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horseweed
(hôrs′wēd′)
☆
noun
- a common weed (Conyza canadensis) of the composite family, with a wandlike stem and a panicle of many small, greenish-white flower heads
- any of various other weeds
See horseweed in American Heritage Dictionary 4
noun
A weedy North American plant (Erigeron canadensis) having narrow leaves and numerous small white or greenish flower heads grouped in panicles.
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