Pollen count for the region Preston
oak
nettle
plantain
grasses
rumex
ash
alder
mugwort
hazel
elm
birch
yew
willow
poplar
nettle
grasses
plantain
oak
rumex
ash
alder
mugwort
hazel
elm
birch
yew
willow
poplar
oak
nettle
grasses
plantain
mugwort
hazel
elm
birch
yew
willow
rumex
poplar
ash
alder
nettle
grasses
plantain
oak
rumex
ash
mugwort
hazel
elm
birch
yew
willow
poplar
alder
nettle
grasses
plantain
oak
rumex
ash
mugwort
hazel
elm
birch
yew
willow
poplar
alder
nettle
grasses
plantain
oak
rumex
ash
mugwort
hazel
elm
birch
yew
willow
poplar
alder
nettle
grasses
plantain
oak
rumex
ash
mugwort
hazel
elm
birch
yew
willow
poplar
alder
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