grama grass cactus
Advanced Sciences, Inc. 1991. Threatened and endangered species survey at ABC Flip side, White Sands Missile Range. WSMR Environmental Services Report no. REC-EA-03-88, prepared under WSMR contract DAAD07-90-C-0018. 4 April, 1991. . 14 p.
Warren, P. 1986. Letter to Peggy Olwell regarding location of pediocactus papyracanthus on WSMR. 4 Sept 1986.
Marley, G. Status report and population field notes of Pediocactus papyracanthus (syn. Sclerocactus papyracanthus). Bureau of Land Management. 93 p.
McGrath, J. and Ewer, M. 2013. Observations of Sclerocactus papyracanthus at White Mesa. Field form submitted to NHNM.
Ladyman, J. 1998. Santa Fe milkvetch (Astragalus feensis) and grama grass cactus (Toumeya papyacantha) in different community types in the proposed extension to the New Mexico Army National Guard Camel Tracks Training Site. Data 1995. GIS prepared 1998.
Johnson, K., J. Smith, and P. Tonne. 2010. Habitat evaluation and surveys for listed plant and animal species at Pecos National Historical Park Pigeon's Ranch and Canoncito Subunits. Natural Heritage New Mexico Publ. No.10-GTR-348. Natural Heritage New Me
Howard, M. 2011. BLM Special Status Plants Data. Plant Conservation Program, Bureau of Land Management, New Mexico State Office.