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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.

Photo of flower stalks of California cordgrass (left) and hybrid (right).

Flower stalks of California
cordgrass (left) and hybrid (right)

Photo of hybrid cordgrass clogging a creek.

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/.