Avena sativa

Avena sativa L., Sp. Pl. 79 1753. (Syn: Avena agraria var. mutica Brot. …………………..);

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Iran, Iraq: Introduced into: Alabama, Alaska, Albania, Alberta, Algeria, Altay, Amur, Argentina Northeast, Argentina Northwest, Argentina South, Arizona, Arkansas, Austria, Baleares, Baltic States, Bangladesh, Belarus, Belgium, Bermuda, Brazil South, Brazil Southeast, British Columbia, Bulgaria, Burundi, California, Canary Is., Cape Provinces, Cape Verde, Central European Rus, Chatham Is., Chile Central, Chile South, China North-Central, China South-Central, China Southeast, Colombia, Colorado, Connecticut, Corse, Costa Rica, Cuba, Cyprus, Czechoslovakia, Denmark, District of Columbia, Dominican Republic, East European Russia, East Himalaya, Ecuador, Egypt, Ethiopia, Falkland Is., Fiji, Finland, Florida, France, Free State, Georgia, Germany, Great Britain, Greece, Greenland, Guatemala, Haiti, Hawaii, Honduras, Hungary, Iceland, Idaho, Illinois, India, Indiana, Inner Mongolia, Iowa, Irkutsk, Italy, Jamaica, Japan, Jawa, Kamchatka, Kansas, Kazakhstan, Kentucky, Khabarovsk, Kirgizstan, Korea, Kriti, Krym, Kuril Is., Kuwait, KwaZulu-Natal, Laos, Lebanon-Syria, Lesotho, Lesser Sunda Is., Louisiana, Magadan, Maine, Mali, Manitoba, Marianas, Marquesas, Marshall Is., Maryland, Massachusetts, Mexico Central, Mexico Gulf, Mexico Northeast, Mexico Northwest, Mexico Southeast, Mexico Southwest, Michigan, Minnesota, Mississippi, Missouri, Mongolia, Montana, Morocco, Myanmar, Nansei-shoto, Nebraska, Netherlands, Nevada, New Brunswick, New Caledonia, New Hampshire, New Jersey, New Mexico, New South Wales, New York, New Zealand North, New Zealand South, Newfoundland, Norfolk Is., North Carolina, North Caucasus, North Dakota, North European Russi, Northern Provinces, Northwest European R, Northwest Territorie, Norway, Nova Scotia, Ohio, Oklahoma, Oman, Ontario, Oregon, Pakistan, Palestine, Pennsylvania, Peru, Philippines, Poland, Portugal, Primorye, Prince Edward I., Puerto Rico, Queensland, Québec, Rhode I., Romania, Sakhalin, Sardegna, Saskatchewan, Sicilia, Sinai, South Australia, South Carolina, South Dakota, South European Russi, Spain, Sri Lanka, Sweden, Switzerland, Tadzhikistan, Tasmania, Tennessee, Texas, Transcaucasus, Trinidad-Tobago, Tunisia, Turkey, Turkey-in-Europe, Turkmenistan, Ukraine, Utah, Uzbekistan, Vermont, Victoria, Vietnam, Virginia, Washington, West Himalaya, West Virginia, Western Australia, Windward Is., Wisconsin, Wyoming, Yugoslavia, Yukon as per POWO;
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The common oat (Avena sativa) is a species of cereal grain grown for its seed, which is known by the same name (usually in the plural, unlike other grains).
While oats are suitable for human consumption as oatmeal and rolled oats, one of the most common uses is as livestock feed. Oats typically make up a part of the daily diet of domestic horses, about 20% of daily intake or smaller, and are regularly fed to cattle, as well. Oats are also used in some brands of dog food and chicken feed. Oat seeds are commonly marketed as cat grass to cat enthusiasts, since cats readily harvest and eat tender young oat, wheat, and some other grass sprouts.^[1]
Oats are grown in temperate regions. They have a lower summer heat requirement and greater tolerance of rain than other cereals, such as wheat, rye or barley, so are particularly important in areas with cool, wet summers, such as Northwest Europe; they are even being grown in Iceland to help prolong the growing season.^[4] Oats are an annual plant, and can be planted either in autumn (for late summer harvest) or in the spring (for early autumn harvest). Oats are grown in upper valleys of Himalayas, such as in the Indian state of Himachal Pradesh from Mahabharat times. There it is known as jau. The temperate climate of this region is not suitable for millet, rice or wheat.
(Taken from Wikipedia– 9.4.13)
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Poaceae, Cyperaceae and Juncaceae Week ::Poaceae: Avena sativa from Panipat- NS-02: Attachments (7). 2 posts by 2 authors.
This one is again a cultivated crop, at times becoming a weed, Avena sativa L. shot from Panipat, in March 2012

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Thanks for sharing the cereal plant “Oat” Jai/ Jav जव ?

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References:

The Plant List  GRIN  Annonated checklist of the flowering plants of Nepal  Flora of China  Wikipedia  FAO  Flowers of India