- Myriophyllum spicatum (Eurasian watermilfoil) Distribution Map (2000).
- Potamogeton crispus (Curly-leaf pondweed)
- Ceratophyllum demersum (Coontail)
- Chara sp. (Muskgrass)
- Elodea canadensis (Common waterweed)
- Myriophyllum sibiricum (Northern watermilfoil)
- Najas flexilis (Slender naiad)
- Nuphar advena (Yellow pond lily)
- Nymphaea odorata (White water lily)
- Potamogeton amplifolius (Large-leaf pondweed)
- Potamogeton foliosus (Leafy pondweed)
- Potamogeton gramineus (Variable pondweed)
- Potamogeton natans (Floating‐leaf pondweed)
- Potamogeton praelongus (White-stem pondweed)
- Potamogeton pusillus (Small pondweed)
- Potamogeton richardsonii (Clasping‐leaf pondweed)
- Potamogeton robbinsii (Fern pondweed)
- Potamogeton zosteriformis (Flat-stem pondweed)
- Stuckenia pectinata (Sago pondweed)
- Utricularia vulgaris (Common bladderwort)
- Vallisneria americana (Wild celery)
- Filamentous algae
This list is from the 2011 Pewaukee Lake Aquatic Plant Survey (.pdf).
