?Monogr. Campan. 365, 1830?. Submitted.

?Acta Horti Gothob. 5: 16, 1930?. Submitted.

?Mem. Soc. Imp. Naturalistes Moscou 6: 167, 1823?. Submitted.

?Hort. Brit. (Loudon) 74, 1830?. Submitted.

?Bot. Mag. (Tokyo) 23: 188, 1909?. Submitted.

?Mem. Soc. Imp. Naturalistes Moscou 6: 168, 1823?. Submitted.

?Monogr. Campan. 358, 1830?. Submitted.

?Trudy Imp. S.-Peterburgsk. Bot. Sada 18: 426, 1901?. Submitted.

?Bot. Mag. (Tokyo) 23: 188, 1909?. Submitted.

?J. Linn. Soc., Bot. 26: 12, 1889?. Submitted.

?Ann. Mus. Bot. Lugduno-Batavi 2: 193, 1866?. Submitted.

?Ann. Mus. Bot. Lugduno-Batavi 2: 129, 1866?. Submitted.