 On the banks of the Rapti and Karra rivers, the Indian rosewood ("Dalbergia" "sissoo") can be found interspersed with sal and other tropical species.The ashoka tree ("Saraca asoca") is also part of the city's greenery.Community groups work to preserve the area's natural resources; the Rani Community Forestry User Group in particular is well known in Nepal for its intensive sustainable forest management.