Uromyces acetosae - <p><i><b>Uromyces acetosae</b></i> J. Schröter </p> © This image was created by user Gerhard Koller (Gerhard) at Mushroom Observer, a source for mycological images.You can contact this user here. - CC BY-SA 3.0 - Wikimedia Commons
Forêt de la Massane - Mas Larrieu - Ravin de Valbois