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1,100,502 specimens across 6 departments, collected since 1754 — 100,256 names, 42,336 type specimens.
Erysiphe diffusa
BISH 605741 · Waite, M.B., 1918
Oregon
Erysiphe diffusa
BISH 605742 · Bartholomew, E., 1912
Bremerton
Erysiphe diffusa
BISH 605743 · Rorer, 1901
Waverly
Erysiphe diffusa
BISH 605744 · Dorsett, 1918
Columbia
Erysiphe diffusa
BISH 605745 · Bartholomew, E., 1903
Stockton
Erysiphe diffusa
BISH 608852 · Lohman, M.L., 1953
Dayton
Erysiphe diffusa
BISH 608853 · Lohman, M.L., 1953
Dayton