107496 889025 Roylea cinerea (D. Don) Baillon [125 125717 Ballota cinerea D. Don] N. Wallich, Pl. Asiat. Rar., vol. 1 : t. 74 (1830) [Gorachand & J. Lindley]
 
1624636 889025 Roylea cinerea (D. Don) Baillon [125 125717 Ballota cinerea D. Don] K.R. Kirtikar, B.D. Basu, Ind. Med. Pl., Plates, vol. 4 : t. 772 (1918)