Atlas Species Summary Results
| Species Statistic | Atlas I (1987–1995) | Atlas II (2007–2012) |
| # species reported | 278 | 287 |
| # species confirmed | 264 | 263 |
| Fewest # species/priority block | 6 | 6 |
| Highest # species/priority block | 101 | 121 |
| Mean # species/priority block | 40.8 | 42.9 |