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Photographer: from USDA Plants website
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Family Isoetaceae
Isoetes lacustris L.
deep-water quillwort, lake quillwort, large-spored quillwort
Isoetes: from Greek isos, "ever," and etas, "green," implying the character of being evergreen. Note"
lacustris: of or pertaining to lakes
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| Status: | Native |
| Plant: | perennial, submersed aquatic; underground, thick, lobed stem with forked roots |
| Leaf: | 4 long air chambers, center vein, dark green, firm, often twisted |
| Habitat: | wet; lakes, ponds, soft water 3' to > 10'; in sandy, gravelly soil |
| (Glossary) |
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