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

Field Museum of Natural History
Catalog #: C0531573F
M. G. Fanning #s.n.
Pithophora oedogonia (Montagne) Wittrock
United States, Texas, [precise locality unknown]

Field Museum of Natural History
Catalog #: C0531568F
M. G. Fanning #s.n.
Pithophora oedogonia (Montagne) Wittrock
United States, Texas, [precise locality unknown]

Michigan State University Algae
Catalog #: MSC0184084
M.G. Fanning #s.n.
Pithophora roettleri (Roth) Wittrock
United States, Texas, [No precise loc]

Miami University - Algae
Catalog #: 000185115
M.G. Fanning #s.n. 08 July 2015
Pithophora roettleri (Roth) Wittrock
United States, Texas, [No precise loc]