University of Minnesota, Bell Museum of Natural History Herbarium Fungal Collection (MIN)
466190
78cd67e6-41f5-4ce0-8316-4b7030456283
1213831
Sphaerotheca humuli (DC.) Burrill
Erysiphaceae
E.D. Hansing (9/1/1933)
According to Farr et al. (Fungi on Plants and Plant Products in the United States, 1989), Sphaeraotheca humuli (DC.) Burril is synonymous with Sphaerotheca macularis (Wallr.:Fr.) Lind.