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, fern, flora, fluorescence, foilage, frond, leaf, light micrograph, microscopy, nature, plant, reproduction, reproductive, sori, sorus, sporangia, sporangium, spore, spores, ultraviolet, uv

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