A taxonomic survey of some species ofDidymellaandDidymella-like species

摘要

Descriptions and illustrations are provided for 15 species ofDidymella:D.alectorolophi,D.applanata,D.astragalina,D.bryoniae,D.castillejae,D.delphinii,D.eupyrena,D.exigua,D.festucae,D.glacialis,D.hellebori,D.pedicularis,D.phacae,D.proximella,D.trifoliiand forDidymella(?)abieticola,Pseudomassaria corni,Lophiosphaera lophosporacomb. nov., andMycosphaerella prominula. A key to the species and a host index are also provided. Species ofDidymellaincluded in this study fall into two small but well-defined subgeneric groups and one large heterogeneous intermediate group.