map adapted from Texas Parks and Wildlife Department United States Department of Agriculture United States Environmental Protection Agency Pineywoods Ozark Highlands Southeastern Plains Southeastern Plains S a n d h i l l s Coastal Savannahs Coastal Savannahs Blackland B l a c k l a n d Prairie M i s s i s s i p p i V a l l e y P i e d m o n t C r e s c e n t ECO-REGION MAP we have seeds native to these eco-regions Of something that only yesterday was so vast, how can it be that so little remains? photo by Steve Schaeffer North America at night, photo by NASA