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Photographer: from USDA Plants website
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Family Najadaceae
Najas guadalupensis (Spreng.) Magnus
southern naiad, southern water-nymph
Najas: from Greek Naias, a water nymph
guadalupensis: from the island of Guadeloupe in the West Indies
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| Status: | Native |
| Plant: | submerged annual, monoecious aquatic; stems very long, many branches; slight rootstock |
| Flower: | tiny, from leaf axis |
| Fruit: | dull, paper-thin walls, 20-40 rows of deep angled pits |
| Leaf: | light green, very narrow, to 2"L x 1"W, toothed edges, 13-17 per side, opposite, clasping stem, wide-sloped at base |
| Habitat: | wet; clear 3' or more deep water; in sandy, gravelly soil |
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