| big-tree plum | (n) small tree of southwestern United States having purplish-red fruit sometimes cultivated as an ornamental for its large leaves, Syn. Prunus mexicana |
| hognose bat | (n) small-eared Mexican bat with a long slender nose, Syn. Choeronycteris mexicana |
| jerusalem oak | (n) Eurasian aromatic oak-leaved goosefoot with many yellow-green flowers; naturalized North America, Syn. Mexican tea, Atriplex mexicana, Chenopodium botrys, feather geranium |
| mexican hyssop | (n) erect perennial of Mexico having rose to crimson flowers, Syn. Agastache mexicana |
| mexican poppy | (n) annual herb with prickly stems and large yellow flowers; southern United States to West Indies and Mexico, Syn. Argemone mexicana |
| tanglebush | (n) spiny branching deciduous shrub of southwestern United States having clusters of insignificant yellow-white flowers appearing before leaves followed by attractive black berrylike fruits, Syn. desert olive, Forestiera neomexicana |
