| Scientific Name: | Lemna minor |
| Common Name: | common duckweed |
| Family Name: | Araceae |
| Origin: | Australia / New Zealand, North America, South Asia / India |
| Hardiness Zone: | Zone 4: (-34 to -29 °C) |
| Plant Type: | Aquatic plant, Weed (horticultural) |
| Mature Size: | < 0.1m x 4 - 5m (height x width) |
| Habit: | Spreading |
| Form: | Creeping / Mat-like |
| Texture: | Fine |
| Landscape Uses: | Aquatic - ponds, Attract birds, Reclamation, Urban agriculture, Wetland - bogs, Wildlife food |
| Exposure: | Full sun, Part sun/part shade |
| Soil or Media: | Bog |
| Leaves: | Simple, Lobed, Sessile, Succulent, Lustrous, Elliptic, Oblong, Obovate, Ovate |
| Flowers: | Flowers solitary, White, Green-yellow, May-Jun-Jul |
| Fruit: | Achene, Green-yellow, Jul-Aug |
| Key ID Features: | |
| A small free-floating aquatic weed (one of the simplest and smallest flowering plants); leaves or "fronds" rounded, oval-oblong (similar in appearance to squashed peas), 1-8mm long x 0.6-5mm wide x ~1mm thick (smaller leaves bud off that may appear like lobes), un-stalked, with 1-3 thin adventitious roots 5-15mm long on underside of blade. | |