Najas graminea, also known as ricefield water-nymph is a species of aquatic plant found in freshwater habitats, especially still or slow-moving waters, like ponds and rice fields. It grows to a maximum length of 30 cm. The flowers are monoecious. The flowering season is from July to September.
The natural distribution of this annual plant covers most of Africa as well as the Middle East, Central Asia, East Asia, Southeast Asia, New Guinea, New Caledonia and northern Australia. It has become naturalized in Spain, Italy, Bulgaria, Crimea and California. This plant is also commercialized in the aquarium trade.
- The Plant List
- "Najas graminea - Ricefield waternymph -- Discover Life". www.discoverlife.org. Retrieved 2017-01-31.
- "Najas graminea Ricefield waternymph PFAF Plant Database". www.pfaf.org. Retrieved 2017-01-31.
- Alire Raffeneau Delile. 1813. Description de l'Égypte, . . . Histoire Naturelle, Tom. Second 2: 282, pl. 50, f. 3. Najas graminea
- Tzvelev, Nikolai Nikolaievich. 1976. Novosti Sistematiki Vysshikh Rastenii 13: 20, Caulinia graminea
- Triest, Ludwig J. 1988. Mém. Acad. Roy. Sci. Outre-Mer, Sci. Nat. Nouv. Sér. 22(1): 143, Najas graminea var. longidentata
- "World Checklist of Selected Plant Families: Royal Botanic Gardens, Kew". apps.kew.org. Retrieved 2017-01-31.
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