spike rush(n = noun.plant) - a sedge of the genus Eleocharis;
is a kind of sedge
is a member of eleocharis, genus eleocharis
has particulars: chinese water chestnut, eleocharis dulcis, water chestnut, eleocharis acicularis, hair grass, needle rush, needle spike rush, slender spike rush, creeping spike rush, eleocharis palustris

benjamin rush, common rush, cotton rush, creeping spike rush, egyptian paper rush, gold rush, hard rush, jointed rush, needle rush, needle spike rush, paper rush, rush, rush along, rush aster, rush away, rush candle, rush family, rush grass, rush hour, rush nut, rush off, rush out, rush rose, salt rush, scouring rush, slender rush, slender spike rush, soft rush, spike, spike arrester, spike heath, spike heel, spike lavender, spike lavender oil, spike lee, spike mike, spike moss, spike oil, spike out, spike suppressor, texas purple spike, toad rush, variegated scouring rush