University of Illinois, Illinois Natural History Survey Fungarium (ILLS)
ILLS00168816
9311
Mycosphaerella ribis (Sacc.) Lindau
Mycosphaerellaceae
P.A. Young
1113
1922-06-26
26 June 1922
United States, Illinois, Hamilton, Delafield
38.147826 -88.602832 +-3036m. WGS84
host: On Ribes sp.
Infecting 100% of field, 100% of host. Causing slight damage yet, 1/5-all reduction of photosynthetic surface. Common in the past, causing little damage. No control measures taken.