Compositae Working Group (CWG) (2025). Global Compositae Database. Ixeris scaposa Freyn. Accessed at: https://compositae.org/gcd/aphia.php?p=taxdetails&id=1241487 on 2025-09-13
Contributed data: Published Data only shown for fields conflicting with the consensus taxon record J.F. Freyn in Oesterr. Bot. Z. 40. 1890 [Cichorieae Portal] Oesterreichische Botanische Zeitschrift 40: [Tropicos] [details] LSID urn:lsid:compositae.org:names:94F003E9-69CF-4236-BF02-1D7B68AB09A4 [details] Type material [China] "Tientsin", 1861, Debeaux, Pl. Exped. Chine, Fl. Tientsin 37 / [Russia] "Ussula", Taczanowski [details]