Powdery mildew (Podosphaera amelanchieris on Amelanchier lamarckii) chasmothecia with dichotomo
Powdery mildew (Podosphaera amelanchieris on Amelanchier lamarckii) chasmothecia with dichotomous appendages. -- source link
#fungus#mycology#plant pathology#plant disease#microscopy#powdery mildew#erysiphales#ascomycota#parasite#microfungi#ascospores#spores