= Proboscidea parviflora
= Proboscidea parviflora subsp. parviflora (Proboscidea parviflora subsp. gracillima)
= Proboscidea parviflora subsp. sinaloensis
= Proboscidea parviflora subsp. parviflora var. hohokamiana (Proboscidea parviflora var. hohokamiana)