Definition: A group of species that exploit the same food resources, and/or use the same feeding or foraging methods. http://en.wikipedia.org/wiki/Guild_(ecology)
Known occurrences, collected specimens and observations of Agaricus pseudolutosus (G. Moreno, Esteve-Rav., Illana & Heykoop) G. Moreno, L. A. Parra, Esteve-Rav. & Heykoop 1999. View this species on GBIF