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Type Value (grains/m³) Level
Cypress/Yew * 4 Low
London Plane * 10 Low
Grasses * 8 Low
Plantain * 10 Low
Olive * 4 Low
Birch 2 Low
Privet 0 Low
Alder 0 Low
Maple 87 High
Mugwort 0 Low
Chestnut 1 Low
Composites 1 Low
Hazel 0 Low
Heather 1 Low
Eucalyptus 0 Low
Ash 0 Low
Mulberry 51 High
Elm 0 Low
Pine 41 Medium
Poplar 0 Low
Goosefoot/Amaranth 0 Low
Oak 46 Medium
Sorrel 7 Low
Willow 1 Low
Nettle 1 Low
Other 7 No data
Unidentified 1 No data