Etymology: Isoetes: from Greek isos, "ever," and etas, "green," implying the character of being evergreen. Note"
Plants: perennial, submersed aquatic; underground, thick, lobed stem with forked roots
Leaves: 4 long air chambers, center vein, pale to medium green, soft, tapering to tip
Habitat: wet; lakes, ponds, soft water to > 7'; in sandy, sediment soil
Conservation Status: Native