Previous Collado Villalba — 14 February 2006 Next
Type Value (grains/m³) Level
Cypress/Yew * 495 Very high
London Plane * 0 Low
Grasses * 21 Low
Plantain * 0 Low
Olive * 0 Low
Birch 0 Low
Privet 0 Low
Alder 19 Medium
Mugwort 0 Low
Chestnut 0 Low
Composites 0 Low
Hazel 2 Low
Heather 0 Low
Eucalyptus 0 Low
Ash 815 Very high
Mulberry 0 Low
Elm 119 Very high
Pine 0 Low
Poplar 0 Low
Goosefoot/Amaranth 0 Low
Oak 0 Low
Sorrel 6 Low
Willow 0 Low
Nettle 0 Low
Unidentified 1 No data