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United States Department of Agriculture

Agricultural Research Service

ARS Photo Library

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Image Number K10607-1

Plant physiologists Ruth Mangum and John Teasdale examine pigweed, Amaranthus, seedheads grown from different seedlots from their weed seed collection.

Photo by Peggy Greb.

640 pixels wide: (k10607-1.jpg)

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Last Modified: 5/23/2006
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