Calamagrostis scabrescens

Calamagrostis scabrescens Griseb., Nachr. Königl. Ges. Wiss. Georg-Augusts-Univ. 3: 79 1868. (Syn: Calamagrostis filiformis Griseb.; Calamagrostis scabrescens var. humilis Griseb.; Calamagrostis simlensis (Bor) G.Singh; Deyeuxia dispar L.Liou; Deyeuxia filiformis (Griseb.) Hook.f.; Deyeuxia scabrescens (Griseb.) Munro ex Duthie; Deyeuxia scabrescens var. humilis (Griseb.) Hook.f.; Deyeuxia simlensis Bor);

Pakistan to Central China: China North-Central, China South-Central, East Himalaya, Myanmar, Nepal, Pakistan, Qinghai, Tibet, West Himalaya as per POWO;
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Poaceae, Cyperaceae and Juncaceae Week :: ¿ Poaceae / Cyperaceae ? at Valley of Flowers :: 02 AUG 12 02:13 :: DV27 :  3 images. 3 posts by 2 authors.

¿ Poaceae / Cyperaceae ?
¿ Grass / Sedge ?

Place, Altitude: Valley of Flowers … about 3210 m asl
Date, Time: 02 AUG 12 … 02:13pm
Habitat: alpine meadow
Habit: erect herb; about 1.5 – 2 m high
🙂 Not sure whether either of these: grass OR sedge !
Please ask for cropped picture(s) if it helps to ID; the pictures have poor focus.

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Calamagrostis scabrescens (Deyeuxia scabrescens)

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References:

POWO  The Plant List  Flora of Pakistan  RBG Kew: GrassBase – Calamagrostis scabrescens Description