"Duthle, J. F" Flora of the upper gangatic plain:and of the adjacent Siwalik and Sub-Himalayan Tracts Vol.2&3 - Dehradun "Bishen singh,Mahendra pal singh" 1994 - V.P.;V.3 Subjects--Topical Terms: Flora-Uttaranchal Dewey Class. No.: UK 581 / DUT