The forest reserve is rich both in faunal and floral species.
The gardens host over 10,000 floral species, the majority being non-native species.
Of the 1500 endangered floral species, 800 are reported from North East India.
It supports a number of floral and faunal species.
Most prominent floral species in these habitats are the Spanish moss and giant lobelias.
Modern vegetation is relatively dense, but contains many introduced floral species.
More than 150 floral species have recorded from the park.
Apart from the avifauna, the park has valuable floral species of both native and foreign origin.
From the base to the summit, floral species diminish with increasingly shallow soil levels.
Identified floral species number 1,027 of 6 phyla, while faunal species are 120.