Compositae Working Group (CWG) (2024). Global Compositae Database.
Helianthus niveus var. tephrodes (A.Gray) B.L.Turner. Accessed through: Marine Species Traits editorial board (2024) Marine Species Traits at: https://www.marinespecies.org/traits/aphia.php?p=taxdetails&id=1387473 on 2024-08-06
Marine Species Traits editorial board (2024). Marine Species Traits.
Helianthus niveus var. tephrodes (A.Gray) B.L.Turner. Accessed at: https://www.marinespecies.org/traits/aphia.php?p=taxdetails&id=1387473 on 2024-08-06