Compositae Working Group (CWG) (2024). Global Compositae Database.
Layia heterotricha (DC.) Hook. & Arn.. Accessed through: Marine Species Traits editorial board (2024) Marine Species Traits at: https://marinespecies.org/traits/aphia.php?p=taxdetails&id=1109581 on 2025-04-03
Marine Species Traits editorial board (2025). Marine Species Traits.
Layia heterotricha (DC.) Hook. & Arn.. Accessed at: https://www.marinespecies.org/traits/aphia.php?p=taxdetails&id=1109581 on 2025-04-03