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    Pollen threads and brochosomes — Stock Photo
    Pollen threads and brochosomes
    Helianthus stem. Light micrograph (LM) of stem of perennial sunflower (Helianthus sp.) in cross-section showing vascular bundles (green, yellow). Vascular tissues transport water and dissolved substances inside plant — Stock Photo
    Helianthus stem. Light micrograph (LM) of stem of perennial sunflower (Helianthus sp.) in cross-section showing vascular bundles (green, yellow). Vascular tissues transport water and dissolved substances inside plant
    Elm stem. Light micrograph (LM) of cross-section through woody stem of elm (Ulmus procera) tree. — Stock Photo
    Elm stem. Light micrograph (LM) of cross-section through woody stem of elm (Ulmus procera) tree.
    Young sincere female with hair bun looking at camera behind green plant leaf on beige background — Stock Photo
    Young sincere female with hair bun looking at camera behind green plant leaf on beige background
    Crop anonymous person with bright blossoming African daisy with tender petals on hand on gray background — Stock Photo
    Crop anonymous person with bright blossoming African daisy with tender petals on hand on gray background
    Young ethnic female standing on meadow against palm trees and looking at camera — Stock Photo
    Young ethnic female standing on meadow against palm trees and looking at camera
    Elm stem. Light micrograph (LM) of cross-section through woody stem of elm (Ulmus procera) tree. — Stock Photo
    Elm stem. Light micrograph (LM) of cross-section through woody stem of elm (Ulmus procera) tree.
    Dwarf Pebble Flower — Stock Photo
    Dwarf Pebble Flower
    Broom stem. Light micrograph (LM) of transverse section through stem of common broom (Salicornia europaea) plant. Broom is drought plant (xerophyte) with ribbed stems and branches to increase area for photosynthesis — Stock Photo
    Broom stem. Light micrograph (LM) of transverse section through stem of common broom (Salicornia europaea) plant. Broom is drought plant (xerophyte) with ribbed stems and branches to increase area for photosynthesis
    Colorful lily pads growing in freshwater lake — Stock Photo
    Colorful lily pads growing in freshwater lake
    Crop anonymous female touching blooming red and yellow flowers on summer meadow in daytime — Stock Photo
    Crop anonymous female touching blooming red and yellow flowers on summer meadow in daytime
    Maize root. Light micrograph (LM) of section through root of maize plant (Zea mays) showing typical monocot arrangement of vascular bundles. central vascular cylinder is comprised of central cluster of parenchyma cells — Stock Photo
    Maize root. Light micrograph (LM) of section through root of maize plant (Zea mays) showing typical monocot arrangement of vascular bundles. central vascular cylinder is comprised of central cluster of parenchyma cells
    Blossoming pink flowers with gentle petals and green leaves in vase on gray background — Stock Photo
    Blossoming pink flowers with gentle petals and green leaves in vase on gray background
    Woody stem section. Coloured scanning electron micrograph (SEM) of a transverse section through the stem of a woody plant. The majority of tissue seen here is secondary xylem (dark brown) — Stock Photo
    Woody stem section. Coloured scanning electron micrograph (SEM) of a transverse section through the stem of a woody plant. The majority of tissue seen here is secondary xylem (dark brown)
    Desert Aloe flowering in the Kalahari Desert — Stock Photo
    Desert Aloe flowering in the Kalahari Desert
    Overhead view of bright green slices of succulent plant leaf representing Christmas tree concept — Stock Photo
    Overhead view of bright green slices of succulent plant leaf representing Christmas tree concept
    Blossoming pink flowers with gentle petals and green leaves in vase on gray background — Stock Photo
    Blossoming pink flowers with gentle petals and green leaves in vase on gray background
    Close-up illustration of colored pollen grain of mimosa plant. — Stock Photo
    Close-up illustration of colored pollen grain of mimosa plant.
    Elm stem. Light micrograph (LM) of cross-section through woody stem of elm (Ulmus procera) tree. — Stock Photo
    Elm stem. Light micrograph (LM) of cross-section through woody stem of elm (Ulmus procera) tree.
