 To that end, the International Botanical Congress has voted on two occasions (1988 and 2006) to conserve the name "Tricholomataceae" against competing names.This decision does not invalidate the use of segregate families from the Tricholomataceae, but simply validates the continued use of Tricholomataceae.Molecular phylogenetic analysis has greatly aided the demarcation of clear monophyletic groups among the Tricholomataceae.