Franklin Mountains
1981
Worthington, R. D. 1981. Locations of two populations of Sneed's cactus in the Anthony Gap area. University of Texas. Department of Biological Sciences. El Paso, Texas 79968. 6 pages.
U81WOR03NMUS
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1992
Van Devender, R., and R. Rondeau. 1992. The status of Sneed's pincushion cactus (Coryphantha sneedii var. sneedii) in Texas. Southwestern Field Biologists. Tuscon, Arizona. 20 p.
U92VAN01NMUS
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1996
Mehlhop, P., E. Muldavin, T. Bennett, S. Wood, S. Yanoff, N. Douglas, and S. Radjy. 1996. Vegetation of Fort Bliss Texas and New Mexico. Final report volume II: vegetation map. Natural Heritage New Mexico Publ. No. 96-GTR-99. 32 p. + app.
U96MEH01NMUS
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2001
Birnbaum, S. J. 2001. Sneed's pincushion cactus (Escobaria sneedii var. sneedii) localities in New Mexico. Texas Parks and Wildlife. Austin, Texas. 2 pages.
U01BIR01NMUS
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1985
Zimmerman, A.D. 1985. Systematics of the genus Coryphantha (Cactaceae). Austin, TX: University of Texas. Dissertation.
A85ZIM01NMUS
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