Compositae Working Group (CWG) (2021). Global Compositae Database. Sonchus spinulosus Bigelow. Accessed at: https://compositae.org/aphia.php?p=taxdetails&id=1174040 on 2024-12-21
LSID urn:lsid:compositae.org:names:5116EF69-5706-4C58-B441-2DF53579C3FE [details] Taxonomy 28 Jun 1824 [details] Type material [USA] "Salt marshes" [details]