MIKE GRANDMAISON / AGSTOCKUSA / SCIENCE PHOTO LIBRARY MIKE GRANDMAISON / AGSTOCKUSA / SCIENCE PHOTO LIBRARY
Mature 2-row barley head (Hordeum vulgare). Barley is used as a food for both animals and humans worldwide and is used in the production of beer and whisky. As a species, barley can be divided by the number of kernel rows in the head, hence 2-row barley.
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