Erysiphe alphitoides

Amoebozoa»Mycetozoa
Oak powdery mildew (Erysiphe alphitoides) on leaf of Common oak (Quercus robur) Oak powdery mildew (Erysiphe alphitoides) on leaf of Common oak (Quercus robur) : oak powdery mildew, powdery mildew, mildew, Erysiphe alphitoides, white, powder, leaf, Common oak, oak, Quercus robur, quercus, disease, severe, nature, natural, summer, summertime, outside, outdoor, outdoors, no people, nobody