Plantae > Tracheophyta > Magnoliopsida > Asterales > Asteraceae > Helenium > Helenium thurberi Helenium thurberi (Thurber's sneezeweed)Synonyms: Heleniastrum thurberi
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Plantae > Tracheophyta > Magnoliopsida > Asterales > Asteraceae > Helenium > Helenium thurberi Helenium thurberi (Thurber's sneezeweed)Synonyms: Heleniastrum thurberi
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