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Helianthus paradoxus

Year
1977
Citation

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.

Reference Code
U77SPE01NMUS
Year
1992
Citation

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.

Reference Code
U92POO02HQUS
Year
1982
Citation

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.

Reference Code
U82MIL02HQUS