"Erysiphe trifolii var. trifolii" . . "Erysiphe trifolii var. trifolii Grev., 1824" . . _:b76322118 . "1012398" . . "Erysiphe trifolii var. trifolii" . "Grev., 1824" . "Erysiphe trifolii var. trifolii" . . . _:b76322118 . . _:b76322118 "463934" . . _:b76322118 "Index Fungorum id" . _:b76322118 . . "463934" .