Abstract
Abstract Synoptic and dichotomous keys to 23 species of Oidiodendron and similar arthroconidial anamorphs of Myxotrichum were developed using morphological and physiological characters. Illustrations and brief descriptions based on living isolates and published descriptions are provided for all species treated. Included are the unnamed Oidiodendron states of Myxotrichum arcticum, M. cancellatum, M. emodense, M. setosum, and M. striatosporum, as well as the anamorphic species O. ambiguum, O. cerealis, O. chlamydosporicum (inclusive of O. scytaloides as a synonym), O. echinulatum, O. fimicola, O. flavum, O. fuscum, O. griseum, O. hughesii (inclusive of O. reticulatum as a synonym), O. maius (inclusive of O. maius var. citrinum and O. maius var. maius), O. muniellense, O. myxotrichoides, O. periconioides, O. pilicola, O. rhodogenum, O. setiferum (inclusive of O. ramosum as a synonym), O. tenuissimum, and O. truncatum. Oidiodendron fuscum, the original type species, is recognized as distinct. Oidiodendron robustum is excluded because of its large conidia and conidiophores and because the original drawings do not convincingly portray arthroconidia. Oidiodendron terrestre is excluded because its large, two-celled conidia, rapid growth, and hyaline conidiophores are inconsistent with the generic diagnosis and because the mode of its conidiogenesis is unclear from the original descriptions and illustrations. Taxonomic novelties: Oidiodendron maius var. citrinum (Barron) Rice & Currah stat. nov.
Published Version
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