Nigrospora Zimm.
“Mycelium in parenchymate foliorum parasiticum. Conidiophore ex stomatibus exsilientia, brevia, apce monospora.
Conidia aterrima, globose, 1-cellularia, membrana hyaline laxa obvoluta; membrana infra conidiophore apicem am-
plexante, supra tegmen diaphanum conidia formante.”Albrecht Wilhelm Phillip Zimmermann, 1902