Present treatment. Adenophora triphylla (Thunb.) A. DC. var. japonica (Regel) H. Hara (f. Japonica): Hara, Enum. Sperm. Jap. 2: 92 (1952), with a question mark.
Present treatment. Adenophora triphylla (Thunb.) A. DC. var. japonica (Regel) H. Hara forma lancifolia (H. Hara) Kitam.: Hara, Enum. Sperm. Jap. 2: 92 (1952), with a question mark.
Type material. Probabiliter in Nippon crescit; specimina in eadem charta cum Artemisiae speciebus in prov. Aki Collectis obvia, [Siebold s.n.] [900. 346-177] (L 0422254), cum jap. nom. “Usoo Jukisoo”, holotype.
Other material. Siebold s.n. [900. 346-177] (L 0422254).
Type materials. ad littus maris prope pagum Kosedo, Siebold s.n. [901. 99-91] (L 0422615), lower one, holotype, det. Wedelia chinensis (Osbeck) Merr. by Koster in 1931. This sheet consists of two collection: the lower one was identified as “f. pygmaea” .
Other material. Inselar pagum Kosedo, Textor s.n. [901. 99-85] (L 0422614).