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

Michigan State University Algae
Catalog #: MSC0181487
Josephine E. Tilden #s.n. 01 August 1898
Callophyllis obtusifolia J.Agardh
Canada, British Columbia, Baird Cove, Strait of Juan de Fuca, Vancouver Island

Miami University - Algae
Catalog #: 000179597
Josephine E. Tilden #s.n. 01 August 1898
Callophyllis obtusifolia J.Agardh
Canada, British Columbia, Baird Cove, Strait of Juan de Fuca, Vancouver Island

Field Museum of Natural History
Catalog #: C0501305F
Josphine E. Tilden #s.n. 01 August 1898
Callophyllis obtusifolia J.Agardh
Canada, British Columbia, Vancouver Island, Strait of Juan de Fuca, Baird cove. On rocks under Zostera. Low tide