Abstract
This present investigation deals with the orchid flora of Rudraprayag district, Uttarakhand, Himalaya during 2014–17. A total of 35 genera with 77 species were recorded from the district, of which 40 were terrestrial, 25 were epiphytic, and 10 were recorded as epiphytic and lithophytic. The diversity represents 30% of the orchids reported from the state of Uttarakhand. A maximum number of orchid species were found in subtemperate zone between 1500 and 2000 m a.s.l. The result also shows that the species diversity decreases with increase in altitude. Temperate open forest had the maximum number of orchid species, while rocky/boulders habitat had the least orchid species richness.
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Bhatt, V.P. (2020). Species Diversity and Distribution of Orchids in Rudraprayag District, Uttarakhand, India. In: Khasim, S., Hegde, S., González-Arnao, M., Thammasiri, K. (eds) Orchid Biology: Recent Trends & Challenges . Springer, Singapore. https://doi.org/10.1007/978-981-32-9456-1_7
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