resinosus, Helianthus salicifolius, Helianthus schweinitzii, Helianthus silphioides, Helianthus simulans, Helianthus smithii, Helianthus strumosus, Helianthus
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Heliantheae) subtribe Helianthinae genusHelianthus speciesHelianthus silphioides Nuttall Trans. Amer. Philos. Soc., n. s. 7: 366. 1841. Edward E. Schilling
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Appalachian Mountains; distribution of H. silphioides is centered in the Ozark region. In general, H. silphioides differs in its usually well developed cauline
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