Tricholoma: white spores; sinuate or notched gills; fibrous stipe. Stature: Tricholomatoid, Armillarioid, or Naucorioid.

A very difficult genus to recognize macroscopically. In Botany 360, you are required to recognized the annulate species as well as those species which have notched gills.

Tricholoma flavovirens with yellowish gills and stipe apex; this species has finely notched gills.