Ixeridium laevigatum (Bl.) J. H. Pak & Kawano, Mem. Coll. Sci. Kyoto Imp. Univ., Ser. B, Biol. 15: 45 (1992) (syn: Aracium laevigatum Miq.; Ixeridium oldhamii (Maxim.) Sennikov; Ixeris oldhamii (Maxim.) Kitam.; Ixeris stenophylla (Makino) Masam.; Lactuca luzonica S.Vidal; Lactuca oldhamii Maxim.; Lactuca stenophylla Makino; Prenanthes laevigata Blume; Youngia taiwaniana S.S.Ying);
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Pakistan to Japan (S. Kyushu) and Philippines: Cambodia, China Southeast, Hainan, Japan, Laos, Nansei-shoto, New Guinea, Pakistan, Philippines, Taiwan, Thailand, Vietnam, West Himalaya as per POWO;
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27-06-2021 surajit 11 : Ixeridium laevigatum (Blume) Pak & Kawano:
- Distribution : W Himalaya and others (KEW)
- FBI entry : Prenanthes laevigata Blume, Lactuca laevigata De Candolle under Lactuca gracilis DC.
- Description : 8-11 florets (FoC and FoT)
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- Pictures : KEW and GBIF
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References: POWO Catalogue of Life The Plant List Ver.1.1 GCC IPNI GBIF (High resolution specimens) Flora of China FOC illustration Cichorieae Portal Phytoimages
