Oat - Wikipedia
Origin. The wild ancestor of Avena sativa and the closely related minor crop, A. byzantina, is the hexaploid wild oat, A. sterilis. Genetic evidence shows the ancestral forms of A. sterilis grew in the Fertile Crescent of the Near East. Oats are usually considered a secondary crop, i.e., derived from a weed of the primary cereal domesticates, then spreading westward into cooler, wetter areas ...
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