Bromus tectorum

Bromus tectorum L., Sp. Pl. 77 1753. (Syn: Anisantha pontica K.Koch; Anisantha tectorum (L.) Nevski; Anisantha tectorum var. hirsuta (Regel) Tzvelev; Bromus abortiflorus St.-Amans; Bromus australis R.Br.; Bromus avenaceus Lam.; Bromus dumetorum Lam.; Bromus lateripronus St.-Lag. [Illegitimate]; Bromus longipilus Kumm. & Sendtn.; Bromus madritensis var. caucasica Hack.; Bromus mairei Hack. ex Hand.-Mazz.; Bromus mairei Sennen & Mauricio [Illegitimate]; Bromus nutans St.-Lag.; Bromus scabriflorus Opiz; Bromus setaceus Buckley; Bromus sterilis Láng ex Kumm. & Sendtn. [Invalid] …; Bromus tectorius Dulac [Illegitimate]; Bromus tectorum subsp. abortiflorus (St.-Amans) K.Richt. ………………………………………; Festuca tectorum Jess.; Genea tectorum (L.) Dumort.; Schedonorus tectorum (L.) Fr.; Zerna mairei (Hack.) Henrard; Zerna tectorum (L.) Panz.; Zerna tectorum (L.) Panz. ex B.D. Jacks.; Zerna tectorum (L.) Lindm.);
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Europe to Mongolia, Medit. to China and Arabian Peninsula: Afghanistan, Algeria, Austria, Belgium, Bulgaria, Central European Rus, China North-Central, China South-Central, Corse, Cyprus, Czechoslovakia, Denmark, East Aegean Is., East European Russia, East Himalaya, France, Germany, Greece, Hungary, Inner Mongolia, Iran, Iraq, Italy, Kazakhstan, Kirgizstan, Kriti, Krym, Kuwait, Lebanon-Syria, Mongolia, Morocco, Nepal, Netherlands, North Caucasus, Northwest European R, Norway, Pakistan, Palestine, Poland, Portugal, Qinghai, Romania, Sardegna, Saudi Arabia, Sicilia, Sinai, South European Russi, Spain, Sweden, Switzerland, Tadzhikistan, Tibet, Transcaucasus, Tunisia, Turkey, Turkey-in-Europe, Turkmenistan, Ukraine, Uzbekistan, West Himalaya, Xinjiang, Yugoslavia; Introduced into: Alabama, Alaska, Alberta, Aleutian Is., Argentina Northeast, Argentina South, Arizona, Arkansas, Baltic States, British Columbia, California, Canary Is., Cape Provinces, Chile South, Colorado, Connecticut, Delaware, District of Columbia, Finland, Florida, Georgia, Great Britain, Greenland, Hawaii, Idaho, Illinois, Indiana, Iowa, Japan, Kansas, Kentucky, Korea, Louisiana, Maine, Manitoba, Maryland, Massachusetts, Mexico Northeast, Mexico Northwest, Michigan, Minnesota, Mississippi, Missouri, Montana, Nebraska, Nevada, New Brunswick, New Hampshire, New Jersey, New Mexico, New South Wales, New York, New Zealand North, New Zealand South, North Carolina, North Dakota, North European Russi, Northern Provinces, Northwest Territorie, Nova Scotia, Ohio, Oklahoma, Ontario, Oregon, Pennsylvania, Primorye, Québec, Rhode I., Saskatchewan, South Carolina, South Dakota, Tennessee, Texas, Utah, Vermont, Victoria, Virginia, Washington, West Virginia, Wisconsin, Wyoming, Yukon as per POWO;
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Common name: Cheatgrass, downy brome, downy chess, drooping brome • Nepali: जुके Juke
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Bromus tectorum L. from Kashmir: 3 images.
Bromus tectorum L., Sp. Pl. 1:77. 1753
Common names: Cheatgrass, downy brome, downy chess, drooping brome
Annual grass usually less than 60 cm tall, usually with 4 to 4 nodes; leaf blades up to 20 cm long, 2-4 mm broad, pubescenct ; sheaths pubescent; spikelets narrowly wedge-shaped, 15-35 mm long, in a spreading panicle bearing 3-5 branches at each node; florets 4-8; lower glume 8-15 mm long, upper 11-17 mm long; lemmas linear, 10-20 mm long, barely 1-1.5 mm in side view, margin hyaline, gaping in mature spikelets; awn 12-40 mm long.

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NSD – 1, June 2018, Bromus diandrus Roth for validation : 8 posts by 2 authors. Attachments (1)- 2 MB.

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Yes. Bromus tectorum

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References:
POWO   Flowers of India