The Center for Plant Conservation (CPC) is dedicated solely to preventing the extinction of U.S. native plants. The Center is a network of 39 leading botanic institutions. the Center operates the only coordinated national program of off-site (ex situ) conservation of rare plant material. This conservation collection ensures that material is available for restoration and recovery efforts for these species. CPC also works in research, restoration, technical assistance, education and advocacy through the efforts of the network and the national office.