- IPNI Life Sciences Identifier (LSID)
- 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
- Family as entered in IPNI
- Reg. Himal
- Duplicate citation of
- Veronica undulata Wall., Fl. Ind. (Carey & Wallich ed.) 1: 147 (1820).