| 1 | Inhibitory effects of Ceratophyllum oryzetorum Kom. on the growth of Microcystis aeruginosa Kütz. has been investigated. | |
| 2 | The purification ability of Elodea Canadensis Michx is higher than those of Potamogeton Crispus Linn and Ceratophyllum Demersum Linn. | |
| 3 | Any of several submerged plants of the genus Ceratophyllum, forming branched masses in quiet water and having finely dissected, whorled leaves and minute unisexual flowers. | |
| 4 | Any of several submerged plants of the genus Ceratophyllum, forming branched masses in quiet water and having finely dissected, whorled leaves and minute unisexual flowers. | |
| 5 | Any of several submerged plants of the genus Ceratophyllum, forming branched masses in quiet water and having finely dissected, whorled leaves and minute unisexual flowers. |