Echinocereus fendleri var. kuenzleri
Ward, R. Meissener, J. Ross, D. Hewitt, A. Prinns, T. Fragua, S. (2001) Inventory Completion Report, Sensitive Plant Survey, Lincoln National Forest, Field Notes. Guadalupe Ranger District, Lincoln National Forest, USFS. 4 p.
Ward, R. Miessener, J. (2001) Inventory Completion Report, Sensitive Plant Survey, Lincoln National Forest, Field Notes. Guadalupe Ranger Distirct, Lincoln National Forest, USFS. 4 p.
Fragua, S. (2012) Bundled Inventory Completion Reports, Sensitive Plant Survey, Lincoln National Forest, Field Notes. Project Name: Echincereus fendleri var. kuenzleri. Guadalupe Ranger District, Lincoln National Forest, USFS. 150 p.
Turner, R. (2001) Sensitive Plant Site Report, Population Site Report, Lincoln National Forest, Field Notes. Guadalupe Ranger District, Lincoln National Forest, USFS. 8 p.
Stewart, C. Tapia, R. Camero, A. (2001) Inventory Completion Report, Sensitive Plant Survey, Lincoln National Forest, Field Notes. Project Name: Echinocereus fendleri var. kuenzleri. Guadalupe Ranger Distirct, Lincoln National Forest, USFS. 4 p.
Ross, D. Turner, R. (2001) Inventory Completion Report, Sensitive Plant Survey, Lincoln National Forest, Field Notes. Project Name: Echinocereus fendleri var. kuenzleri. Guadalupe Ranger District, Lincoln National Forest, USFS. 4 p.
Ross, D. Prins, T. (2001) Sensitive Plant Site Report, Population Site Report, Lincoln National Forest, Field Notes. Guadalupe Ranger District, Lincoln National Forest, USFS. 8 p.
Porch, D. Romero, S. Gehrke, C. Harig, K. Montoya, J. Vigil, J. Castillo, J. (2001) Inventory Completion Report, Sensitive Plant Survey, Lincoln National Forest, Field Notes. Project Name: Echinocereus fendleri var. kuenzleri. Guadalupe Ranger District, L
Fragua, S. (2010) Inventory Completion Report, Sensitve Plant Survey, Lincoln National Forest, Field Notes. Project Name: Acrey Allotment Fenceline Repair. Guadalupe Ranger District, Lincoln National Forest, USFS. 4 p.
Chauvin, Y., A. Kennedy, and K. Wild. 2001. Survey for Kuenzleri's Hedgehog Cactus (Echinocereus fendleri var. kuenzleri). United States Forest Service (USFS) Regional Office, Albuquerque, NM. p. 32.