Compositae Working Group (CWG) (2025). Global Compositae Database. Cirsium vulgare (Savi) Ten.. Accessed through: The UK Marine Environmental Data and Information Network (2025) Marine Species of the British Isles and Adjacent Seas (MSBIAS): a checklist of species derived from the UNICORN and Marine Recorder applications at: https://www.marinespecies.org/msbias/aphia.php?p=taxdetails&id=1091946 on 2025-06-04
The UK Marine Environmental Data and Information Network (2025). Marine Species of the British Isles and Adjacent Seas (MSBIAS): a checklist of species derived from the UNICORN and Marine Recorder applications. Cirsium vulgare (Savi) Ten.. Accessed at: https://marinespecies.org/msbias/aphia.php?p=taxdetails&id=1091946 on 2025-06-04