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