The ancient Aztecs employed a variety of entheogenic plants and animals within their society. The various species have been identified through their depiction on murals, vases, and other objects. The plants used include ololiuqui (Rivea corymbosa), teonanácatl (Psilocybe spp.), sinicuichi (Heimia salicifolia), toloatzin (Datura spp.), peyotl (Lophophora williamsii) and many others.