Royalty free phloem photos
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Acorus, monocot, root, cross section, microscopy, stele, xylem, phloem, cortex, endodermis, aerenchyma -
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Quercus root, cross section, vascular cylinder, secondary xylem, phloem, cork cambium, periderm, phellem, phelloderm, tannins, annual growth -
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Pinus stem, cross section, microscopy, gymnosperm, vascular bundles, xylem, phloem, annual growth, triarch stain, plant anatomy, botany
