A. Savannah cf desert scrub, Flour ensia~Larrea-Prosopis, a,,. I desert plains grasses, Bouteloua 



gracilis, eriopoda, and racemosa, Van Horn, Texas. 



B. Burn park in subalpine forest, Uncompahgre Plateau. Co 1 ido. 



C. Burn park of Wyethia and Artemisia in chaparral, Logan, Utah. 



