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| The plant covers the surfaces of ponds. It is eaten by fish and water birds. |
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| It consists of one leaf-shaped segment and one root. |
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Often a few species of Lemnoideae grow together. Here you can see Spirodela polyrhiza (the larger plants) surrounded by Lemna minor. |
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| A few plants between two fingers. | Plants in the winter, frozen in the ice. |
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| A comparison of two aroids - an adult plant of Lemna minor on a leaf of semi-adult Alocasia odora. |