Bacopa monnieri, a.k.a. Bakopa a creeping herb commonly known as Baby's tears  and Centella asiatica that grows in wetlands and muddy shores, has been popularly used in aquariums . In spite this herb grows mainly in India, Nepal, Sri Lanka, China, Taiwan and Vietnam, it has also been found in Florida, Hawai and other southern states of the USA .
In spite some of the active constituents found on this herb are known to be powerful anti-cancer compounds, as apigenin, Bacopa monnieri has traditionally been known to be able to enhance cognitive performance and be effective against cognitive impairment , some of them providing evidence suggesting that Bacopa monnieri improves memory free recall with evidence for enhancement in other cognitive abilities . Some studies even suggest that it may be a potential source of active constituents for the treatment of Alzheimer's disease . Image: Bacopa monnieri by Robert Lafond under Creative Commons license (CC BY-SA 2.0).
Common name: Baby's tears, Centella asiatica, Waterhyssop, Brahmi, Thyme-leafed gratiola, Water hyssop.