Isoetaceae . . . . . Quillwort

Isoetes . . . . . Quillwort

Isoetes lacustris . . . Quillwort

Locally frequent in N & W Br usually submerged near the edges of lakes

Other spp. include the less common Spring Quillwort (I. echinospora) - found mostly in W Ire and W Br, and the rare Land Quillwort (I. histrix) which is only seasonally submerged in CI and W Cornwall.

See also:
Lobelia dortmanna Littorella Subularia Juncus