Erythrina herbacea is also found in some areas of the Dragoon Mountains in Southern Arizona, located around areas of the Cochise Stronghold and other older Indian remnants. It was most likely introduced through trade from the Mogollon culture that existed in the area from 150 AD to 1400 AD, and possibly even the later Apache Indians who occupied the area in the 19th century. Confirmation of Erythrina herbacea, Dec. 27 2013, of Erythrina herbacea in the Council Rocks area of the Dragoon Mountains, a prominent area filled with signs of Mogollon culture. Further research of the surrounding area is needed for range confirmation.