| 10.1 COLD DESERTS |
| 10.2 WARM DESERTS |
| 11.1 MEDITERRANEAN CALIFORNIA |
| 12.1 WESTERN SIERRA MADRE PIEDMONT |
| 13.1 UPPER GILA MOUNTAINS |
| 15.4 EVERGLADES |
| 5.2 MIXED WOOD SHIELD |
| 5.3 ATLANTIC HIGHLANDS |
| 6.2 WESTERN CORDILLERA |
| 7.1 MARINE WEST COAST FOREST |
| 8.1 MIXED WOOD PLAINS |
| 8.2 CENTRAL USA PLAINS |
| 8.3 SOUTHEASTERN USA PLAINS |
| 8.4 OZARK/OUACHITA-APPALACHIAN FORESTS |
| 8.5 MISSISSIPPI ALLUVIAL AND SOUTHEAST USA COASTAL PLAINS |
| 9.2 TEMPERATE PRAIRIES |
| 9.3 WEST-CENTRAL SEMI-ARID PRAIRIES |
| 9.4 SOUTH CENTRAL SEMI-ARID PRAIRIES |
| 9.5 TEXAS-LOUISIANA COASTAL PLAIN |
| 9.6 TAMAULIPAS-TEXAS SEMIARID PLAIN |
| <all other values> |