@ARTICLE{TreeBASE2Ref31446, author = {Jonathan Norman Mack and Keith A Seifert and Rafik Assabgui}, title = {Taxonomy and phylogeny of the hyphomycete genus Hormomyces (Tulasnellaceae)}, year = {2020}, keywords = {Dacrymyces; Oosporidium; Tremella; Tulasnella; 1 new taxon}, doi = {}, url = {http://}, pmid = {}, journal = {FUSE}, volume = {}, number = {}, pages = {}, abstract = {The taxonomy of the genus Hormomyces, typified by Hormomyces aurantiacus, which was long assumed to be the hyphomycetous anamorph of Tremella mesenterica based on circumstantial evidence, is revised. Phylogenies based on the three nuc rDNA markers, based on cultures from Canada and the United States, suggest that the genus is synonymous with Tulasnella rather than Tremella. Morphological studies of 38 herbarium specimens, including type specimens of four of the seven described species, and DNA sequence analysis suggest that other species attributed to Hormomyces are either conspecific with H. aurantiacus, or are unlikely to be related to Tulasnella. The conidial chains produced by H. aurantiacus are similar to monilioid cells produced by anamorphs of Tulasnella, often referred to the anamorph genus Epulorhiza. The new combination Tulasnella aurantiaca is proposed and the species is redescribed, illustrated and compared with similar fungi. The ecological niche of T. aurantiaca and its possible relationship to orchid root endophytes is discussed. A key to anamorph genera with similar conidium ontogeny to T. aurantiaca is provided. } }

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