Marc. A. Baker.; Robert A. Johnson. 2000. Morphometric analysis of Escobaria sneedii var. sneedii, E. sneedii var. leei, and E. guadalupensis (Cactaceae). Systematic Botany 25(4): pp. 577-587.

• Escobaria sneedii var. leei
• Escobaria sneedii var. sneedii
• Escobaria guadalupensis

University of New Mexico Herbarium. 2000. Excel spreadsheet containing herbarium specimen records for LE, LT, C and SCF species.

Muldavin, E. 2012. Observations of escobaria sneedii var. leei at Carlsbad Caverns. Natural Heritage New Mexico.

• Lee's pincushion cactus
• Escobaria sneedii var. leei

Chauvin, Y. 1998. Rare plant survey of Escobaria sneedii var leei in Serpentine Bends, NM. 3 p.

• Escobaria sneedii var. leei

S62PIESBNMUS, Legacy reference. Physical copy not yet located.

S77BURXXNMUS, Legacy reference. Physical copy not yet located.

S79BRASBNMUS, Legacy reference. Physical copy not yet located.

S84HEISJNMUS, Legacy reference. Physical copy not yet located.

• ALAMO PENSTEMON
• COPPER ZEPHYR LILY
• SCHEER'S PINCUSHION CACTUS

S84WARLCNMUS, Legacy reference. Physical copy not yet located.

S99CHASBNMUS, Legacy reference. Physical copy not yet located.

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

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.

Tonne, P. 2005. Results of rare plant surveys on Carlsbad Caverns National Park Rattlesnake Canyon Trail. Natural Heritage New Mexico Publication No. 05-GTR-295. 50 p.

Roth, D. 2015. Lee's Pincushion Cactus (Escobaria sneedii var. leei): post-fire monitoring report, 2014. NM Energy, Minerals, and Natural Resources Department.

• Lee's pincushion cactus
• Escobaria sneedii var. leei

Roth, D. 2016. Lee's Pincushion Cactus (Escobaria sneedii var. leei): post-fire monitoring report, 2015. New Mexico Energy, Minerals, and Natural Resources Department, Forestry Division, Santa Fe, NM. 9 p.

• Escobaria sneedii var. leei
• Lee's pincushion cactus

• Link

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 Unpublished report prepared by EMNRD-Forestry Division, Santa Fe, NM for the U.S. Fish & Wildlife Service, Region 2, Albuquerque, NM.

• Escobaria sneedii var. leei

• Link

Burgess, T. 1979. Unpublished letter to S. Talbot of the US Fish and Wildlife Service on 14 Feb 1979.

Dunmire, W. W. 1990. An investigation of biological resources focusing on plant and animal communities with recommendations for future management actions, Biological Inventory, Dark Canyon ACEC, Carlsbad Resource Area. Prepared for BLM by TNC Field Office

• Penstemon cardinalis ssp. Regalis
• Perityle quinqueflora
• Salvia summa
• Coryphantha sneedii var. leei
• Epithelantha micromeris
• Mammillaria heyderi
• BUTTON-CACTUS
• LITTLE NIPPLE-CACTUS

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.

Rohrer, T. Sharpe, M. (1997) Sensitive Plant Site Report, Population Site Report, Lincoln National Forest, Field Notes. Corypantha sneedii leei. Guadalupe RD, Lincoln NF, USFS. 3 p.

• Escobaria sneedii var. leei

Sharpe, M. Rohrer, T. (1997) Sensitive Plant Site Report, Population Site Report, Lincoln National Forest, Field Notes. Corypantha sneedii var. leei. Guadalupe RD, Lincoln NF, USFS. 6 p.

• Escobaria sneedii var. leei

Sharpe, M. Brewer, M. (1997) Sensitive Plant Site Report, Population Site Report, Lincoln National Forest, Field Notes. Corypantha sneedii leei. Guadalupe RD, Lincoln NF, USFS. 3 p.

• Escobaria sneedii var. leei

Sharpe, M. Rohrer, T. (1997) Inventory Completion Report, Sensitive Plant Survey, Lincoln National Forest, Field Notes. Guadalupe R.D. Corypantha sneedii leei - Open Hollow Gulch. Guadalupe RD, Lincoln NF, USFS. 3 p.

• Escobaria sneedii var. leei

Sharp, M. Bremer, M. (1997). Unpublished map and supporting documentation for Corypantha sneedii var. leei observations. Guadalupe RD, Lincoln NF, USFS. 6 p.

• Escobaria sneedii var. leei

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

New Mexico Natural Heritage Program, unpublished manual database plant records from NMNHP 1976 - 87. Forestry & Resources Conservation Div. of Energy, Minerals & Natural Resources Department

New Mexico Natural Heritage Program. Unpublished mainframe computer database plant and animal records from NM Natural Heritage Program Pre-1987.