https://www.texasmushrooms.org/en/tylopilus_violatinctus.htm
Pale Violet Bitter Bolete (Tylopilus violatinctus) - mushrooms of Eastern Texas
Pictures of mushrooms Pale Violet Bitter Bolete (Tylopilus violatinctus) found in East and Central Texas
pale violetbitterboletetylopilusmushrooms
https://www.mushroomexpert.com/tylopilus_sordidus.html
Tylopilus sordidus (MushroomExpert.Com)
tylopilus
https://cris.continental.edu.pe/es/publications/tylopilus-hayatae-a-new-endemic-bolete-species-in-relict-mexican-/
Tylopilus hayatae, a new endemic bolete species in relict Mexican beech forest - Universidad...