Helianthus anomalus

References

1. [1]Flora of N. America — http://flora.huh.harvard.edu/fna/ ↩︎An on-line version of the flora with an excellent description of the plant including a brief mention of plant uses.
2. [2]Hopi Protection of Helianthus anomalus, a Rare Sunflower — Nabhan G.P. & Reichhardt K.L. · 1983 · https://doi.org/10.2307/3671392 ↩︎
3. [3]IUCN Red List of Threatened Species — http://www.iucnredlist.org/ ↩︎A list of plants under threat and facing possible extinction, usually with brief details of the threats and information on habitat.