Table 1 Number of provenances collected per species and year (these counts include crossover provenances)
Year of seed collection | Quercus robur | Quercus petraea | Madsen collection (Quercus petraea) | |||
|---|---|---|---|---|---|---|
France | Other countries | France | Other countries | France | Other countries | |
1986 | 2 | 0 | 19 | 0 | 0 | 0 |
1987 | 4 | 4 | 27 | 8 | 0 | 0 |
1989 | 1 | 0 | 39 | 27 | 4 | 10 |
1992 | 1 | 7 | 18 | 7 | 0 | 0 |