Cladistic Analysis of Characteristics of Trichiales(Myxomycetes)

The morphological characteristics of Trichiales in China were evaluated as taxonomic criteria by cladistic analysis.Two families in Trichiales were divided: Dianemaceae contains Dianema,Calomyxa,Perichaena and Olygonema,and Trichiaceae contains Arcyria,Hemitrichia,Metatrichia and Trichia. Phylogenetic relationship between genera was discussed.