@ARTICLE{TreeBASE2Ref18036, author = {Zheng Wang and Manfred Binder and David S. Hibbett}, title = {Aquatic discomycetes Mitrula (Helotiales, Ascomycota): life history and systematics based on cultural, morphological and molecular studies}, year = {2005}, keywords = {}, doi = {}, url = {}, pmid = {}, journal = {American Journal of Botany}, volume = {}, number = {}, pages = {}, abstract = {Abstract: Mitrula species represent a group of aquatic discomycetes with an uncertain position in the Helotiales and an unknown life history. In this study, the life history and phylogenetic relationships of Mitrula were studied using a combination of cultural, morphological, and molecular techniques. Pure colonies were isolated from spores of Mitrula ascomata, conidiospores of Mitrula elegans were produced in vitro. Herbarium materials of Mitrula species from Europe, Asia, and North America were studied. Sequences of rDNA, including partial ssu-rDNA, lsu-rDNA and ITS, were used for inferring phylogenetic relationships both within Mitrula and between Mitrula and other inoperculate discomycetes. Special attention was given to possible relationships with fungi that resemble Mitrula in morphology. Equally-weighted parsimony analyses, likelihood analyses under GTR+G+I model, constrained analyses and Bayesian analyses were performed. Results suggest that 1) Four lineages can be recognized in Mitrula based on molecular data and morphological, and Mitrula elegans - Mitrula paludosa species complex is not monophyletic; 2) A close relationships between Mitrula and either Geoglossaceae or Sclerotiniaceae is not supported; 3) Mitrula belongs to a clade within the Helotiales that also includes the aero-aquatic genera, Cudoniella, Hydrocina, Vibrissea, Ombrophila, and Hymenoscyphus.} }

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