Spiranthes parksii - Endangered Orchid of the Texas Post Oak Savannah Hugh D. Wilson - Curator, Department of Biology Herbarium, Texas A&M University

    Draft S. parksii census map, submitted with the recovery plan revision, with junction of the Brazos (lower left) and Navasota (center) River Valleys.  Centers of high plan density just south of College Station and Carlos are marked with large circles.  Other populations are indicated by small circles and sites surveyed with no indication of S. parksii presence are marked by triangles.