Primary collector
S.X.Zhang
Other collectors
C.J.Rothfels, K.Wefferling, K.Sweeten, S.Nosratinia
Duplicate locations
Two, to UC, SD.
Date collected
Primary Subdivision
Arizona
Secondary subdivision
Gila County
Specific locality
Pinal Mountains. Vicinity of Pioneer Pass, on the "Squaw Spring Trail 196", approx. 0.5km up from the trailhead (NW of it), as the crow flies.
Habitat
On steep sandy soil along trail, with two Quercus spp, and two Pinus sp.; flowers of a creamy white color.
Description
Common, loosely distributed along the trail.