indusium of maidenhair fern - Stock Image

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Photomicrograph of indusium, tissue covering the sorus and sporangium of maidenhair fern, Adiantum species. The sporangium is the spore producing organ on the underside of the leaf. Live specimen. Dry mount, 5X objective, oblique reflected illumination. Stack of 38 images.
Note - very shallow depth of field, chromatic aberration and uneven focus are inherent in light microscopy.

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classic light microscopy
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