Powdery #mildew observed on greater celandine (#Chelidonium majus), maybe caused by #Erysiphe macleayae (Jiang et al., 2015; Chinan, 2018). Conidiophores and conidia are visible, but no sexual features (chasmothecia, asci, etc.).
#StreetPlantPathogen

Powdery #mildew observed on greater celandine (#Chelidonium majus), maybe caused by #Erysiphe macleayae (Jiang et al., 2015; Chinan, 2018). Conidiophores and conidia are visible, but no sexual features (chasmothecia, asci, etc.).
#StreetPlantPathogen

And quite similar symptoms on common #dandelion (Taraxacum officinale), likely caused by #Ramularia taraxaci?
#StreetPlantPathogen

And quite similar symptoms on common #dandelion (Taraxacum officinale), likely caused by #Ramularia taraxaci?
#StreetPlantPathogen

Erysiphe cichoracearum on Lactuca serriola (A, B) and Taraxacum officinale (C)
#StreetPlantPathogen

Erysiphe cichoracearum on Lactuca serriola (A, B) and Taraxacum officinale (C)
#StreetPlantPathogen

Podosphaera plantaginis on Plantago lanceolata
#StreetPlantPathogen

Podosphaera plantaginis on Plantago lanceolata
#StreetPlantPathogen