- IPNI Identifier
- Flora Indica; or Descriptions of Indian Plants, by the Late William Roxburgh. Edited by William Carey, D.D., to Which are Added Descriptions of Plants More Recently Discovered by Nathaniel Wallich. Serampore, West Bengal, India
- 1: 147
- Reg. Himal
- Duplicate citation of
- Veronica undulata Wall., Fl. Ind. (Carey & Wallich ed.) 1: 147 (1820).