 He is remembered in the plant genera <unk> and <unk> , and the mushroom Psathyrella candolleana . <unk> , a scientific journal that publishes papers on systematic botany and <unk> , was named after de Candolle and his descendants in honor of their contribution to the field of botany . He was a mentor to the French @-@ Mexican botanist Jean @-@ Louis <unk> . 
