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Pollen grains, artwork

Pollen grains, artwork

Pollen grains, illustration

Pollen grain, illustration

Pollen grain, illustration

Pollen grain, illustration

Pollen grain, illustration

Pollen grain, illustration

Pollen grain, illustration

Pollen grain, illustration

Pollen grain, illustration

Pollen grain, illustration

Pollen grain, illustration

Pollen grain, illustration

Pollen grain, illustration

Pollen grain, illustration

Pollen grains, conceptual illustration

Pollen grains, SEM

Grass pollen grains, SEM

Grass pollen grains, SEM

Hazel pollen grains

Grass pollen grains, SEM

Pollen grains, light micrograph

Morning Glory pollen grain

Pollen production

Hayfever, conceptual image

Ragweed Pollen. SEM

Sagebrush pollen, SEM

Pollen from Morning Glory flower

Cedar pollen, SEM

Cedar pollen, SEM

Hazel pollen grains, SEM

Pine pollen

Pine pollen

Common ragweed pollen, SEM

Pollen grain, SEM

Silver birch pollen, SEM

Pollen particles

Morning glory pollen, SEM

Rye grass pollen (Lolium perenne), SEM

Pollen grains, SEM

Pollen grains, light micrograph

Bindweed pollen grains, SEM

Hazel pollen grains, SEM

Bindweed pollen grain, SEM

Common ragweed pollen, SEM

Yew pollen shower

Passion flower pollen, SEM

Bindweed pollen and stigma, SEM

Pollen of Chickweed flower

Morning glory pollen

Pollen grains, illustration

Pollen grains, illustration

Pollen grains, illustration

Pollen grains, illustration

Pollen grain of Cocksfoot grass

Pollen grains, SEM

Pollen grains, SEM

Pollen grains, SEM

Pollen grains, SEM

Lily pollen grains, SEM

Lily pollen, light micrograph

Hypericum pollen

Pollen grains, SEM

Birch pollen allergen molecule

Lily pollen, SEM

Grass pollen dispersal

Ragweed (Ambrosia psilostachya) pollen, SEM

Ragweed (Ambrosia psilostachya) pollen, SEM

Ragweed (Ambrosia psilostachya) pollen, SEM

Ragweed (Ambrosia psilostachya) pollen, SEM

Pollen grains of Cocksfoot grass

Tiger lily pollen

Coloured SEM of lily pollen grains

Pollen of Chickweed flower

Pollen of willow tree

Pollen and flower

Forsythia pollen grains, SEM

Forsythia pollen grains, SEM

Pollen on female flowers of the hazel tree

SEM of peony (left) and castor bean (right) pollen

Pollen cloud around a yew tree

Stigmata and pollen of crocus on black background

Pollen grains size comparison preparation, light micrograph

Capsicum pollen grains, SEM

Pollen grains, SEM

Pollen grains, light micrograph

Hibiscus pollen grains, fluorescence light micrograph

Hibiscus pollen grains, fluorescence light micrograph

Hibiscus pollen grains, fluorescence light micrograph

Hibiscus pollen grains, fluorescence light micrograph

Hibiscus pollen grains, fluorescence light micrograph

Hibiscus pollen grains, fluorescence light micrograph

Hibiscus pollen grains, fluorescence light micrograph

Pollen grains, SEM

Pollen grains, SEM

Lily pollen, SEM

Climbing lily pollen, SEM

Pollen of an azalea, SEM

Pollen grains, 3D computer model

Silver birch pollen, SEM

Horse-chestnut pollen grains, SEM

White flower pollen x1000 magnification

Crocus (Crocus sp.) pollen, light micrograph

Crocus (Crocus sp.) pollen, light micrograph

Crocus (Crocus sp.) pollen, light micrograph

Crocus (Crocus sp.) pollen, light micrograph

Lily pollen grain, SEM

Pollen grains on a harelquin bug, SEM

Hibiscus pollen grains, light micrograph

Pollen germination, LM

Pollen germination, LM

Chickweed flower pollen grains

Chickweed flower pollen grains

Cucumber pollen grains, SEM

Stitchwort pollen grains, SEM

Stitchwort pollen grains, SEM

Stitchwort pollen grains, SEM

Stitchwort pollen grains, SEM

Grass pollen, SEM

Lavender pollen grain, SEM

Pollen dispersal

Geranium pollen, SEM

Ragweed (Ambrosia) Pollen SEM X1075

Clematis montana pollen, SEM

Passion flower pollen, SEM

Passion flower pollen, SEM

Azalea pollen, SEM

Pollen (Brugmansia 'heaven scent') SEM

Thale cress anther and pollen

Lily pollen, SEM

Hyacinth pollen grains, SEM

Iris pollen grains, SEM

Hibiscus flower reproductive organs

Lily pollen grain, SEM

Wind pollination

Geranium flower

Lily flower stamens

Lily flower stamens and carpel

Stamens of a flower

Lamium garganicum flowers

Creeping jenny (Lysimachia nummularia)

Wood sage flower, light micrograph

Spring crocus reproductive parts

Section through flower anthers, light micrograph

Dandelion pollen, SEM

Lace-bark pine (Pinus bungeana)

Lace-bark pine (Pinus bungeana)

Scots pine (Pinus sylvestris) cone

Pollinated poppy

Pollinated poppy

Naples saffron crocus flowers in meadow

Naples saffron crocus flowers in meadow

Section through flower anthers, light micrograph

Section through flower anther, light micrograph

Dandelion pollen and stigma, SEM

bee pollen

Venus flytrap pollen grains, SEM

Willowherb pollen

Pollen release

Pollen, SEM

Grass pollen

Flower pollen

Lilac pollen, SEM

Hellebore pollen, SEM

Pollen grains, SEM

Pollen grains, light micrograph

Grass pollen, SEM

Kiwi fruit pollen grain, SEM

Lily pollen, SEM

Asparagus pollen grains, SEM

Passion flower (Passiflora caerulea)

Pitcher plant pollen grains, SEM

Pitcher plant pollen grains, SEM

Pitcher plant pollen grains, SEM

Pitcher plant pollen grains, SEM

Pollen grain, light micrograph

Blue catmint, LM

Ground ivy flower, LM

SEM of peony (left) and castor bean (right) pollen

Corn (Zea mays) pollen grains, light micrograph

Bee pollen (full picture)

Crocus with pollen, detail

Lily pollen, light micrograph

Lily pollen, light micrograph

Pollen grain, ESEM

Meiosis in pollen grains, light micrograph

Pine cone pollen release

Pine cone pollen release

Peltiphyllum pollen, SEM

Peltiphyllum pollen, SEM

Bay tree pollen, SEM

Bay tree pollen, SEM

Daisy pollen, SEM

Daisy pollen, SEM

Mimosa pollen, SEM

Mimosa pollen, SEM

Orange pollen, SEM

Orange pollen, SEM

Oil Seed Rape pollen