| evaluation of air pollution tolerance index of selected plant species along roadsides in thiruvananthapuram, kerala. | to develop the usefulness of plants as bioindicators requires an appropriate selection of plant species which entail an utmost importance for a particular situation. in the present study a periodic evaluation of air pollution tolerance index [apti] of selected tree species such as polyalthia longifolia, (sonner) thw., alstonia scholaris, r. br., mangifera indica, l., and shrubs clerodendron infortunatum, l., eupatorium odoratum, l., and hyptis suaveolens, (l.) poit., growing adjacent to the nati ... | 2010 | 21047015 |