Yellow Flag Iris


	Iris pseudacorus
	Family Name:	Iridaceae
	Class:	C
	Other Names:	yellow iris
	Why is it a noxious weed?	Yellow flag iris is an invasive ornamental perennial that is a problem in many states and other countries. It will sicken livestock if ingested and is generally avoided by herbivores. Contact with its resins can cause skin irritation in humans.

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