Nature of America The sheets The sheets

| Ecosystem | Date_of_issue | Place_of_issue | No_stamps_in_sheet | Face_Value | Printer |
|---|---|---|---|---|---|
| Southern Florida Wetland | October 5, 2006 | Naples, Florida | 10 | 39¢ | Avery Dennison |
| Alpine Tundra | August 28, 2007 | Estes Park, Colorado | 10 | 41¢ | Sennett Security Products |
| Great Lakes Dunes | October 2, 2008 | Empire, Michigan | 10 | 42¢ | Avery Dennison |
| Kelp Forest | October 1, 2009 | Monterey, California | 10 | 44¢ | Avery Dennison |