Previous Collado Villalba — 22 May 2011 Next
Type Value (grains/m³) Level
Cypress/Yew * 0 Low
London Plane * 0 Low
Grasses * 70 Medium
Plantain * 42 Medium
Olive * 7 Low
Birch 0 Low
Privet 0 Low
Alder 0 Low
Maple 94 High
Mugwort 0 Low
Chestnut 0 Low
Composites 1 Low
Hazel 0 Low
Heather 0 Low
Eucalyptus 0 Low
Ash 0 Low
Mulberry 1 Low
Elm 0 Low
Pine 295 Very high
Poplar 0 Low
Goosefoot/Amaranth 0 Low
Oak 102 Very high
Sorrel 52 High
Willow 0 Low
Nettle 0 Low
Other 1 No data
Unidentified 1 No data