MAREK MIS / SCIENCE PHOTO LIBRARY MAREK MIS / SCIENCE PHOTO LIBRARY
Moss spore capsule. Polarised light micrograph of a transverse section through a spore capsule (sporangium) from a moss plant, showing the spores (small, round) inside. Mosses do not produce flowers but reproduce using spores produced in sporangia on the end of stalks known as sporophytes. Magnification: x400 when printed 10 centimetres wide.
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