First Report of <i>Melampsora euphorbiae</i> on Poinsettia (<i>Euphorbia pulcherrima</i>) in Norway

Fig. 1. Necrotic spots on the upper surface of a leaf of poinsettia (Euphorbia pulcherrima cv. Cortez White) infected with Melampsora euphorbiae. Photo by V. Talgø.

Image from Applied Turfgrass Science article:
First Report of Melampsora euphorbiae on Poinsettia (Euphorbia pulcherrima) in Norway