Search for Helenium autumnale returned 341 results.

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  1. form: Helenium nudiflorum f. homochroma M.D.Howe

    Synonym of Helenium flexuosum Raf.

  2. variety: Helenium nudiflorum var. purpureum A.Gray

    Synonym of Helenium flexuosum Raf.

  3. variety: Helenium bigelovii var. festivum Jeps.

    Synonym of Helenium bolanderi A.Gray

  4. variety: Helenium microcephalum var. bicolor Torr. & A.Gray

    Synonym of Helenium microcephalum var. microcephalum null

  5. subspecies: Inula helenium subsp. vanensis Grierson

  6. subspecies: Inula helenium subsp. pseudohelenium Grierson

  7. subspecies: Inula helenium subsp. turcoracemosa Grierson

  8. variety: Helenium microcephalum var. microcephalum

  9. variety: Helenium scorzonerifolium var. ghiesbrechtii A.Gray

    Synonym of Helenium scorzonerifolium A.Gray

  10. variety: Helenium urmenetae var. urmenetae