Rhytisma umbonatum (Hoppe ex Wallr.) Rabenh.

IMI 11126a. 采集地点: 匈牙利; near Vallombrosa. 相关生物: Rhytisma salicinum; Salix caprea; Salix purpurea (叶片). 采集者: Magocsy-Dietz, A.. 参考文献: 页码 Kryptogamae Exsiccatae a Mus. Palat. Vindobon. 208a.