Fungi: Basidiomycota - rust fungus Melampsora populnea Photographs on Populus alba, White Poplar Hosts: Aecia polyphagous on Chelidonium, Corydalis, Larix, Mercurialis, Papaver and Pinus spp. Uredinia and telia on Populus alba, tremula, x canescens

Melampsora populnea
Lytchett Minster, Dorset. September 2017