Type material 15 Sept 2005, 055206, Y.Kadota, Akita Pref., Oga-shi, the Oga Peninsula, Toga, Kamo Aosa, 50m, 39° 54′ 40″ N, 139° 43′ 50″ E, holotype TNS 753098; 753099 [details]
Compositae Working Group (CWG) (2024). Global Compositae Database. Cirsium togaense Kadota. Accessed at: https://www.compositae.org/gcd/aphia.php?p=taxdetails&id=1139898 on 2025-04-02