(1925). J. Linn. Soc., Bot. 47 page(s): 272 [details]
Compositae Working Group (CWG) (2025). Global Compositae Database. Inula oligocephala S.Moore. Accessed through: Marine Species Traits editorial board (2025) Marine Species Traits at: https://www.marinespecies.org/traits/aphia.php?p=taxdetails&id=1108492 on 2025-04-04
Marine Species Traits editorial board (2025). Marine Species Traits. Inula oligocephala S.Moore. Accessed at: https://www.marinespecies.org/traits/aphia.php?p=taxdetails&id=1108492 on 2025-04-04