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Present paper deals 90 genera with 283 Orchid species reported from Darjeeling district of West Bengal, India from Flora of Bhutan, the Orchids of Bhutan. Of them, 42 genera with 167 species are epiphytic, 44 genera and 107 species are terrestrial, 3 genera with 4 species are saprophytic and the rest 3 genera with 5 species are partial/semi saprophytic in habitat. Of them, the genus Cymbidium and Liparis fall both in epiphytic and terrestrial habitat. [ABSTRACT FROM AUTHOR]

The state of West Bengal is about one third in area of the pre-partitioned Bengal province of British India. In the present work analyzing the data, it is found, the state of West Bengal harbor 460 Species & 6 varieties of Orchids, belonging to 110 genera. Out of the 466 taxa of Orchids, 321 are epiphytic, 2 are mycophytes, 1 saprophyte and the residual 142 taxa are terrestrial. Among these 466 taxa of Orchids present in the state of West Bengal 147 species of Orchids are in the Threatened category of which 11 species are already been in the pages of the RED DATA book of Rare Endangered & Threatend and the others are in waiting to introduced in the list of the same book if the proper measure for the conservation is not taken just now. It is also reveals in the present study that there are 42 species of the Orchids of the state are in the Endemic category, but there is no exotic species except a few hybrid taxa of the genus Cymbidium which was introduced by the Britishers. [ABSTRACT FROM AUTHOR]