White clover is also called Dutch clover.
white clover definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
a creeping species of clover (Trifolium repens) with white flower clusters, common in lawns
white clover definition by American Heritage Dictionary
A common European clover (Trifolium repens) widely naturalized in North America, having rounded white flower heads. Also called Dutch clover.