Juncus prismatocarpus ?

Juncus prismatocarpus R.Br. (Syn: Juncus indicus Royle ex Don; Juncus leschenaultii J. Gay ex La harpe; Juncus prismatocarpus var. leschenaultii (J.Gay ex La Harpe) Buchen.; Juncus wallichianus La Harpe) ?;
 


https://08511630493324166816.googlegroups.com/attach/dd78a19fb2ae7960/Grass4%20I2%20IMG_4776.jpg?part=0.2&view=1&vt=ANaJVrHXgj22GHk9kabE-fYNgm-Y-EUFZkOl7GF3x3a_Ab1PwMdhC6xD4g-OIRuJlFIA9WtJ7RIQ3P-w4yAMHWtGr2uGxFJjaRvjPa6yO_Qx6eWp-3dTon8
 
Flora of Uttarakhand- Grass4 for Id- JM : 5 posts by 4 authors.
Wild Grass captured on 13/8/10 during the trek from Ghangaria (around 11,000 ft.) to Hemkunt Sahib (around 14000 ft.).

this may a member of Cyperaceae
I think Juncus prismatocarpus (Juncaceae
Juncus prismatocarpus 

Thanks, ...

A link of Juncus prismatocarpus from FOP:
http://www.efloras.org/florataxon.aspx?flora_id=5&taxon_id=240001374
But it not mentioned in Concise Flowers of Himalayas by Oleg Polunin & Adam Stainton. 
There is another species (Juncus himalensis) which looks similar & mentioned in Concise Flowers of Himalayas by Oleg Polunin & Adam Stainton. See the illustration & details:
Pl. confirm.


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