11 November 1959.
Durango, Mexico
Locality: Villa Ocampo.
Elevation: 1981m.
Habitat: Wild Habitat
Comment: Documented with collection notes at the University of Arizona Herbarium. A herbarium voucher was not found there. Gentry's ID was Dalea citriodora, which Barneby later published as D. foliolosa. A seed sample was taken for propagation and for analysis.
Collector(s):