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