| Family | Poaceae |
| Scientific name | Cymbopogon nardus |
| Common name (English) | Citronella |
| Common name (Malay) | Serai Wangi |
| Identified as | Introduced plant on Project M.A.R.S.’s land |
Cymbopogon nardus, commonly known as citronella grass, is a perennial tropical grass in the Poaceae family. Native to Southeast Asia, it is cultivated for its aromatic leaves and essential oil, which are widely used as natural insect repellents, in perfumery, and in traditional medicine. Traditionally, the leaves and oil have been valued for their antimicrobial, antifungal, and calming properties. With its medicinal, aromatic, and economic significance, Cymbopogon nardus remains an important species in tropical agriculture, herbal practices, and essential oil production.