| Type | Value (grains/m³) | Level |
|---|---|---|
| Plantain * | 13 | Low |
| Olive * | 0 | Low |
| Birch | 0 | Low |
| Privet | 0 | Low |
| Alder | 0 | Low |
| Maple | 63 | High |
| Mugwort | 0 | Low |
| Composites | 1 | Low |
| Hazel | 0 | Low |
| Heather | 1 | Low |
| Eucalyptus | 0 | Low |
| Ash | 0 | Low |
| Mulberry | 25 | Medium |
| Elm | 0 | Low |
| Pine | 21 | Medium |
| Poplar | 0 | Low |
| Oak | 542 | Very high |
| Sorrel | 16 | Medium |
| Willow | 1 | Low |
| Nettle | 18 | Medium |
| Other | 8 | No data |
| Unidentified | 1 | No data |