Basionym Name:Passalora bacilligera f. alnobetulae Jaap, Verh. bot. Ver. Prov. Brandenb. 49: 28 (1907)
Homotypic synonyms:Passalora alnobetulae (Jaap) Jaap, Annls mycol. 15(1/2): 123 (1917)Passalora bacilligera var. alnobetulae (Jaap) Lindau, Rabenh. Krypt.-Fl., Edn 2 (Leipzig) 1.8: 791 (1907)Passalora bacilligera var. alnobetulae (Jaap) Jaap, Annls mycol. 5(3): 270 (1907)