Compositae Working Group (CWG) (2021). Global Compositae Database.
Bidens hendersonensis var. hendersonensis Sherff. Accessed through: Marine Species Traits editorial board (2021) Marine Species Traits at: https://marinespecies.org/traits/aphia.php?p=taxdetails&id=1156410 on 2024-04-30
Marine Species Traits editorial board (2024). Marine Species Traits.
Bidens hendersonensis var. hendersonensis Sherff. Accessed at: https://marinespecies.org/traits/aphia.php?p=taxdetails&id=1156410 on 2024-04-30