Leavenworthia exigua var.

laciniata, the Kentucky glade cress, is a threatened variety of flowering annual plant in the mustard family endemic to a small area in the southern outskirts of Louisville, Kentucky.

The federal government designated 2,053 acres as critical habitat for Kentucky glade cress.

[2] Critical habitat for the species in Kentucky's Bullitt and Jefferson counties is threatened by developers, including a proposed natural gas pipeline from Louisville Gas & Electric.

[3][4] A campaign to protect the Kentucky glade cress exists.