Canadian and some extralimital Paraphaeosphaeria species

Abstract

Six species of Paraphaeosphaeria O. Eriksson are redescribed, keyed, and illustrated: P. castagnei (Dur. & Mont.) O. Eriksson, P. glauco-punctata (Grev.) n. comb. (= P. rusci (Wallr.) O. Eriksson), P. michotii (West.) O. Eriksson (= Leptosphaeria iwamotoi Miyake, = L. zeae Stout, = Pleospora monilispora Fuckel), P. microspora (Ell. & Ev.) n. comb., P. obtusispora (Speg.) Hedjaroude, and P. vectis (Berk. & Br.) Hedjaroude. Two species are excluded: P. longispora (Wegelin) Crivelli and P. oblongata (Niessl) Crivelli.