calyptra |
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| navigate by keyword : archegonium background black bryophyte calyptra capsule commune connecticut from hair horizontal macro magnified meiosis micrograph moss operculum organ photosynthesis plant polytrichum reproductive seedless sporebearing sporophyte structure |
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| A single young capsule of the hair cap moss, Polytrichum commune, with the hairy calyptra on a black background. In this 10x micrograph, the yellow operculum is to the right. |
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