Oenothera biennis L.
Selection criteria. Country: Ukraine (Sumy oblast). Associated organism: Erysiphe howeana (distribution map)
Number of records. 5.
Date information. 1985 (Aug).
Locations. Akhtyrka district, Okhtyrka district.
Literature. Gavrilo (1999) page(s) 436; Heluta (1989) page(s) 58.