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