    Green corn leaves — Stock Photo
    Green corn leaves
    Sincere adult ethnic female looking away on meadow touching blossoming flowers in countryside on blurred background — Stock Photo
    Sincere adult ethnic female looking away on meadow touching blossoming flowers in countryside on blurred background
    Maize root. Light micrograph (LM) of section through root of maize plant (Zea mays) showing typical monocot arrangement of vascular bundles. central vascular cylinder is comprised of central cluster of parenchyma cells — Stock Photo
    Maize root. Light micrograph (LM) of section through root of maize plant (Zea mays) showing typical monocot arrangement of vascular bundles. central vascular cylinder is comprised of central cluster of parenchyma cells
    Helianthus stem. Light micrograph (LM) of stem of perennial sunflower (Helianthus sp.) in cross-section showing vascular bundles (green, yellow). Vascular tissues transport water and dissolved substances inside plant — Stock Photo
    Helianthus stem. Light micrograph (LM) of stem of perennial sunflower (Helianthus sp.) in cross-section showing vascular bundles (green, yellow). Vascular tissues transport water and dissolved substances inside plant
    Green corn leaves — Stock Photo
    Green corn leaves
    Chinese hibiscus pollen — Stock Photo
    Chinese hibiscus pollen
    Lily pads in shallow freshwater lake — Stock Photo
    Lily pads in shallow freshwater lake
    Back view of anonymous naked brunette in flower wreath enjoying meadow with blossoming daisies under cloudy sky in summer — Stock Photo
    Back view of anonymous naked brunette in flower wreath enjoying meadow with blossoming daisies under cloudy sky in summer
    Digital illustration of pollen grains on anther of Chinese hibiscus flower. — Stock Photo
    Digital illustration of pollen grains on anther of Chinese hibiscus flower.
    Crop unrecognizable female in bright footwear lying with crossed legs among blossoming daisies under cloudy blue sky in countryside — Stock Photo
    Crop unrecognizable female in bright footwear lying with crossed legs among blossoming daisies under cloudy blue sky in countryside
    Sincere adult ethnic female looking at camera on meadow touching blossoming flowers in countryside on blurred background — Stock Photo
    Sincere adult ethnic female looking at camera on meadow touching blossoming flowers in countryside on blurred background
    Female in hat with eyes closed holding blossoming yellow flowers in countryside field under cloudy sky — Stock Photo
    Female in hat with eyes closed holding blossoming yellow flowers in countryside field under cloudy sky
    Crop unrecognizable female with raised arm among blooming yellow flowers on meadow in countryside under cloudy sky — Stock Photo
    Crop unrecognizable female with raised arm among blooming yellow flowers on meadow in countryside under cloudy sky
    Passion flower pollen — Stock Photo
    Passion flower pollen
    Crop unrecognizable female in bright footwear lying with crossed legs among blossoming daisies under cloudy blue sky in countryside — Stock Photo
    Crop unrecognizable female in bright footwear lying with crossed legs among blossoming daisies under cloudy blue sky in countryside
    Close-up illustration of pollen grain of mimosa and mimosa flowers. — Stock Photo
    Close-up illustration of pollen grain of mimosa and mimosa flowers.
    Anonymous female in hat covering face with blossoming yellow flowers in countryside field under cloudy sky — Stock Photo
    Anonymous female in hat covering face with blossoming yellow flowers in countryside field under cloudy sky
    Close-up illustration of colored pollen grain of mimosa plant. — Stock Photo
    Close-up illustration of colored pollen grain of mimosa plant.
    From above of crop anonymous female touching tamarisk bush with small blossoming pink flowers in summer — Stock Photo
    From above of crop anonymous female touching tamarisk bush with small blossoming pink flowers in summer
    Overhead view of raw chicken eggs on round shaped plate with blossoming Lavandula flowers on purple napkin and marble surface — Stock Photo
    Overhead view of raw chicken eggs on round shaped plate with blossoming Lavandula flowers on purple napkin and marble surface
    Anonymous female in hat covering face with blossoming yellow flowers in countryside field under cloudy sky — Stock Photo
    Anonymous female in hat covering face with blossoming yellow flowers in countryside field under cloudy sky
    Back view of young female in brassiere with green palm tree foliage behind head looking away on blue background — Stock Photo
    Back view of young female in brassiere with green palm tree foliage behind head looking away on blue background
    Scenic view of high bamboo twigs with ribbed surface growing in woods in daylight — Stock Photo
    Scenic view of high bamboo twigs with ribbed surface growing in woods in daylight