (Harvey) E.M.Wollaston
United States, Washington, San Juan, Idlewild, near Friday Harbor, San Juan Island