The state of California sued the U.S. Army Corps of Engineers on Wednesday to fight rules that could eliminate trees on levees in Sacramento and statewide.

The Department of Fish and Game filed the suit in federal court in Sacramento, alleging the Corps’ levee maintenance policy violates the Endangered Species Act and other laws. Fish and Game initially sought to join a similar lawsuit filed last year by Friends of the River and other environmental groups, but was denied on technical grounds.

Click here to