Guadalupe Mountains
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.
Knight, P.J. 1989. Survey of Big Canyon, Guadalupe Mountains for Hedeoma apiculata.
Geluso, K.N. and K. Geluso. 2013. Distribution and natural history of Nelson's pocket mouse (Chaetodipus nelsoni) in southeastern New Mexico. Final Report to Share with Wildlife Program, New Mexico Department of Game and Fish, Professional Services Contra
Worthington, R. 1999. Monitoring of populations of Hedeoma apiculatum Stewart (Lamiaceae) in Lincoln National Forest, Guadalupe Mountains, Eddy Co., New Mexico. 7 p. + field notes.
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.
Tonne, P. 2002. Results of rare plant surveys on Carlsbad Caverns National Park. 23p. + appendices.
Foote, J. 2013. Hibernating bat count - Jan 27, 2013, Cottonwood Cave. Submitted to Lincoln National Forest.
Tonne, P. 2005. Results of field mapping of Gypsum Wild Buckwheat (Eriogonum gypsophilum). 17 p.
Humpreys, D. 1993. Mule deer research: Final report. Federal Aid in Wildlife Restoration Project W-124-R-16. NM Dept. of Game and Fish.
Hershey, A. L. 1940. Notes on Plants in New Mexico Volume 2. No 15. New Mexico State College. 1 p.