Previous Collado Villalba — 8 March 2002 Next
Type Value (grains/m³) Level
Cypress/Yew * 314 Very high
London Plane * 0 Low
Grasses * 3 Low
Plantain * 0 Low
Olive * 0 Low
Birch 0 Low
Privet 0 Low
Alder 1 Low
Mugwort 0 Low
Chestnut 0 Low
Composites 0 Low
Hazel 2 Low
Heather 0 Low
Eucalyptus 0 Low
Ash 30 Medium
Mulberry 0 Low
Elm 1 Low
Pine 1 Low
Poplar 466 Very high
Goosefoot/Amaranth 0 Low
Oak 0 Low
Sorrel 5 Low
Willow 1 Low
Nettle 0 Low
Unidentified 15 No data