Mississippi River | River Thames | Santa Cruz de la Sierra | Amazon River | Columbia River | Santa Cruz | Santa Barbara, California | Santa Fe | Hudson River | Colorado River | Potomac River | Santa Fe, New Mexico | river | Ohio River | Santa Barbara | Santa Claus | Santa Catarina (state) | Missouri River | Delaware River | Murray River | River Tyne | Santa Catarina | Madeira River | University of California, Santa Cruz | Volga River | River Nene | River Clyde | River Trent | River Severn | University of California, Santa Barbara |
Despite its limited range, it is classified as a species of Least Concern in the IUCN Redlist, and there has been some range expansion along the Santa Cruz River as well as in Oak Creek Canyon near Sedona.
Nogales, Arizona and Nogales, Sonora lie at the eastern foothills of the range in the upper region of the north-south Santa Cruz River Valley, and in the I-17 corridor.