Sacramento prickly-poppy
Tonne, P. 2008. Spreadsheet and shapefile for 2006 - 2007 Argemone pleiacantha ssp. pinnatisecta data.
Knight, P. 1996. (An Exerpt of) Biological evaluation of a proposed safety and rock protection project of U.S. 82 from mileposts 3.0 to 8.3. Marron and Associates, Inc, Albuquerque, NM. November, 1996.
Bravo-Hollis, H. y H. Sanchez-Mejorada. 1991. Las Cactaceas de MUniversidad Nacional Autonoma de MMVol. II Y III.
Spellenberg, R. 1998. Email concerning Argemone pleiacantha pinnatisecta population near High Rolls, NM. 1 p.
Maschinski, J. 1993. 1993 Argemone field collection reports. . 5 p.
Lightfoot, K. and Sivinski, R.. 1993. Draft recovery plan for the Sacramento prickly poppy. . 33 p.
Wood, S. and E. Wessman. 1992. Biological Evaluation of the proposed Fresnal Canyon Pipeline Replacement, Phase III, Lincoln National Forest. . 14+ p.
Spellenberg, R.. 1979. Report on status and recommendations for Sacramento prickly-poppy. . 10 p.
Spellenberg, R. 1976. Threatened and endangered species habitat study area notes for Argemone pleiacantha ssp pinnatisecta, Aug 7, 1976. . 12 p.
Malaby, S.M.. 1987. Argemone pleiacantha ssp pinnatisecta survey, 1987. . 9+ p.