I am sorry for this delayed reply to your gardening question. The spring rush has brought a deluge of questions and we are working hard to catch up!
Nutsedge is actually a sedge as opposed to a grass. The following web site has a photo of yellow nutsedge:
Here is a photo of purple nutsedge:
This next web site has an article I wrote on managing this difficult weed:
Thanks for the question. Best wishes for a wonderful gardening season. Please stop in again soon!
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