The forests of Pilibhit district, which is a part of the Rohilkhand division in the Indian state of Uttar Pradesh, are home to the Indo-Nepal sub-Himalayan international border region within the Pilibhit Tiger Reserve. The Tharu tribal community resides in the region. Angiospermic plant species found in the Pilibhit Tiger Reserve were surveyed; 123 species from 56 families and 101 genera were found. Six of these are monocots, and 117 are dicotyledons. With 13 species, the family Asteraceae had the most, followed by Poaceae with 6, Amaranthaceae with 5, and Malvaceae with 5. According to the survey data, 58 species were herbs, 8 were shrubs, and 5 were climbers. The survey data showed that herbs accounted for 58 species, under shrubs 8 species, shrubs 21 species, climbers 5 species, trees 21 species, sedge 4 species, and grasses 6 species were represented.
Sonkar et al. (Sat,) studied this question.