Purple nutsedge       Cyperus rotundus L.
Photographs by Dr. Michael Pfeiffer
Sign Invasive, difficult to control.
Infestaton turf
click for a larger image 		Perennial Infestation Gravel
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Infestation
click for a larger image 		Shoot tips
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Leaf edge
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Inflorescence
click for a larger image 		Rhizomes and tubers
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Root system
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