Previous Collado Villalba — 4 May 2014 Next
Type Value (grains/m³) Level
Cypress/Yew * 0 Low
London Plane * 0 Low
Grasses * 12 Low
Plantain * 10 Low
Olive * 0 Low
Birch 12 Low
Privet 0 Low
Alder 0 Low
Maple 99 High
Mugwort 0 Low
Chestnut 0 Low
Composites 0 Low
Hazel 0 Low
Heather 0 Low
Eucalyptus 0 Low
Ash 0 Low
Mulberry 3 Low
Elm 0 Low
Pine 23 Medium
Poplar 0 Low
Goosefoot/Amaranth 5 Low
Oak 1.213 Very high
Sorrel 0 Low
Willow 0 Low
Nettle 6 Low
Other 24 No data
Unidentified 0 No data