A.B. Seymour and F.S. Earle [1-550, plus extras]

Louisiana State University, Bernard Lowy Mycological Herbarium
Catalog #: LSU00158485
R. E. Blount #s.n. 13 September 1890
Sphaerotheca pannosa (Wallr.) Lév.
United States, Illinois, Ogle, Byron

Iowa State University, Ada Hayden Herbarium
Catalog #: ISC-F-0118997
R.E. Blount #s.n. 13 September 1890
Sphaerotheca pannosa (Wallr.) Lév.
USA, Illinois, Byron;