Lindernia oppositifolia

References

1. [1]The Flora of British India. (in 7 volumes) — Hooker J.D. · L.Reeve & Co.; London · 1872 - 1897 · http://www.biodiversitylibrary.org ↩︎Rather dated, but has some information on plant uses. It can be downloaded from the Internet.
2. [2]IUCN Red List of Threatened Species — http://www.iucnredlist.org/ ↩︎A list of plants under threat and facing possible extinction, usually with brief details of the threats and information on habitat.
3. [3]Plant Resources of Southeast Asia — http://proseanet.org/ ↩︎Lots of information on the uses of the plants of SE Asia.