An undescribed Curvularia sp. was isolated from the leaf spot disease of Barbados Lily (Hippeastrum
striatum (Lam.) Moore). Phylogenetic analyses of combined ITS, 28S, GPD1 and TEF1 sequence data place nine strains of this species in the trifolii-clade, but they clustered together as an independent lineage with strong support. This species was morphologically compared with related species in the trifolii-clade. Based on differences in morphology and phylogeny, it is concluded that this species is a new taxon, introduced as Curvularia
microspora
sp. nov. Pathogenicity testing determined the new species to be pathogenic on H.
striatum.
Two Paramyrothecium and seven Albifimbria strains belonging to Stachybotryaceae were isolated from soil samples in Guizhou Province, China. The Paramyrothecium strains produced smaller conidia with rounded apices at both ends. Morphological description and comparison based on combined ITS+tub2+CAL gene phylogenetic analysis for Paramyrothecium group and ITS+tub2+CAL+rpb2 combined analysis for the Albifimbria group were used to identify these fungi. The results indicate that Paramyrothecium hydei is new to science, while Albifimbria terrestris and A. verrucaria are new records for China.
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