Collector and Number: D.W. Stevenson 565E
Locality: Mexico: San Luis Potosí: Route 70, 46 k West of [Ciudad] Valles, 650 m, 20-Jul-83
Type Location(s):NT:NY; INT:MEXU, NY
Type notes:Neotype designated by Stevenson & Sabato, Taxon 35(3): 579 (1986) with the incorrect type locality cited (Mexico: San Luis Potosí: W of Antiguo Morelos), the locality corrected here to that listed on the neotype specimen (Mexico: San Luis Potosí: Route 70, 46 k West of [Ciudad] Valles).
Nomenclatural notes: Issue date Jul-Dec 1847. See Stafleu (1966) in Wentia 16: 65.
Distribution: Mexico (San Luis Potosí)