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