A type of cereal grain. The edible seeds of oat grass are what most people consume.
Modern-day oats originate from wild oats (A. sterilis), which can be traced back to the Fertile Crescent region. Oats were first cultivated at least 3,000 years ago in the Middle East.
Scottish settlers introduced oats to North America in 1602.
Oat bran has been linked to the reduction of cholesterol levels in humans, due to its dietary fiber.
“Avena Introduction” from Gramene https://archive.gramene.org/species/avena/oat_intro.html
“Avena sativa” from Kew Science Plants of the World Online http://www.plantsoftheworldonline.org/taxon/urn:lsid:ipni.org:names:391732-1
“Oats” from Harvard T. H. Chan School of Public Health https://www.hsph.harvard.edu/nutritionsource/food-features/oats
The Oxford Companion to Food. 3rd ed., by Alan Davidson and edited by Tom Jaine