Previous Collado Villalba — 17 May 2002 Next
Type Value (grains/m³) Level
Cypress/Yew * 4 Low
London Plane * 2 Low
Grasses * 197 Very high
Plantain * 18 Low
Olive * 117 Medium
Birch 0 Low
Privet 0 Low
Alder 0 Low
Mugwort 0 Low
Chestnut 0 Low
Composites 2 Low
Hazel 0 Low
Heather 1 Low
Eucalyptus 0 Low
Ash 0 Low
Mulberry 2 Low
Elm 0 Low
Pine 44 Medium
Poplar 0 Low
Goosefoot/Amaranth 1 Low
Oak 2.433 Very high
Sorrel 54 High
Willow 3 Low
Nettle 10 Low
Unidentified 13 No data