| But one would need to look quickly to find them before they are lost under a coating of mold thicker than the duckweed on Suzhou Creek. |
| Floaters, such as pondweeds and common duckweed, drift freely on the surface and quickly cover the surface of the plant zone. |
| A thickening soup of duckweed and pondweed stills the surface of the marsh. |
| High protein content makes duckweed an important food source for waterfowl. |
| There's some usage of tomatoes, and there is a small water plant called duckweed that's also being used by a company. |
| In the open water are watershield, spatterdock, white water lily, and several species of duckweed. |
