Acmella uliginosa explained

Acmella uliginosa, the marsh para cress, is a species of flowering herb in the family Asteraceae. The plant is native to South America (Brazil, Bolivia, Venezuela, etc.) and is naturalized in parts of Asia (China, Philippines, India, etc.) and Africa.^{[1] [2] [3] [4]}

Notes and References

1. http://www.efloras.org/florataxon.aspx?flora_id=2&taxon_id=242433510 Flora of China Vol. 20-21 Page 862 天文草 tian wen cao Acmella ciliata (Kunth) Cassini in F. Cuvier, Dict. Sci. Nat. 24: 331. 1822.
2. Jansen, R. K. 1985. The systematics of Acmella (Asteraceae–Heliantheae). Systematic Botany Monographs 8: 1–115
3. Hokche, O., P. E. Berry & O. Huber. (eds.) 2008. Nuevo Catálogo de la Flora Vascular de Venezuela 1–859. Fundación Instituto Botánico de Venezuela, Caracas
4. Jørgensen, P. M., M. H. Nee & S. G. Beck. (eds.) 2014. Catálogo de las plantas vasculares de Bolivia, Monographs in systematic botany from the Missouri Botanical Garden 127(1–2): i–viii, 1–1744.