Abstract
Two new species of Cystodermella, C. canadensis and C. rubrogranulosa, are described based on phylogenetic and morphological grounds, and compared with similar species. Four holotypes were barcoded: Agaricus terryi, Cystoderma texense, Lepiota sipariana and Melanoleuca vinosa. Two new combinations are proposed: Melanoleuca vinosa as Ripartitella vinosa, and Cystodermella contusifolia as Cystolepiota contusifolia. Cystodermella cristallifera and C. sipariana are found to be conspecific; the older name, C. sipariana, should be adopted and C. cristallifera deprecated as a later synonym. The holotypes of three species: Agaricus terryi, Cystoderma texense and Cystodermella mazahuanensis all represent Cystodermella cinnabarina, for which a neotype is selected.
References
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