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Compositae Working Group (CWG) (2024). Global Compositae Database. Helianthus neglectus Otto ex A.Gray. Accessed through: Marine Species Traits editorial board (2024) Marine Species Traits at: https://www.marinespecies.org/traits/aphia.php?p=taxdetails&id=1134160 on 2024-10-02
Marine Species Traits editorial board (2024). Marine Species Traits. Helianthus neglectus Otto ex A.Gray. Accessed at: https://marinespecies.org/traits/aphia.php?p=taxdetails&id=1134160 on 2024-10-02