| Arizona Mountains forest(expression, forest, temperate, coniferous, ecoregion) |
| Atlantic coastal pine barrens(expression, forest, temperate, coniferous, ecoregion) |
| Baffin coastal tundra(expression, ecoregion, zone, tundra) |
| Baja California desert(expression, desert, ecoregion, shrubland) |
| Beringia lowland tundra(expression, ecoregion, zone, tundra) |
| Beringia upland tundra(expression, ecoregion, zone, tundra) |
| Bermuda subtropical conifer forest(expression, forest, coniferous, ecoregion, tropical) |
| Blue Mountains forest(expression, forest, temperate, coniferous, ecoregion) |
| British Columbia mainland coastal forest(expression, forest, temperate, coniferous, ecoregion) |
| Brooks-British Range tundra(expression, ecoregion, zone, tundra) |
| California Central Valley grasslands(expression, grassland, temperate, savanna, shrubland) |
| California coastal sage and chaparral(expression, forest, ecoregion, woodland, mediterranean) |
| California interior chaparral and woodland(expression, forest, ecoregion, woodland, mediterranean) |
| California mixed evergreen forest(expression, forest, broadleaf, mixed, temperate) |
| California montane chaparral and woodland(expression, forest, ecoregion, woodland, mediterranean) |
| Canadian aspen forests and parklands(expression, grassland, temperate, savanna, shrubland) |
| Cascade Mountains leeward forest(expression, forest, temperate, coniferous, ecoregion) |
| Central British Columbia Mountain forest(expression, forest, temperate, coniferous, ecoregion) |
| Central Canadian Shield forest(expression, forest, ecoregion, boreal, taiga) |
| Central Mexican matorral(expression, desert, ecoregion, shrubland) |