Previous Collado Villalba — 25 April 2002 Next
Type Value (grains/m³) Level
Cypress/Yew * 14 Low
London Plane * 40 Medium
Grasses * 9 Low
Plantain * 11 Low
Olive * 0 Low
Birch 7 Low
Privet 0 Low
Alder 0 Low
Mugwort 0 Low
Chestnut 0 Low
Composites 0 Low
Hazel 0 Low
Heather 4 Low
Eucalyptus 0 Low
Ash 0 Low
Mulberry 198 Very high
Elm 0 Low
Pine 70 High
Poplar 0 Low
Goosefoot/Amaranth 0 Low
Oak 72 High
Sorrel 4 Low
Willow 0 Low
Nettle 6 Low
Unidentified 53 No data