Naiad (Najas spp.)
[ult_animation_block animation=”slideInLeft” animation_duration=”3″ animation_delay=”0″ animation_iteration_count=”1″] Forms very dense stands of rooted submerged vegetation. Leaves are dark green to greenish-purple, ribbon-like, opposite or in a whorl of three. The stems are very long and have many branches. Can often be confused with sago pondweed. Concern: If it becomes too dense it can reduce boat traffic and…