?Notes Roy. Bot. Gard. Edinburgh 26: 102, 1964?. Submitted.

?Enum. Pl. (Willdenow) 2: 881, 1809?. Submitted.

?Fl. Jap. Suppl. 736, 1936?. Submitted.

?Mem. Soc. Imp. Naturalistes Moscou 3: 77, 1812?. Submitted.

?Mem. Acad. Imp. Sci. St.-Petersbourg, Ser. 7 12: 146, 1868?. Submitted.

?Bull. Acad. Int. Geogr. Bot. 20: 143, 1909?. Submitted.

?Fl. Jap. (Thunberg)  315, 1784?. Submitted.

?Mem. Soc. Imp. Naturalistes Moscou 3: 76, 1812?. Submitted.

?Enum. Spermatophytarum Japon. 3: 130, 1952?. Submitted.

?Bot. Mag. (Tokyo) 23: 186, 1909?. Submitted.

?Pl. David. 1: 160, 1884?. Submitted.

?Tent. Fl.-Ussur.  81, 1861?. Submitted.

?Vilm. Blumengaertn., ed. 3 1: 469, 1894?. Submitted.

?Bull. Fan Mem. Inst. Biol. Bot. 5: 41, 1934?. Submitted.

?Fl. Jap. (Thunberg)  316, 1784?. Submitted.

?Bull. Acad. Imp. Sci. Saint-Petersbourg 16: 216, 1871?. Submitted.

?Fl. Bor.-Amer. (Michaux) 2: 111, 1803?. Submitted.

?Suppl. Pl.  373, 1781?. Submitted.

?Sp. Pl. 2: 872, 1753?. Submitted.

?Siebold Kenkyu 586, 1938?. Submitted.