Ellis & Everhart, N. Amer. Fungi. Ser. II
J.B. Ellis ; B.M. Everhart [1501-3600, plus extras]

Purdue University, Kriebel Herbarium
Catalog #: PUL00026776
BD Halsted s.n. 00 June 1889
Peronospora viticola (Berkeley & M.A. Curtis) de Bary
United States, California, Napa

University of Nebraska State Museum, C.E. Bessey Herbarium - Fungi
Catalog #: NEB00062462
Dr. H. W. Harkness s.n. 00 June 1889
Peronospora viticola (Berkeley & M.A. Curtis) de Bary
United States, California, Napa

University of Nebraska State Museum, C.E. Bessey Herbarium - Fungi
Catalog #: NEB00062465
Dr. H. W. Harkness s.n. 00 June 1889
Peronospora viticola (Berkeley & M.A. Curtis) de Bary
United States, California, Napa

Miami University, Willard Sherman Turrell Herbarium
Catalog #: 000229858
H. W. Harkness #2427a 00 June 1889
Rhysotheca viticola (Berk. & M.A. Curtis)
USA, California, Napa

USDA United States National Fungus Collections
Catalog #: BPI 785102a
Harkness, H. W. s.n. 00 June 1889
Plasmopara viticola (Berk. & M.A. Curtis) Berl. & De Toni
United States, California, Napa