Compositae Working Group (CWG) (2025). Global Compositae Database. Lygodesmia spinosa Nutt.. Accessed at: https://www.compositae.org/gcd/aphia.php?p=taxdetails&id=1213428 on 2025-09-13
Contributed data: Published Data only shown for fields conflicting with the consensus taxon record T. Nuttall in Trans. Amer. Philos. Soc. ser. 2, 7. 1841 [Cichorieae Portal] Transactions of the American Philosophical Society, new series, 7: [Tropicos] [details] LSID urn:lsid:compositae.org:names:85085A07-B6B2-4336-AF78-FC40A6ECF3AD [details] Taxonomy 2 Apr 1841 [details] Type material [USA] "In the Rocky Mountain Plains towards California." [details]