Chauvin, Y, S. Wood, E. Milford, and J. Oliva. 1999. Survey for Lee's pincushion cactus (Escobaria sneedii var. leei). Unpubl. report by NMNHP for Bureau of Land Management, Carlsbad Field Office. 26 p.

• Escobaria sneedii var. leei
• Guadalupe Mountains
• assessment
• Bureau of Land Management
• Carlsbad