The flowers of Eurasian water milfoil are reddish and very small. They are held above the water on an emersed flower spike that is several inches long. KB Najas guadalupensis Southern naiad T here are about 40 species of naiads in the world and they are all submersed plants. Southern naiad may be found in springs, lakes, ponds, and canals, sometimes forming mats. T he stems of naiad species are very long and have many branches.
All naiads have very narrow, inch-long leaves that have definite teeth on their margins .
With a hand lens, very tiny teeth can be seen along the leaf margins. Naiad leaves are arranged oppositely on the stem, or sometimes in whorls of three. The leaves are deep green to purplish-green. The flowers are very small and inconspicuous. Its leaves may be emersed above the water or floating on it.