Compositae Working Group (CWG) (2025). Global Compositae Database. Ixeridium oldhamii (Maxim.) Sennikov. Accessed at: https://compositae.org/gcd/aphia.php?p=taxdetails&id=1212687 on 2025-09-11
Contributed data: Basionym Data only shown for fields conflicting with the consensus taxon record Lactuca oldhamii [IPNI] [details] Contributed data: Published Data only shown for fields conflicting with the consensus taxon record Sennikov in Bot. Žurn. 82(5). 1997 [Cichorieae Portal] [details] LSID urn:lsid:compositae.org:names:2DFFE609-C092-421E-AE55-F982AF9DC064 [details] Type material [Taiwan] "Hab. in ins. Formosa prope Tamsuy", Oldham 290 / [Philippines] "ex ins. Panay Philippinarum", Cuming 1642 [details]