Mallocybe erratum (E. Horak, Matheny & Desjardin) Haelew. comb. nov.
≡ Inocybe errata E. Horak, Matheny & Desjardin, Phytotaxa 230(3): 210 (2015). [Basionym]
Note.
This combination is based on phylogenetic evidence of the holotype (Horak et al. 2015). Based on both nrLSU-alone and nrLSU-rpb1-rpb2 datasets, it is placed deep in Mallocybe . It is highly supported as a sister species to an undescribed Zambia species (" I. microdulcamara " nom. prov.), both sister to M. heimii (Bon) Matheny & Esteve-Rav. (Matheny et al. 2009, Horak et al. 2015).