Sheer's pincushion cactus

Alderete, J., S. Lerich, L. Kamees, G. Norman, and J. Mills. 1995. A report on a biological survey for HELSTF/Navy site.

• Texas horned lizard
• Sheer's pincushion cactus
• Phrynosoma cornutum
• Coryphantha scheeri var. valida
• Coryphantha scheeri
• WSMR SBE

Tonne, P. 2002. Results of rare plant surveys on Carlsbad Caverns National Park. 23p. + appendices.

Chauvin, Y., J.P. Oliva, P. Arbetan, and E. Muldavin. 2000. A Floristic Survey and Vegetation Map for the New Mexico Army National Guard Happy Valley Training Site. 28 p.

Howard, M. 2011. BLM Special Status Plants Data. Plant Conservation Program, Bureau of Land Management, New Mexico State Office.