U.S. Fish & Wildlife Service
America's National Wildlife Refuge System
Volunteers and Invasive Plants: Learning and Lending a Hand
Smooth Cordgrass Origin
In 1894, smooth cordgrass arrived in Willapa Bay, Washington, in a shipment of oyster transplants. In the 1970s, cordgrass from Georgia was purposely introduced to Siuslaw Estuary in Oregon to stabilize shorelines and increase vegetative cover.
Flower stalks of California
cordgrass (left) and hybrid (right)
Hybrid cordgrass clogging a creek
Photo credit: San Francisco Estuary Invasive Spartina Project
www.spartina.org (left & right)
Reference
Western Aquatic Plant Management Society. http://www.wapms.org/.