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Duckweed
Duckweeds (botanically, are extremely small (if not the smallest) flowering plants. These plants grow floating in still or slow-moving fresh water around the globe, except in the coldest regions. The growth of these high-protein plants can be extremely rapid. Lemna is one of the best known of this group and has been the subject of much research.
''Lemna gibba'' is a species of ''Lemna'' with distribution in temperate areas in Europe, including Britain, to the Himalayas, Africa, South America and North America. This duckweed is one of Britain's most common small water plants, which forms familiar green mats covering stagnant water bodies. It has a simple plant body, known as a thallus, which floats on the surface of the water and measures up to five millimetres in diameter. A single root hangs down into the water. Found in a wide range of.. more
