Compositae Working Group (CWG) (2021). Global Compositae Database.
Vernonia lasiopus var. iodocalyx (O.Hoffm.) C.Jeffrey. Accessed through: Marine Species Traits editorial board (2021) Marine Species Traits at: https://marinespecies.org/traits/aphia.php?p=taxdetails&id=1242131 on 2024-09-20
Marine Species Traits editorial board (2024). Marine Species Traits.
Vernonia lasiopus var. iodocalyx (O.Hoffm.) C.Jeffrey. Accessed at: https://marinespecies.org/traits/aphia.php?p=taxdetails&id=1242131 on 2024-09-20