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    Flowering currant pollen — Stock Photo
    Flowering currant pollen
    Geranium sp. pollen grain — Stock Photo
    Geranium sp. pollen grain
    Midrib of a tea leaf — Stock Photo
    Midrib of a tea leaf
    Plant cells, 3d illustration — Stock Photo
    Plant cells, 3d illustration
    Plant vascular tissue, light micrograph. Haematoxylin and eosin stain. — Stock Photo
    Plant vascular tissue, light micrograph. Haematoxylin and eosin stain.
    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).
    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).
    Midrib of a tea leaf — Stock Photo
    Midrib of a tea leaf
    Light micrograph of Dicot plants stem showing plant vascular tissue. — Stock Photo
    Light micrograph of Dicot plants stem showing plant vascular tissue.
    Pollen grains of mimosa flowers, digital illustration. — Stock Photo
    Pollen grains of mimosa flowers, digital illustration.
    Marsh marigold carpel — Stock Photo
    Marsh marigold carpel
    Light micrograph of a cross sections of monocot stem. — Stock Photo
    Light micrograph of a cross sections of monocot stem.
    Bottlebrush pollen grain — Stock Photo
    Bottlebrush pollen grain
    Bougainvillea pollen grain — Stock Photo
    Bougainvillea 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.
    Cells undergoing mitosis — Stock Photo
    Cells undergoing mitosis
    Close-up illustration of pollen grain of mimosa and mimosa flowers. — Stock Photo
    Close-up illustration of pollen grain of mimosa and mimosa flowers.
    Chinese hibiscus pollen — Stock Photo
    Chinese hibiscus pollen
    Milkwort pollen grain — Stock Photo
    Milkwort pollen grain
    Root vascular tissue, light micrograph. — Stock Photo
    Root vascular tissue, light micrograph.
    Digital illustration of pollen grains on anther of Chinese hibiscus flower. — Stock Photo
    Digital illustration of pollen grains on anther of Chinese hibiscus flower.
    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). 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).
    Passion flower pollen — Stock Photo
    Passion flower pollen
    Abutilon pollen grain — Stock Photo
    Abutilon pollen grain
    Skimmia sp. pollen grain — Stock Photo
    Skimmia sp. pollen grain
    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.
    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.
    Coloured scanning electron micrograph (SEM) of a freeze-fractured Nasturtium stem, showing numerous vascular bundles (such as at upper centre) with an inner xylem (pink) and outer phloem (yellow). — Stock Photo
    Coloured scanning electron micrograph (SEM) of a freeze-fractured Nasturtium stem, showing numerous vascular bundles (such as at upper centre) with an inner xylem (pink) and outer phloem (yellow).
    Papillae on the upper surface of a rose flower petal (Rosa sp), coloured scanning electron micrograph (SEM). — Stock Photo
    Papillae on the upper surface of a rose flower petal (Rosa sp), coloured scanning electron micrograph (SEM).
    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 — Stock Photo
    Angel trumpets pollen
    Angel trumpets pollen grain — Stock Photo
    Angel trumpets pollen grain
    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.
    Coloured scanning electron micrograph (SEM) of a freeze-fractured Nasturtium stem, showing numerous vascular bundles (such as at upper centre) with an inner xylem (pink) and outer phloem (yellow). — Stock Photo
    Coloured scanning electron micrograph (SEM) of a freeze-fractured Nasturtium stem, showing numerous vascular bundles (such as at upper centre) with an inner xylem (pink) and outer phloem (yellow).
    Primula pollen grain — Stock Photo
    Primula pollen grain
    Strawberry pollen grain — Stock Photo
    Strawberry pollen grain
    Colored scanning electron micrograph of pollen grains from marigold flower. — Stock Photo
    Colored scanning electron micrograph of pollen grains from marigold flower.
    Pollen grains from a bellflower — Stock Photo
    Pollen grains from a bellflower
    Pollen grains of mimosa flower, digital illustration. — Stock Photo
    Pollen grains of mimosa flower, digital illustration.
    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.
    Plant cells, 3d illustration — Stock Photo
    Plant cells, 3d illustration
    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.
    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.
    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.
    Digital illustration of pollen grains on anther of Chinese hibiscus flower. — Stock Photo
    Digital illustration of pollen grains on anther of Chinese hibiscus flower.
    Geranium pollen grain — Stock Photo
    Geranium pollen grain
    Milkwort pollen grain — Stock Photo
    Milkwort pollen grain
    Bottlebrush pollen grain — Stock Photo
    Bottlebrush pollen grain
    Colored scanning electron micrograph of pollen grains from marigold flower. — Stock Photo
    Colored scanning electron micrograph of pollen grains from marigold flower.
    Passion flower pollen — Stock Photo
    Passion flower pollen
    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).
    Colored scanning electron micrograph of starch grains in seed of legume. — Stock Photo
    Colored scanning electron micrograph of starch grains in seed of legume.
    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).
    Pollen grains of mimosa flower, digital illustration. — Stock Photo
    Pollen grains of mimosa flower, digital illustration.
    Chinese hibiscus pollen — Stock Photo
    Chinese hibiscus pollen
    Phlox pollen grain — Stock Photo
    Phlox pollen grain
    Close-up illustration of colored pollen grain of mimosa plant. — Stock Photo
    Close-up illustration of colored pollen grain of mimosa plant.
    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