Previous Collado Villalba — 21 April 2002 Next
Type Value (grains/m³) Level
Cypress/Yew * 8 Low
London Plane * 75 Medium
Grasses * 16 Low
Plantain * 1 Low
Olive * 0 Low
Birch 29 Medium
Privet 0 Low
Alder 0 Low
Mugwort 0 Low
Chestnut 0 Low
Composites 0 Low
Hazel 0 Low
Heather 1 Low
Eucalyptus 0 Low
Ash 0 Low
Mulberry 38 Medium
Elm 0 Low
Pine 78 High
Poplar 0 Low
Goosefoot/Amaranth 0 Low
Oak 17 Medium
Sorrel 5 Low
Willow 0 Low
Nettle 0 Low
Unidentified 17 No data