Tree fern spores, light micrograph

Tree fern spores, light micrograph

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Credit: KARL GAFF / SCIENCE PHOTO LIBRARY

Caption: Fluorescence light micrograph of the underside of a tree fern (Dicksonia antarctica) leaf. The blue capsules are spores, the reproductive cells of a fungus. The spores are produced in sori (yellow), which burst to release them into the environment. Magnification: x6.6 when printed at 10 centremetres wide.

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Keywords: biological, biology, botanical, botany, dicksonia antarctica, england, europe, fern, flora, fluorescence, foilage, forest, frond, haploid, horticulture, ireland, leaf, light, meiosis, micrograph, microscopic, microscopy, nature, optical, plant, reproduction, reproductive, science, sori, sorus, sporangia, sporangium, spore, spores, ultraviolet, uv

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