Previous Collado Villalba — 22 April 2013 Next
Type Value (grains/m³) Level
Cypress/Yew * 8 Low
London Plane * 228 High
Grasses * 13 Low
Plantain * 1 Low
Olive * 0 Low
Birch 12 Low
Privet 0 Low
Alder 0 Low
Maple 1 Low
Mugwort 0 Low
Chestnut 0 Low
Composites 0 Low
Hazel 0 Low
Heather 0 Low
Eucalyptus 1 Low
Ash 0 Low
Mulberry 0 Low
Elm 0 Low
Pine 26 Medium
Poplar 5 Low
Goosefoot/Amaranth 0 Low
Oak 4 Low
Sorrel 1 Low
Willow 7 Low
Nettle 1 Low
Other 5 No data
Unidentified 1 No data