Asplenium nidoides Fraser-Jenkins & Kandel, Ferns Fern-Allies Nepal 1: 20 (2015) (syn: Asplenium nidus var. acutifolium Bir; Aconiopteris gorgonea Bedd.);
Indian Subcontinent to Taiwan and Peninsula Malaysia as per POWO;
India (Arunachal Pradesh, Assam State, Kerala, Manipur, Meghalaya, Nagaland,
Sikkim, Tamil Nadu, Tripura, West Bengal), Bangladesh, Nepal, Myanmar [Burma],
Laos, Vietnam, Cambodia, ?Thailand, peninsular Malaysia, Sri Lanka, China,
?Japan, ?Korea, ?Taiwan, Tibet
as per Catalogue of Life;
 

 

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Aspleniaceae Plant for Id : 7 posts by 4 authors. Attachments (1)
Please identify this plant photographed near Namprikdam, north Sikkim, March 2015.
Is it Asplenium nidus ?


Hello, yes, I am pretty sure it is “A. nidus” (A. nidoides Fraser-Jenk. & Kandel) and not the closely related A. phyllitidis. Both are known to be present in Sikkim. 
But actually we simply must see the sori under the frond, to distinguish definitively between A. nidus and A. phyllitidis– and your photo doesn’t show any sori!


I agree with Asplenium nidus


Yes, it is Asplenium nidusBirdnest Fern.

 

References:

POWO  Catalogue of Life 

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