By 2017, the rapid spread of giant salvinia, a floating fern-like weed native to Brazil, had consumed about one-fifth of the lake’s 25,000-acre surface area. Skip to content.

An invasive water weed has again infested Lake Shawnee, and addressing the problem might cost more than it used to. Shawnee County Commissioners Shelly Buhler, Bob Archer and Kevin Cook voted 3-0 T… ...