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King County, Washington Noxious Weed Identification and Control

Dense-flowered Cordgrass
Spartina densiflora

This Class A noxious weed was added to the State Noxious Weed List in 2003.dense-flowered cordgrass It has a very limited distribution in Washington State. It was discovered in the North Bay area of Grays Harbor and it was found at Race Lagoon, near Penn Cove on Whidbey Island.

Unlike other Spartina species, S. densiflora does not have rhizomes. Spread is by seed or by vegetative growth.

For more information about dense-flowered cordgrass, please see the written findings of the WA State Noxious Weed Control Board or this to the WSDA spartina report.

If you find dense-flowered cordgrass in King County, please notify us through our online infestation form.

To find out where we have records of this weed in King County, use our interactive noxious weed map and search Arc IMS Search Tool for dense-flowered cordgrass.

Dense-flowered cordgrass photos - click thumbnail for larger image

dense-flowered cordgrass - click for larger image dense-flowered cordgrass - click for larger image

 

 

 

 

 

 

Related Information:

Agencies

Program offices are located at 201 S. Jackson St., Suite 600, Seattle, WA 98104. To contact a staff member at the King County Noxious Weed Control Program, please call 206-296-0290 or by reach them by email.