Pollen count for the region Groningen
willow
poplar
hazel
beech
plantain
oak
mugwort
ragweed
grasses
birch
rye
rumex
alder
poplar
hazel
willow
beech
plantain
oak
mugwort
ragweed
grasses
birch
rye
rumex
alder
poplar
willow
hazel
beech
plantain
oak
mugwort
ragweed
grasses
birch
rye
rumex
alder
poplar
willow
hazel
beech
plantain
oak
mugwort
ragweed
grasses
birch
rye
rumex
alder
poplar
willow
hazel
beech
plantain
oak
mugwort
ragweed
grasses
birch
rye
rumex
alder
poplar
willow
hazel
beech
plantain
oak
mugwort
ragweed
grasses
birch
rye
rumex
alder
poplar
willow
hazel
beech
plantain
oak
mugwort
ragweed
grasses
birch
rye
rumex
alder
