This proposal will provide significant assistance in recovering Golden Paintbrush, or Castilleja levisecta, a plant species threatened with extinction. Restoration will occur on the Admiralty Inlet Natural Area Preserve, co-owned by the Department of Natural Resources and the Whidbey Camano Land Trust. Both entities will participate in site planning and management. This is one of only 11 sites in the world where Golden Paintbrush, a federally threatened, state endangered and globally imperiled species survives. In the Recovery Plan for Golden Paintbrush, it is listed as a Recovery Priority 2 on a scale of 1 to 18, reflecting a very high degree of threat, very high potential for recovery, and full species status. This preserve is one of the two largest remaining habitat areas for meeting federal and state recovery goals. Most remaining habitat areas are less than 1 acre; this site provides up to 25 acres of habitat recovery area. The prairie habitat will increased seven-fold from 0.5 acre to more than 3.5 acres, and the plant population will more than triple, from less than 100 plants to more than 350 plants. This initial rigorous restoration effort will set the stage for much greater plant expansion in the future and allow the possibility of introducing other rare and declining prairie dependent species. Restoration will include repeated mowings, removing/controlling invasive species, propagation and outplanting native prairie species grown from on-site collected seed, reducing herbivory, experimental burn, etc.