Abstract
Four Durotheca-like taxa have been collected from Guizhou Province, China. ITS, RPB2, LSU, and β-tubulin loci sequences were amplified and analyzed using maximum likelihood and Bayesian analyses. Phylogenetic analyses of a combined ITS, LSU, RPB2, and β-tubulin gene dataset showed that our strains were species of Durotheca. Both morphological and molecular evidence confirmed that two are new species, Durotheca crateriformis and Durotheca guizhouensis, while Durotheca eurima (≡ Theissenia eurima) is a new record for China. Durotheca rogersii (≡ Theissenia rogersii) is a new record for Chinese mainland. Durotheca crateriformis differs from other species by its ascospores (13.5 × 5.5 μm) and crater-shaped ostioles. D. guizhouensis has unique smaller ascospores (10.5 × 4 μm). All new collections are illustrated and morphological descriptions are provided.
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