Nervilia

Nervilia concolor (Blume) Schltr. (Tropical & Subtropical Asia to Pacific: Andaman Is., Assam, Bangladesh, Bismarck Archipelago, Cambodia, Caroline Is., China South-Central, Cook Is., East Himalaya, Fiji, India, Jawa, Laos, Lesser Sunda Is., Malaya, Maluku, Marianas, Myanmar, Nansei-shoto, Nepal, New Caledonia, New Guinea, Niue, Northern Territory, Pakistan, Philippines, Queensland, Samoa, Society Is., Solomon Is., Sri Lanka, Sulawesi, Sumatera, Taiwan, Thailand, Tibet, Tonga, Tuamotu, Tubuai Is., Vanuatu, Vietnam, Wallis-Futuna Is., West Himalaya as per POWO)

Nervilia gammieana (Hook.f.) Pfitzer (Pakistan to Himalaya: East Himalaya, India, Nepal, Pakistan, West Himalaya as per POWO)

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Nervilia infundibulifolia Blatt. & McCann (Indian Subcontinent to China (S. Yunnan) and Indo-China: Cambodia, China South-Central, East Himalaya, India, Laos, Thailand, West Himalaya as per POWO)

Nervilia plicata (Andrews) Schltr. (Tropical & Subtropical Asia to N. Australia: Andaman Is., Assam, Bangladesh, Bismarck Archipelago, Borneo, China North-Central, China South-Central, China Southeast, East Himalaya, Hainan, India, Jawa, Laos, Malaya, Myanmar, Nepal, New Guinea, Northern Territory, Pakistan, Philippines, Queensland, Sri Lanka, Sumatera, Taiwan, Thailand, Vietnam, West Himalaya as per POWO)

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Nervilia simplex (Thouars) Schltr. (Tropical & Subtropical Old World to New Caledonia: Assam, Benin, Burundi, Cameroon, Central African Republic, Congo, DR Congo, East Himalaya, Eswatini, Ethiopia, Ghana, Guinea, Gulf of Guinea Is., India, Ivory Coast, Jawa, Kenya, Laos, Liberia, Madagascar, Malawi, Mali, Mauritius, Mozambique, Myanmar, Nepal, New Caledonia, New Guinea, Nigeria, Northern Provinces, Oman, Philippines, Queensland, Réunion, Senegal, Sierra Leone, Sri Lanka, Sumatera, Taiwan, Tanzania, Thailand, Togo, Vanuatu, Vietnam, West Himalaya, Zambia, Zimbabwe as per POWO)

Nervilia species- Shivapuri, Kathmandu, Nepal

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From Nervilia pangteyana sp. nov., a terrestrial orchid from western Himalaya, India (Key to species of Nervilia in the western Himalayas (India)-

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Nervilia (Orchidaceae) page with comparative images:
Pl. go through‎ Nervilia (Orchidaceae) page with comparative images of species in efloraofindia. On clicking the link of species, one can check the complete details.
I request you to pl. go through & point out mistakes, if any. I hope this will aid in identification in future. If anybody can send images of other species of this genus (for incorporation in the website), if any, or can identify unidentified images, it will be really nice. Pl. circulate it widely, for the benefit of all concerned.
Thanks a lot, Pankaj Kumar ji, for most of the identifications.

These look correctly identified.