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

Field Museum of Natural History
Catalog #: C0512572F
Josephine E. Tilden #s.n. 21 June 1898
Polysiphonia atrorubescens (Dillwyn) Greville
United States, Washington, San Juan, Outlet of Warbass lagoon, south end of San Juan Island

Michigan State University Algae
Catalog #: MSC0184246
Josephine E. Tilden #s.n. 21 June 1898
Polysiphonia atrorubescens (Dillwyn) Greville
United States, Washington, San Juan, Outlet of Warbass lagoon, south end of San Juan Island

Miami University - Algae
Catalog #: 000179589
Josephine E. Tilden #s.n. 21 June 1898
Polysiphonia atrorubescens (Dillwyn) Greville
United States, Washington, San Juan, Outlet of Warbass lagoon, south end of San Juan Island

University Herbarium, University of California, Berkeley
Catalog #: UC763627
Josephine E. Tilden #s.n. 21 July 1898
Lophosiphonia obscura (C.Agardh) Falkenberg
United States, Washington, Outlet of Warbass lagoon, south end of San Juan Island, Washington.