Polystichum levingei

Polystichum levingei C. Hope ex Christ, Bull. Acad. Int. Géogr. Bot., sér. 3, 11: 260 (1902) (syn: Polystichum caespitosum var. stenophyllum Franch. ; Polystichum conaense Ching & S.K.Wu ; Polystichum deversum Christ ; Polystichum levingei N.C.Nair ; Polystichum niitakayamense Hayata ; Polystichum stenophyllum (Franch.) Christ ; Polystichum stenophyllum var. abbreviatum Tagawa ; Polystichum stenophyllum var. conaense (Ching & S.K.Wu) W.M.Chu & Z.R.He );
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Nepal to China and Myanmar: China North-Central, China South-Central, China Southeast, East Himalaya, Myanmar, Nepal, Tibet as per POWO;
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Polystichum from Dirang, march 2024: 3 images.
Here’s a Polystichum sp. (I’m not even sure about this) from a side of the road from Dirang to Sela pass, at an altitude of around 3500m.

Yes, there are other collections of it from Dirang too. It is Polystichum levingii C.Jope ex Christ (syn. P. stenophyllum), which has a subapical proliferous bulbil.
I haven’t sent the books yet, but will do and my unfinalised Arunachal Pradesh fern-book..

 

 

 

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References:
POWO  Catalogue of Life