W.A. Kellerman and W.T. Swingle [1-50, plus extras]
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USDA United States National Fungus Collections
Catalog #: BPI 602813
s.n. 07 August 1889
Podosphaera leucotricha (Ellis & Everh.) E.S. Salmon
United States, Kansas, Manhattan, Riley Co. K. S. A. C. Nursery
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