Ellis & Everhart, Fungi Columb.J.B. Ellis ; B.M. Everhart [1 - 1400]
USDA United States National Fungus Collections
Shear C. L. s.n. 29 June 1899
Erysiphe communis (Wallr.) Schltdl.
United States, Washington, Blue Mtns.
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USDA United States National Fungus Collections
Shear C. L. s.n. 29 June 1899
Erysiphe polygoni DC.
United States, Washington, Blue Mtns.
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USDA United States National Fungus Collections
Shear C. L. s.n. 29 June 1899
Erysiphe polygoni DC.
United States, Washington, Blue Mtns.
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