Is XXX a genus or species?
Amanita
Poisonous species include Amanita brunnescens, Amanita ceciliae, Amanita cokeri (Coker's amanita), Amanita crenulata, Amanita farinosa (eastern American floury amanita), Amanita flavorubescens, Amanita frostiana, Amanita muscaria (fly agaric), Amanita pantherina (panther cap), and Amanita porphyria.