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    Colored scanning electron micrograph of starch grains in seed of legume. — Stock Photo
    Colored scanning electron micrograph of starch grains in seed of legume.
    Angel trumpets pollen grain — Stock Photo
    Angel trumpets pollen grain
    Flowering currant pollen — Stock Photo
    Flowering currant pollen
    Phlox pollen grain — Stock Photo
    Phlox pollen grain
    Pollen grains of mimosa flower, digital illustration. — Stock Photo
    Pollen grains of mimosa flower, digital illustration.
    Onion cells undergoing mitosis — Stock Photo
    Onion cells undergoing mitosis
    Bougainvillea pollen grain — Stock Photo
    Bougainvillea pollen grain
    Broom pollen grain — Stock Photo
    Broom pollen grain
    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.
    Digital illustration of pollen grains on anther of Chinese hibiscus flower. — Stock Photo
    Digital illustration of pollen grains on anther of Chinese hibiscus flower.
    Various modern technology and solar panels installed inside metal shed on solar plant — Stock Photo
    Various modern technology and solar panels installed inside metal shed on solar plant
    Conductive vessel element in mountain mahogany wood (Cercocarpus sp), coloured scanning electron micrograph (SEM). — Stock Photo
    Conductive vessel element in mountain mahogany wood (Cercocarpus sp), coloured scanning electron micrograph (SEM).
    Coloured scanning electron micrograph (SEM) of a freeze-fractured water lily stem showing numerous vascular bundles (blue) and large intercellular air spaces (holes). — Stock Photo
    Coloured scanning electron micrograph (SEM) of a freeze-fractured water lily stem showing numerous vascular bundles (blue) and large intercellular air spaces (holes).
    Angel trumpets pollen — Stock Photo
    Angel trumpets pollen
    Skimmia sp. pollen grain — Stock Photo
    Skimmia sp. pollen grain
    Broom pollen grain — Stock Photo
    Broom pollen grain
    Rapeseed pollen grain — Stock Photo
    Rapeseed pollen grain
    Pollen grains from a bellflower — Stock Photo
    Pollen grains from a bellflower
    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.
    Primula pollen grain — Stock Photo
    Primula pollen grain
    Cells undergoing mitosis — Stock Photo
    Cells undergoing mitosis
    Midrib of a tea leaf — Stock Photo
    Midrib of a tea leaf
    Phlox pollen grain — Stock Photo
    Phlox pollen grain
    Pollen grains from a bellflower — Stock Photo
    Pollen grains from a bellflower
    Climbing lily pollen — Stock Photo
    Climbing lily pollen
    Digital illustration of pollen grains on anther of Chinese hibiscus flower. — Stock Photo
    Digital illustration of pollen grains on anther of Chinese hibiscus flower.
    Abutilon sp. pollen grain — Stock Photo
    Abutilon sp. pollen grain
    Bougainvillea pollen grain — Stock Photo
    Bougainvillea pollen grain
    Colored scanning electron micrograph of pollen grains from marigold flower. — Stock Photo
    Colored scanning electron micrograph of pollen grains from marigold flower.
    Marsh marigold carpel — Stock Photo
    Marsh marigold carpel
    Strawberry pollen grain — Stock Photo
    Strawberry pollen grain
    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).
    Light micrograph of Dicot plants stem showing plant vascular tissue. — Stock Photo
    Light micrograph of Dicot plants stem showing plant vascular tissue.
    Light micrograph of shoot meristem. This is the tissue in most plants containing undifferentiated cells. Meristematic cells give rise to various organs of a plant and are responsible for growth. — Stock Photo
    Light micrograph of shoot meristem. This is the tissue in most plants containing undifferentiated cells. Meristematic cells give rise to various organs of a plant and are responsible for growth.
    Bottlebrush pollen grain — Stock Photo
    Bottlebrush pollen grain
    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).
    Close-up illustration of colored pollen grain of mimosa plant. — Stock Photo
    Close-up illustration of colored pollen grain of mimosa plant.
    Close-up illustration of colored pollen grain of mimosa plant. — Stock Photo
    Close-up illustration of colored pollen grain of mimosa plant.
    Milkwort pollen grain — Stock Photo
    Milkwort pollen grain
    Plant cells, 3d illustration — Stock Photo
    Plant cells, 3d illustration
    Pollen grains of mimosa flowers, digital illustration. — Stock Photo
    Pollen grains of mimosa flowers, digital illustration.
    Leaf epidermis, light micrograph. Leaf epidermis has small pores, called stomata, which open up for photosynthetic gas exchange and transpiration. — Stock Photo
    Leaf epidermis, light micrograph. Leaf epidermis has small pores, called stomata, which open up for photosynthetic gas exchange and transpiration.
    Plant cells, 3d illustration — Stock Photo
    Plant cells, 3d illustration
    Coloured scanning electron micrograph (SEM) of a freeze-fractured water lily stem showing numerous vascular bundles (grey) and large intercellular air spaces (holes). — Stock Photo
    Coloured scanning electron micrograph (SEM) of a freeze-fractured water lily stem showing numerous vascular bundles (grey) and large intercellular air spaces (holes).
    Horse chestnut pollen grain — Stock Photo
    Horse chestnut pollen grain
    Bottlebrush pollen grain — Stock Photo
    Bottlebrush pollen grain
    Plant vascular tissue, light micrograph. Haematoxylin and eosin stain. — Stock Photo
    Plant vascular tissue, light micrograph. Haematoxylin and eosin stain.
    Onion cells undergoing mitosis — Stock Photo
    Onion cells undergoing mitosis
    Light micrograph (LM) of a section through sunflower(helianthus annuus) tissue showing spiral tracheids, a type of xylem. — Stock Photo
    Light micrograph (LM) of a section through sunflower(helianthus annuus) tissue showing spiral tracheids, a type of xylem.
    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.
    Digital illustration of pollen grains on anther of Chinese hibiscus flower. — Stock Photo
    Digital illustration of pollen grains on anther of Chinese hibiscus flower.
    Light micrograph (LM) of a section through sunflower(helianthus annuus) tissue showing spiral tracheids, a type of xylem. — Stock Photo
    Light micrograph (LM) of a section through sunflower(helianthus annuus) tissue showing spiral tracheids, a type of xylem.
    Abutilon pollen grain — Stock Photo
    Abutilon pollen grain
    Passion flower pollen — Stock Photo
    Passion flower pollen
    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.
    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.
    Digital illustration of pollen grains on anther of Chinese hibiscus flower. — Stock Photo
    Digital illustration of pollen grains on anther of Chinese hibiscus flower.
    Pollen grains of mimosa flower, digital illustration. — Stock Photo
    Pollen grains of mimosa flower, digital illustration.
    Close-up illustration of colored pollen grain of mimosa plant. — Stock Photo
    Close-up illustration of colored pollen grain of mimosa plant.
    Cells undergoing mitosis — Stock Photo
    Cells undergoing mitosis