field of soybeans with pigweed
U of A CES Weed Identification

Aquatic

Alligator Weed [Alternanthera philoxeroides]

Alligator Weed

Alternanthera philoxeroides

American Lotus [Nelumbo lutea]

American Lotus

Nelumbo lutea

American Waterwillow [Justicia americana]

American Waterwillow

Justicia americana

Bladderpod [Sesbania versicarium]

Bladderpod

Sesbania versicarium

Tickseed Sunflower [Bidens laevis]

Bur Marigold

Bidens laevis

Cattail [Typha latifolia]

Cattail

Typha latifolia

Chara [Chara ]

Chara

Chara

Common Arrowhead [Sagittaria latifolia]

Common Arrowhead

Sagittaria latifolia

Coontail [Ceratophyllum demersum]

Coontail

Ceratophyllum demersum

Creeping Burhead [Echinodorus cordifolius]

Creeping Burhead

Echinodorus cordifolius

Curly Leaf Pondweed [Potamageton crispus]

Curly Leaf Pondweed

Potamageton crispus

Delta Arrowhead [Sagittaria platyphylla]

Delta Arrowhead

Sagittaria platyphylla

Disc Waterhyssop [Bacopa rotundifolia]

Disc Waterhyssop

Bacopa rotundifolia

Ducksalad [Heteranthera limosa]

Ducksalad

Heteranthera limosa

Duckweed [Lemna minor]

Duckweed

Lemna minor

Eclipta [Eclipta prostrata]

Eclipta

Eclipta prostrata

Elodea [Elodea]

Elodea

Elodea

False Nettle [Boehmeria cylindrica]

False Nettle

Boehmeria cylindrica

False Pimpernel [Lindernia dubia]

False Pimpernel

Lindernia dubia

Fanwort [Cabomba caroliniana]

Fanwort

Cabomba caroliniana

Fragrant Water Lily [Nymphaea odorata]

Fragrant Water Lily

Nymphaea odorata

Frog's Bit [Limnobium spongia]

Frog's Bit

Limnobium spongia

Gooseweed [Sphenoclea zeylandica]

Gooseweed

Sphenoclea zeylandica

Hemp Sesbania [Sesbania herbacea]

Hemp Sesbania

Sesbania herbacea

Hydrilla [Hydrilla]

Hydrilla

Hydrilla

Indian Jointvetch [Aeschynomene indica]

Indian Jointvetch

Aeschynomene indica

Lizard Tail [Saururus cernua]

Lizard Tail

Saururus cernua

Loosestrife [Decodon verticillatus]

Loosestrife

Decodon verticillatus

Mosquito Fern [Azolla caroliniana]

Mosquito Fern

Azolla caroliniana

Pale Smartweed [Polygonum lapathifolium]

Pale Smartweed

Polygonum lapathifolium

Parrotfeather [Myriophyllum aquaticum]

Parrotfeather

Myriophyllum aquaticum

Pennsylvania Smartweed [Polygonum pennsylvanicum]

Pennsylvania Smartweed

Polygonum pennsylvanicum

Pickerel Weed [Pontederia cordata]

Pickerel Weed

Pontederia cordata

Red Euglena [Euglena]

Red Euglena

Euglena

Redstem [Ammania coccinea]

Redstem

Ammania coccinea

Rough Jointvetch [Aeschynomene rudis]

Rough Jointvetch

Aeschynomene rudis

Round Leaf Mudplantain [Heteranthera reniformis]

Round Leaf Mudplantain

Heteranthera reniformis

Sago Pondweed [Potamogeton pectinatus]

Sago Pondweed

Potamogeton pectinatus

Scouringrush [Equisetum hyemale]

Scouringrush

Equisetum hyemale

Small Flowered St. Johnswort [Hypericum mutilum]

Small Flowered St. Johnswort

Hypericum mutilum

Spatterdock [Nuphar luteum]

Spatterdock

Nuphar luteum

Variable Leaf Pondweed [Potamogeton diversifolius]

Variable Leaf Pondweed

Potamogeton diversifolius

Water Cress [Nasturtium officinale]

Water Cress

Nasturtium officinale

Water Hyacinth [Eichornia crassipes]

Water Hyacinth

Eichornia crassipes

Water Lettuce [Pistia stratiotes]

Water Lettuce

Pistia stratiotes

Water Pennywort [Hydrocotyle ranunculoides]

Water Pennywort

Hydrocotyle ranunculoides

Water Primrose [Ludwigia palustris]

Water Primrose

Ludwigia palustris

Watermeal [Wolffia]

Watermeal

Wolffia

Watershield [Brasenia schreberi]

Watershield

Brasenia schreberi