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

Field Museum of Natural History
Catalog #: C0172556F
Josephine E. Tilden #s.n. 01 January 1898
Urospora wormskjoldii var. vancouveriana Tilden
Canada, British Columbia, On island, two miles east of Oak bay, Victoria

Michigan State University Algae
Catalog #: MSC0185221
Josephine E. Tilden #s.n. 01 July 1898
Urospora wormskioldii (Mertens ex Hornemann) Rosenvinge
Canada, British Columbia, On island, two miles east of Oak Bay, Victoria

Miami University - Algae
Catalog #: 000179659
Josephine E. Tilden #s.n. 01 July 1898
Urospora wormskioldii (Mertens ex Hornemann) Rosenvinge
Canada, British Columbia, On island, two miles east of Oak Bay, Victoria