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