Compositae Working Group (CWG) (2021). Global Compositae Database. Sonchus radicatus subsp. tectifolius (Svent.) Aldridge. Accessed at: https://www.compositae.org/aphia.php?p=taxdetails&id=1217425 on 2024-11-16
LSID urn:lsid:compositae.org:names:1D2A288E-E284-4CA4-8E93-2769B54B7F10 [details] Taxonomy 1976 publ. 1977 [details] Type material [Spain, Canary Islands] "Nivaria: regione orientali versus meridionalem", 15 Jun 1966, Sventenius [details]