Reed Sweetgrass


	Glyceria maxima
	Family Name:	Poaceae
	Class:	A
	Other Names:	tall manna grass, reed grass
	Why is it a noxious weed?	Reed sweetgrass is an aggressive aquatic weed that produces an extensive network of underground roots and rhizomes that can reach one meter deep. It forms dense monotypic stands, crowding out native vegetation. It is a serious threat to our wetlands.

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Visit Washington State Noxious Weed Control Board Here