Ivy-Leaved Duckweed

Common Name: Ivy-Leaved Duckweed

Scientific Name: Lemna trisulca

Zone: 4–10

Flower: Tiny, seldom-seen translucent flowers

Flower Timing: Spring to summer (rarely observed)

Mature Height (ft): <0.1 ft (individual fronds about 5–10 mm long)

Mature Spread (ft): Spreads freely beneath or just at the water surface

Exposure: Full sun to part shade

Plant Type: Submerged or floating aquatic plant

Preferred Environment: Calm, nutrient-rich freshwater—ponds, ditches, and slow streams

Special Features: Distinct submerged growth habit, forms dense underwater mats, provides habitat and oxygenation, good water clarifier, less likely to block surface light than other duckweeds