"Tricholoma pardinum" lies within the subgenus "Pardinicutis" of "Tricholoma", a grouping of similar species characterised by greyish, brownish, or pallid caps that are woolly or covered in small scales, spores with a length between 8 and 11 micrometres, and abundant clamp connections in the hyphae.Molecular analyses suggest that "T. pardinum" is closely related to "T. huronense", "T. mutabile", and "T. venenatum".