1995
Cadwallader, M. 1995. Argemone monitoring report for Alamo Canyon. . 7 p.
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Sacramento prickly-poppy
Cadwallader, M. 1995. Argemone monitoring report for Alamo Canyon. . 7 p.
Pruett, C, L. Brownmiller, and J. Cullins. 1994. Threatened, endangered and sensitive plants observation records.
Wood, S. and Galeano-Popp, R.. 1992. Threatened, Endangered and Sensitive Species Biological Evaluation: Sacramento Allotment Winter Grazing. . 20 p.
Malaby, S.M. and S. Wood. 1990. Interim Management Plan for Argemone pleiacantha ssp. pinnatisecta, Lincoln National Forest, Region 3, US Forest Service. . 11+ p.
Bureau of Land Management, La Cruces. 1988. Inventory of Sacramento Prickle-poppy. . 3 p.
Guaderrama, R. 2003. prickly poppy surveys in August 2003. . 1 p.
Ownbey, G.B. and F. Ownbey. 1953. Argemone pleiacantha spp. pinnatisecta, summary of accession number 22908 in the MSB.. . 1 p.
Lincoln National Forest. 2004. Letter regarding the status of Argemone pleiacantha ssp. Pinnatisecta within the Lincoln National Forest. . 3 p.
Tonne, P. 2005. Sacramento prickly poppy, notes of 1/27/2005 meeting. . 4 p.
Spellenberg, R. . E-mail from R. Spellenberg to B. Sivinski about observations of Argemone pleiacantha ssp pinnatisecta. . 1 p.