Powdery Mildews on Weeds in the Pacific Northwest: A Miscellany of New Records
Erysiphe polygoni on Rumex crispus, documented previously in California, is reported for the first time in the Pacific Northwest. Podosphaera (Sphaerotheca) fusca is reported in the Pacific Northwest for the first time on Taraxacum laevigatum, a host record documented previously in Europe. New host records for Idaho are Golovinomyces sordidus on Plantago major, Erysiphe convolvuli on Convolulus arvensus, and Podosphaera ( Sphaerotheca) aphanis on Geum macrophyllum. Golovinomyces (Erysiphe) cichoracearum on Cirsium arvense is reported for the first time in Washington.
Ampelomyces; biological control; biogeography; Cirsium arvense; Convolulus arvensus; Erysiphales; Erysiphye polygoni; Eyrsiphe convolvuli; Geum macrophyllum; Golovinomyces cichoracearum; Golovinomyces sordidus; plant pathogen; Plantago major; Podosphaera
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ISSN 1937-786X | ©2006-2014 Pacific Northwest Fungi Project