Rhytisma umbonatum (Hoppe ex Wallr.) Rabenh.

IMI 13135. 采集地点: 捷克共和国; Moravia; near Weisskirchen, by River Becwa near Ribar. 采集日期: 1940年8月. 相关生物: Salix purpurea (叶片). 采集者: Petrak, F.. 参考文献: 页码 Crypt. Exsiccatae a Mus. Hist. Nat. Vindobon. 3535.