 |
| |||
| greater duckweed (Spirodela polyrrhiza) | |||
| greater duck's-meat (Spirodela polyrhiza); greater duckweed (Spirodela polyrhiza); common duck's-meat (Spirodela polyrrhiza) | |||
|
| |||
| greater duckweed (Spirodela polyrrhiza) | |||
| greater duck's-meat (Spirodela polyrhiza); greater duckweed (Spirodela polyrhiza); common duck's-meat (Spirodela polyrrhiza) | |||
