Compositae Working Group (CWG) (2025). Global Compositae Database.
Piqueria eupatorium (DC.) Gardner. Accessed through: Marine Species Traits editorial board (2025) Marine Species Traits at: https://www.marinespecies.org/traits/aphia.php?p=taxdetails&id=1125064 on 2025-04-04
Marine Species Traits editorial board (2025). Marine Species Traits.
Piqueria eupatorium (DC.) Gardner. Accessed at: https://www.marinespecies.org/traits/aphia.php?p=taxdetails&id=1125064 on 2025-04-04