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Type Value (grains/m³) Level
Cypress/Yew * 546 Very high
London Plane * 0 Low
Grasses * 37 Medium
Plantain * 2 Low
Olive * 0 Low
Birch 1 Low
Privet 0 Low
Alder 7 Low
Maple 0 Low
Mugwort 0 Low
Chestnut 0 Low
Composites 0 Low
Hazel 0 Low
Heather 0 Low
Eucalyptus 0 Low
Ash 58 High
Mulberry 0 Low
Elm 109 Very high
Pine 10 Low
Poplar 0 Low
Goosefoot/Amaranth 1 Low
Oak 3 Low
Sorrel 0 Low
Willow 24 Medium
Nettle 7 Low
Other 0 No data
Unidentified 2 No data