Helianthus praecox subsp. runyonii merupakan tumbuhan dari famili Asteraceae (suku aster-asteran). Tumbuhan ini berasal dari Texas. Nama ilmiah Helianthus praecox subsp. runyonii diperkenalkan oleh Charles Bixler Heiser pada tahun 1969.
POWO (2024). "Plants of the World Online. Facilitated by the Royal Botanic Gardens, Kew. Published on the Internet; https://powo.science.kew.org/."
IPNI (2024). "International Plant Names Index. Published on the Internet http://www.ipni.org, The Royal Botanic Gardens, Kew, Harvard University Herbaria & Libraries, and Australian National Herbarium"
USDA - NRCS (2024). "United States Department of Agriculture - Natural Resources Conservation Service", Plant Profile.
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