| Region | City | Latitude (°N) | Longitude (°E) | Seed collection dates in situ |
Seed collection dates ex situ | |
|---|---|---|---|---|---|---|
| A. nemorosa | M. effusum | M. effusum† | ||||
| France | Amiens | 49·8 | 2·1 | 140 | 157 | |
| Belgium | Gontrode | 50·9 | 3·8 | 130 | 157 | 162 |
| NE Germany | Potsdam | 52·6 | 13·0 | 136 and 137 | 162 and 164 | |
| NW Germany | Bremen | 53·3 | 9·2 | 142 | 165 | |
| S Sweden | Alnarp | 55·6 | 13·3 | 141 | 170 and 171 | 173 |
| C Sweden | Stockholm | 59·0 | 17·5 | 157 | 198 | |
| N Sweden | Umeå | 63·8 | 20·0 | 176 | 187 and 198 | 195 |
| N Sweden | Abisko | 68·4 | 18·8 | –* | 235 and 239 | |
* A. nemorosa has no natural occurrences near Abisko.
† A. nemorosa had to be omitted from the ex situ analyses because individuals produced only few seeds in the common gardens in 2009 (see text).