Previous Collado Villalba — 9 May 2011 Next
Type Value (grains/m³) Level
Cypress/Yew * 1 Low
London Plane * 0 Low
Grasses * 31 Medium
Plantain * 10 Low
Olive * 4 Low
Birch 0 Low
Privet 0 Low
Alder 0 Low
Maple 21 Medium
Mugwort 0 Low
Chestnut 0 Low
Composites 4 Low
Hazel 0 Low
Heather 0 Low
Eucalyptus 0 Low
Ash 0 Low
Mulberry 1 Low
Elm 0 Low
Pine 7 Low
Poplar 0 Low
Goosefoot/Amaranth 0 Low
Oak 369 Very high
Sorrel 15 Medium
Willow 1 Low
Nettle 1 Low
Other 0 No data
Unidentified 1 No data