Neosecotium is a genus of fungi in the family Agaricaceae. The genus was circumscribed in 1960 by American mycologists Rolf Singer and Alexander H. Smith. The type species, N. macrosporum, previously only known from the US, was recorded in Mexico in 2012.
Species taxanomy provided by GBIF Secretariat (2022). GBIF Backbone Taxonomy. Checklist dataset https://doi.org/10.15468/39omei accessed via GBIF.org on 2023-06-13; License: CC BY 4.0