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

University Herbarium, University of California, Berkeley
Catalog #: UC278210
A. H. Elftman #s.n. 27 July 1896
Tetraspora cylindrica (Wahlenberg) C.Agardh
United States, Minnesota, Cook, Grand Marais, Lake Superior

University Herbarium, University of California, Berkeley
Catalog #: UC740286
A. H. Elftman #s.n. 27 July 1896
Tetraspora cylindrica (Wahlenberg) C.Agardh
United States, Minnesota, Cook, Grand Marais, Lake Superior

Michigan State University
Catalog #: MSC0185001
A.H. Elftman #s.n. 27 July 1896
Tetraspora cylindrica (Wahlenberg) C.Agardh
United States, Minnesota, Cook, Grand Marais, Lake Superior

Miami University
Catalog #: 000179318
A.H. Elftman #s.n. 27 July 1896
Tetraspora cylindrica (Wahlenberg) C.Agardh
United States, Minnesota, Cook, Grand Marais, Lake Superior