Compositae Working Group (CWG) (2024). Global Compositae Database.
Cirsium glabrifolium (C.Winkl.) O.Fedtsch. & B.Fedtsch.. Accessed through: Marine Species Traits editorial board (2024) Marine Species Traits at: https://marinespecies.org/traits/aphia.php?p=taxdetails&id=1092011 on 2025-04-04
Marine Species Traits editorial board (2025). Marine Species Traits.
Cirsium glabrifolium (C.Winkl.) O.Fedtsch. & B.Fedtsch.. Accessed at: https://www.marinespecies.org/traits/aphia.php?p=taxdetails&id=1092011 on 2025-04-04