Pediocactus papyracanthus
Reed, S. 1994. Notes from conversations with David Anderson on location of P. Papyracanthus. 1 Feb 1994.
McGrath, Jim. 1993. Letter to Ellen DeBruin w/ Bandelier National Monuments Threatened, Endangered, and Sensitive Plants Observation Records for yellow ladyslipper, rattlesnake fern, and grama grass cactus.
Clayton, P. 1991. Plant survey for Abronia bigelovii, Astragalus feensis and Pediocactus papyracanthus on the Ball Ranch. Unpubl. report by New Mexico Natural Heritage Program for The Nature Conservancy, NMNHP contract 91-07-10. 10 p.
Spellenberg, R. 1990. Page 5 of letter to USFWS Regional Director. 18 Sept 1990.
Orr, M. V. 1990. Data sheet of independent survey of Pediocactus papyracanthus with map.
Fox, T. and B. Jacobs. 1989. Data sheet with map for Pediocactus papyracanthus on Bandelier National Monument.
Clayton, P. 1989. Memorandum to WSRA area manager on preliminary distribution study for grama grass cactus, Toumeya papyracantha, in Otero county, NM.
Clayton, P. 1988. Sensitive, threatened and endangered plant data form for Toumeya papracanthus. Las Cruces/Lordsburg Resouce Area, Las Cruces District, BLM, June 29, 1988.
Fletcher, R. 1985. Pediocactus papracanthus surveys, Santa Fe National Forest.
Vincent, D. W. and T. Lutonsky. 1994. Monitoring a population of Pediocactus papyracanthus. BLM, Rio Puerco R.A.