21 November 1971.
Guerrero, Mexico
Locality: 1 km north of Mazatlan, near Chilpancingo.
Coordinates: 17.4500, -99.4833
(Map it)
Georeference protocol: Lat/Lon determined from GIS
Comment: Site 1. Single seed per plant. Lat/lon accurate to Mazatlan.
Collector(s):