Occurrence of Invasive Plant in three phytogeographical region of Bilaspur district of Chhattisgarh

Abstract

The present study deals with comprehensive list of invasive species in the flora of Bilaspur district of Chhattisgarh, India with background information of family, nativity, mode of introduction, flowering and fruiting. 83 species of plant belongs to 26 families were documented as invasive plant in all three phytogeographical regions (agricultural land, urban land and protected land). Both native and invasive plants were found in the same region, but the occurrence of invasive species were found high in the urban land (34.58%) in comparison with protected land (29.16%) and agriculture land (25%). Habit wise analysis of invasive species showed 84.52% herbs, followed by 13.09% shrubs and 2.38% climbers. Maximum proportion of invasive plant are native to Tropical America and belongs to family Asteraceae (16), followed by Malvaceae (9), Euphorbiaceae (8), Fabaceae (6), Solanaceae (5), Convolvulaceae (4) and Lamiaceae (4).