| Attribute | Effect of year of collection | |
| β | P-value (α) | |
| Aggregate habitat “water bodies and closely associated habitats” | -0.00019 | 0.007 |
| Aggregate habitat “humid and wet meadows” | -0.00041 | 0.000 |
| Aggregate habitat “fens and fen meadows” | -0.00022 | 0.005 |
| Aggregate habitat “ruderal sites” | 0.00054 | 0.002 |
| Primary habitat “fens” | -0.00018 | 0.016 |
| Primary habitat “fen meadows” | -0.00004 | 0.018 |
| Primary habitat “nutrient poor grassland” | -0.00025 | 0.005 |
| Primary habitat “ruderal sites” | 0.00086 | 0.000 |