Helianthus paradoxus
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Sivinski, R. 1992. Endangered plant study performance report for USFWS. 60 pp.
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Sivinski, R. 2000. Endangered Plant Study. Sante Fe, NM: New Mexico Forestry Division; Performance Report E-9-14. 71p.
Marek, Laura. 2012. Spreadsheet of Pecos Sunflower collection locations. Report to U.S. Fish and Wildlife Service, Section 10 TE-46978A-0.
Sivinski, R. 2010. Email with Map to Rayo McCollough on Status of Pecos Sunflower (Helianthus paradoxus) Seeding/Reintroduction on the Rhodes property north of San Antonio. 1 p.
Holloway, L. 2016. Survey data for a Helianthus paradoxus population. Bureau of Land Management, New Mexico State Office.
Sivinski, R.. 2004. Email about a specimen collected for Helianthus paradoxus. . 1 p.
Sivinski, R. 1999. Maps of sensitive plant species with museum tag information attached. 10 p.