Duthie, J F Flora of the upper gangetic plain and of the adjacent siwalik and sub-Himalayan tracts / Botanical Survey of India - Calcutta: Botanical Survey of India, 1960 - xvii, 568p. Vol. 1 Subjects--Topical Terms: Flora Subjects--Index Terms: Botany Gangetic Plan Universal Decimal Class. No.: 581.9(540) / K0.1