Mexico, Sonora, NĂ¡cori Chico, Eastern floodplain of the Rio Bavispe, 0.5 mile south of Rio Bavispe Bridge, which is along road just east of Rancho Tres Rios, 12 miles (road), 5.93 miles (9.55 km) (air) north of Mesa Tres Rios.
29.884354 -108.627944 +-100m. WGS84
1395 meters
4578 feet
River floodplain in mountainous pine oak woodland.
0.75 meter tall ascending to erect herb with pinnately divided serate-edged leaves and flower heads with few white ray flowers and yellow disk flowers..