add. ·- manna grass.
2. water grass ·add. ·- velvet grass.
3. water grass ·add. ·- the water cress.
4. water grass ·add. ·- the grass chloris elegans.
5. water grass ·add. ·- one of various horsetails.
6. water grass ·add. ·- a tall march perennial grass (paspalum dilatatum) of the southern united states and the american tropics.