Ophelia tetrapetala var. micrantha (Takeda) Toyok. variety synonym

Ophelia tetrapetala var. yezo-alpina (H.Hara) Toyok. variety synonym

Swertia tetrapetala var. yezo-alpina (H.Hara) H.Hara ex Toyok. & T.Yamaz. variety synonym

Frasera tetrapetala f. leucantha (Hid.Takah.) Toyok. & Y.Toyok. form synonym

Rellesta cyanea (Turcz.) Turcz. species synonym

Anagallidium tetrapetalum (Pall.) Griseb. species synonym

Swertia wilfordii (A.Kern.) Kom. species synonym

Swertia tetrapetala var. tetrapetala variety accepted

Swertia micrantha Takeda species synonym

Swertia tetrapetala f. papillosa (Franch. & Sav.) H.Hara form synonym

Swertia yezo-alpina H.Hara species synonym

Swertia wilfordii f. albiflora Y.N.Lee form synonym

Swertia tetrapetala f. leucantha (Hid.Takah.) T.Shimizu form synonym

Swertia tetrapetala var. happoensis Hid.Takah. ex T.Shimizu variety synonym

Swertia pallasii G.Don species synonym

Swertia micrantha f. leucantha Hid.Takah. form synonym

Swertia chrysantha Honda & Tatew. species synonym

Swertia anomala Nakai species synonym

Ophelia yesoensis Franch. & Sav. species synonym

Ophelia wilfordii A.Kern. species synonym

Stellera cyanea Turcz. species synonym

Ophelia tetrapetala (Pall.) Grossh. species synonym

Ophelia papillosa Franch. & Sav. species synonym

Swertia tetrapetala f. impunctata H.Sato & Hideki Takah. form synonym

Swertia wilfordii (A.Kern.) Zuev species synonym

Swertia tetrapetala subsp. tetrapetala subspecies accepted

Swertia tetrapetala f. albiflora Tatew. form synonym

Swertia tetrapetala var. yezoalpina (Hara) Hara variety accepted

Swertia yesoensis (Franch. & Sav.) Matsum. species synonym

Swertia tetrapetala f. variegata Tatew. form synonym

Swertia tetrapetala var. wilfordii (A.Kern.) T.N.Ho variety accepted

Swertia chrysantha var. yezo-alpina (H.Hara) Satake variety synonym

Swertia bissetii S.Moore & Burkill species synonym

Swertia tetrapetala subsp. micrantha (Takeda) Kitam. subspecies synonym

Frasera tetrapetala (Pall.) Toyok. species synonym

Swertia tetrapetala var. happoensis Hid.Takah. variety homotypic synonym