Taxonomy also Ann. Sci. Nat. Bot. 14: 343 (1850) [details]
Compositae Working Group (CWG) (2025). Global Compositae Database. Sonchus hypochaeroides Schltdl.. Accessed at: https://www.compositae.org/gcd/aphia.php?p=taxdetails&id=1114772 on 2025-04-03