![]() Psathyrella is subdivided into 18 sections (sections Noli-tangere, Saponaceae, Stridvalliorum, Arenosae, Confusae, Sublatisporae, Sinefibularum are new), and sections Pennatae, Pygmaeae and Pseudostropharia are emended. ![]() Galerella floriformis is shown to belong to the Psathyrellaceae and the new genus Hausknechtia is erected for it. Candolleomyces, Britzelmayria, Narcissea, Olotia, Punjabia and Tulosesus, and the corresponding new combinations are proposed. Six new, monophyletic genera are recognized, viz. A new generic system is proposed, which includes the known genera Coprinellus, Coprinopsis, Cystoagaricus, Homophron, Hormographiella, Kauffmania, Lacrymaria, Parasola, Psathyrella and Typhrasa. Special attention was given to the alignment procedures and an iterative multigene guide tree was used to achieve the best possible phylogenetic hypotheses. ![]() A total of 18,133 sequences (ITS, 5.8S, LSU, ef-1α, β-tubulin), with 45 newly generated, were evaluated from a wide geographic sampling. The family Psathyrellaceae was analysed using phylogenetic and morphological characters.
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