David YetmanBooksElephant Trees, Copales, and CuajiotesMexico's Valleys of Cuicatlán and TehuacánGentry's Río Mayo plantsTropical Deciduous Forest of AlamosNatural Landmarks of ArizonaMayo ethnobotanyGreat CactiConflict in Colonial SonoraSaguaro CactusÓpatasAuthor data: Open Library