Helianthus paradoxus
Spellenberg, R. 1977. Final report on the survey for threatened and endangered plant species on the East Side Socorro Area, Central New Mexico, 1967-1977. New Mexico State University. 200 p.
Sivinski, R. 1996, March 28. Faxed letter and map to Ellen DeBruin regarding many T&E plants near Santa Rosa, NM.
Roth, D. 2019. Pecos Sunflower (Helianthus paradoxus) 2013-2019 Monitoring Report. NM Energy, Minerals, & Natural Resources Department.
Lea, A. 1996. NMHP cooperators plant occurrence specimen data collection forms generated from specimen information in University of New Mexico Herbarium.
Poole, J.M. 1992. Puzzle sunflower (Helianthus paradoxus): a status report update. Report prepared for the U.S. Fish and Wildlife Service, Albuquerque, New Mexico.
Ladyman, J.A.R. 1998. Element Stewardship Abstract for Helianthus paradoxus. 8 p.
Miller, D.J., A.M. Powell, and G.J. Seiler. 1982. Status report [on Helianthus paradoxus]. Report prepared for the U.S. Fish and Wildlife Service, Albuquerque, New Mexico.
Knight, P. 1983. A survey for rare, threatened and endangered species of plants on select portions of BLM land in Sandoval and Torrance Counties in New Mexico. Unpub report by New Mexico State Heritage Program for BLM. 18+ pp.
Sivinski, R. 1996. Section 6, segment 10 annual report of botanical work accomplished by NM Forestry and Natural Resources Dept. for Fish and Wildlife Service, Albuquerque, NM.
Sivinski, R. 1997. Endangered Plant Study. Sante Fe, NM: New Mexico Forestry Division; Performance Report E-9-11. 97p.