Fungi: Basidiomycota - rust fungus Melampsora laricis-populina Photographs on Populus x canadensis, Canadian Poplar Hosts: Aecia on Larix spp. Uredinia and telia on Populus balsamifera, nigra, trichocarpa, x canadensis

Melampsora laricis-populina
Wimborne, Dorset. September 2017