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    Angel trumpets pollen grain — Stock Photo
    Angel trumpets pollen grain
    Coloured scanning electron micrograph of pollen grains from Verbena bonariensis perennial plant. — Stock Photo
    Coloured scanning electron micrograph of pollen grains from Verbena bonariensis perennial plant.
    Pollen grains of mimosa flower, digital illustration. — Stock Photo
    Pollen grains of mimosa flower, digital illustration.
    Light micrograph of a plant stem cross section. Haematoxylin and eosin stain. — Stock Photo
    Light micrograph of a plant stem cross section. Haematoxylin and eosin stain.
    Pollen grain, light micrograph. Pollen grain is the microscopic body that contains the male reproductive cell of a plant. — Stock Photo
    Pollen grain, light micrograph. Pollen grain is the microscopic body that contains the male reproductive cell of a plant.
    Plant cells, 3d illustration — Stock Photo
    Plant cells, 3d illustration
    Marsh marigold carpel — Stock Photo
    Marsh marigold carpel
    Chinese hibiscus pollen — Stock Photo
    Chinese hibiscus pollen
    Abutilon sp. pollen grain — Stock Photo
    Abutilon sp. pollen grain
    Geranium sp. pollen grain — Stock Photo
    Geranium sp. pollen grain
    Climbing lily pollen — Stock Photo
    Climbing lily pollen
    Phlox pollen grain — Stock Photo
    Phlox pollen grain
    Broom pollen grain — Stock Photo
    Broom pollen grain
    Light micrograph of plant cells. Plant cells have cell walls, constructed outside the cell membrane and composed of cellulose, hemicelluloses, and pectin. — Stock Photo
    Light micrograph of plant cells. Plant cells have cell walls, constructed outside the cell membrane and composed of cellulose, hemicelluloses, and pectin.
    Strawberry pollen grain — Stock Photo
    Strawberry pollen grain
    Close-up illustration of colored pollen grain of mimosa plant. — Stock Photo
    Close-up illustration of colored pollen grain of mimosa plant.
    Plant vascular tissue, light micrograph. Haematoxylin and eosin stain. — Stock Photo
    Plant vascular tissue, light micrograph. Haematoxylin and eosin stain.
    Colored scanning electron micrograph of starch grains in seed of legume. — Stock Photo
    Colored scanning electron micrograph of starch grains in seed of legume.
    Primula pollen grain — Stock Photo
    Primula pollen grain
    Skimmia sp. pollen grain — Stock Photo
    Skimmia sp. pollen grain
    Cells undergoing mitosis — Stock Photo
    Cells undergoing mitosis
    Colored scanning electron micrograph of starch grains in seed of legume. — Stock Photo
    Colored scanning electron micrograph of starch grains in seed of legume.
    Onion cells undergoing mitosis — Stock Photo
    Onion cells undergoing mitosis
    Clematis montana pollen — Stock Photo
    Clematis montana pollen
    Abutilon pollen grain — Stock Photo
    Abutilon pollen grain
    Close-up illustration of colored pollen grain of mimosa plant. — Stock Photo
    Close-up illustration of colored pollen grain of mimosa plant.
    Light micrograph (LM). Longitudinal section through the thallus and sporangium of a liverwort (Pellia epiphylla). — Stock Photo
    Light micrograph (LM). Longitudinal section through the thallus and sporangium of a liverwort (Pellia epiphylla).