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Helianthus praecox Engelmann & A. Gray ssp. runyonii (Heiser) Heiser. Phenology: May-Oct. Habitat: Coastal areas and inland in dry, open, sandy sites. Distribution: S. TX.

Origin/Endemic status: Native

Synonymy : = FNA21, K4; = Helianthus debilis Nutt. ssp. runyonii Heiser — Tx. Basionym: Helianthus debilis Nutt. ssp. runyonii Heiser 1956

Links to other floras: = Helianthus praecox ssp. runyonii - FNA21

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Heliophily : 9

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