1997
Sharpe, M. (1997) Sensitive Plant Site Report, Lincoln National Forest, Streptanthus carinatus survey with Escobaria sneedii leei observation. Guadalupe RD, Lincoln NF, USFS.
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Escobaria sneedii var. leei
Sharpe, M. (1997) Sensitive Plant Site Report, Lincoln National Forest, Streptanthus carinatus survey with Escobaria sneedii leei observation. Guadalupe RD, Lincoln NF, USFS.
Rohrer, T. (1997) Unsolicited unpublished coordinates for an instance of Lee's Survey Cactus. Wild Cow Mesa Area, Guadalup RD, Lincoln NF, USFS. 2 p.
Worthington, R. 2001. Inventory of the Flora of the New Mexico Portion of the Guadalupe Mountains, Otero and Eddy Counties, New Mexico. Working Third Draft. USFS
Tonne, P. 2003. Results of rare plant surveys on Carlsbad Caverns National Park. Natural Heritage New Mexico, Museum of Southwestern Biology, Department of Biology, University of New Mexico. NHNM Publication No. 03-GTR-313.
Zimmerman, A. D., and B. D. Parfitt. 2006. Flora of North America. Volume 4. Pages 236-237.
Chauvin, Y. 1998. Rare plant survey of Escobaria sneedii var leei in Serpentine Bends, NM. 3 p.
Muldavin, E. 2012. Observations of escobaria sneedii var. leei at Carlsbad Caverns. Natural Heritage New Mexico.
Zimmerman, A.D. 1985. Systematics of the genus Coryphantha (Cactaceae). Austin, TX: University of Texas. Dissertation.
Roth, D. 2016. Lee’s Pincushion Cactus (Escobaria sneedii var. leei). Post-fire Monitoring Report. Unpublished report prepared by EMNRD-Forestry Division, Santa Fe, NM for the U.S. Fish & Wildlife Service, Region 2, Albuquerque, NM.
Roth, D. 2015. Lee's Pincushion Cactus (Escobaria sneedii var. leei): post-fire monitoring report, 2014. NM Energy, Minerals, and Natural Resources Department.