AIS Education
Aquatic Invasive Species Identification
Eurasian Water Milfoil
Plant Type: Submerged
Status: Widespread throughout Minnesota
Native Look-alike: Northern Watermilfoil (Myriophyllum sibiricum)
How to ID
• 12-21 pairs of leaflets
• Stems are limp and spaghetti-like
• Stems are reddish brown to pink
Curlyleaf Pondweed
Plant Type: Submerged
Status: Widespread throughout Minnesota
Native Look-alike: Clasping Leaf Pondweed
How to ID
• Leaves are crinkly
• Fine-toothed leaf edges
• Leaf tips are blunt
• Leaf base does not wrap around the stem
• Begins growing in early spring before other plants and dies back mid-summer
• Forms dense mats