10 October 1993.
Jalisco, Mexico
Locality: 0.75 km N inters. rd to Mezcalona & Mex Hwy 80 to Yahualica. S of Yahualica.
Coordinates: 20.9500, -102.8333
(Map it)
Elevation: 1790m.
Environment description: Edge of pasture & roadside area. Soil rocky clay. Assoc. sp. Tagetes, Salvia, Ipomoea, misc grasses.
Comment: Population moderate, sampled ca. 35 plants. Location coordinates estimated.
Collector(s): - Campos, Alvaro, Universidad National Autonoma de Mexico
- Fuentes-Granados, Roger, Iowa State University
- Roath, William W., USDA, ARS
- Widrlechner, Mark P., USDA, ARS