New records for powdery mildews and Taphrina species in Idaho and Washington

摘要

Podosphaera? ( Sphaerotheca )? euphorbiae? on? Euphorbia epithymoides? (=? E. polychroma , cushion spurge) is reported for the first time in North America.? Neoerysiphe? (? Erysiphe? )? galeopsidis? on? Lamium amplexicaule? (henbit),? Blumeria? ( Erysiphe )? graminis? on Festuca idahoenis? (Idaho fescue),? Taphrina johansonii? on? Populus tremuloides? (trembling aspen), and? Taphrina occidentalis? on? Alnus rubra? (red alder) are reported for the first time from Idaho. Reports of? Erysiphe cichoracearum? on henbit may reflect misdetermined? Neoerysiphe galeopsidis .