Vegetation is a mix of Northern tropical Semi-Evergreen Forests, Northern tropical semi-evergreen forests, Northern Indian Moist Deciduous Forests, Secondary moist bamboo tracts, Temperate Broadleaved Forests and Temperate conifer Forests having ecotonal demarcation varied with altitude. Primitive spp. – Gnetum, Griffithia, Magnolea, Wallichia, Livistoma, Calamus, Caryota, Pandanus, Musa, Betula, Alnus, Exbuklandia, Quercus spp . are present.