Previous Collado Villalba — 28 May 2004 Next
Type Value (grains/m³) Level
Cypress/Yew * 1 Low
London Plane * 1 Low
Grasses * 36 Medium
Plantain * 13 Low
Olive * 2 Low
Birch 0 Low
Privet 3 Low
Alder 0 Low
Mugwort 0 Low
Chestnut 0 Low
Composites 1 Low
Hazel 0 Low
Heather 0 Low
Eucalyptus 0 Low
Ash 0 Low
Mulberry 2 Low
Elm 0 Low
Pine 8 Low
Poplar 0 Low
Goosefoot/Amaranth 0 Low
Oak 556 Very high
Sorrel 7 Low
Willow 0 Low
Nettle 3 Low
Unidentified 11 No data