@ARTICLE{TreeBASE2Ref16724, author = {Christina D. Moon and J. J. Guillaumin and Catherine Ravel and Chunjie Li and Kelly D Craven and Christopher Lewis Schardl}, title = {New Neotyphodium endophyte species from the grass tribes Stipeae and Meliceae}, year = {2007}, keywords = {}, doi = {}, url = {}, pmid = {}, journal = {Mycologia}, volume = {}, number = {}, pages = {}, abstract = {Several species of Achnatherum (grass tribe Stipeae) and Melica (tribe Meliceae) are typically infected by nonpathogenic, seed-transmissible fungi with characteristics of Neotyphodium species (mitosporic Clavicipitaceae). Molecular phylogenetic studies have clearly distinguished the endophytes from Achnatherum inebrians (from China), A. robustum, and A. eminens (both from North America), and indicate that the A. robustum, and A. eminens endophytes are hybrids with multiple Epichlo? species (holomorphic Clavicipitaceae) as ancestors. Likewise, distinct hybrid origins are indicated for Neotyphodium species from the European Melica species, M. ciliata and M. transsilvanica, the South African species M. decumbens and M. racemosa, and the South American species M. stuckertii. Neotyphodium species have been described from A. inebrians (N. gansuense), A. eminens (N. chisosum), M. stuckertii (N. tembladerae), and the South African Melica species. However, the endophytes from A. robustum and the European Melica species have not been described, and the phylogenetic relationships of N. gansuense have not been investigated. Here we report a comprehensive study of morphological features and phylogenetic analyses of beta-tubulin and actin gene sequences on an expanded collection of endophytes from the Stipeae and Meliceae. These data provide a firm foundation for the description of two new Neotyphodium species, N. guerinii from M. ciliata and M. transsilvanica, and N. funkii from A. robustum. We also propose the new variety, N. gansuense var. inebrians for endophytes of A. inebrians from Xinjiang Province, which are morphologically and phylogenetically distinct from  yet clearly related to  N. gansuense from Gansu Province} }

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