J.B. Ellis, B.M. Everhart, and E. Bartholomew [1501-5100, plus extras]

Cornell University Plant Pathology Herbarium
Catalog #: F.Columbiani-0418a
W.C. Blasdale #NAF 557 00 May 1894
Sphaerotheca castagnei Lév.
United States, California, Sonoma, Santa Rosa;