• Don Yurewicz

Spiny Naiad (Najas minor), aka European Naiad -Exotic

Updated: Jan 25

Spiny Naiad is currently found in 7 locations within New Hampshire!


Spiny Naiad is a submersed rooted or floating plant.

  • Leave are paired, sometimes appearing whorled, and usually bunched at leaf axils.

  • The leaves are typically stiff, curled and pointed, and have spines along the margins that are visible to the naked eye, if not a hand lens. Leaves are about 1 mm wide and 0.5 to 3.5 cm long (Haynes 1979).

Look Alikes: This plant is distinguishable from native water naiad by its thicker and broader leaves with serrated edges.

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