Water Shield
Brasenia schrebri
 

Small Duckweed
Lemna minor

Spatterdock, cow lily
Nuphar advena

White waterlily
Nymphaea odorata

Watermeal
Wolffia columbiana

Bladderwort
Utricularia foliosa

Bog Moss
Mayaca fluviatilis

Pickerelweed
Pontederia cordata

Arrowhead
Sagittaria lancifolia

Bur-reed
Spargania americanum

Bulrush
Scirpus spp.

Cattail
Typha latifolia

Purple Loosestrife
Lythrum salicaria

Phragmites
Phragmites australis

Fanwort
Combomba caroliniana

Coontail
Ceratophyllum demersum

Elodea
Elodea canadensis

Hydrilla
Hydrilla verticillata

Variable-leaf Watermilfoil
Myriophyllum heterophyllum

Northern Milfoil
Myriophyllum sibiricum

Eurasian Watermilfoil
Myriophyllum spicatum

Naiad species
Najas spp

Wild Celery
Vallisneria americana

Water Stargrass
Zosterella spp

American pondweed
Potamogeton nodosus

Largeleaf pondweed
Potamogeton amplifolius

Clasping leaf pondweed
Potamogeton richardsonii and
Potamogeton praelongus

Illinois pondweed
Potamogeton illinoensis

Sago pondweed
Stuckenia pectinata

Chara
Chara
common names:  Muskgrass, stonewort, stinkweed

Filamentous Algae (mat-forming) ,
Spirogyra, Pithophora

Planktonic Algae (suspended)
Blue green algae