AGRON 330 FINAL Weed ID Pictures

Palmer Amaranth

Redroot pigweed

Waterhemp

Poison hemlock

Wild carrot

Common ragweed

Giant ragweed

Horseweed

Field pennycress

Common lambsquarters

henbit

Devil’s claw

Wild buckwheat

Curly dock

horsenettle

Quackgrass

Diffuse knapweed

Spotted knapweed

Russian knapweed

Hoary cress

Leafy spurge

Kudzu

Canada thistle

Cutleaf teasel

Common Teasel

Johnsongrass

Bur ragweed

Musk thistle

Amur honeysuckle

Field bindweed

Sericea lespedeza

Barnyardgrass

No ligule
Hairless
Base of seedling is maroon

Bermudagrass

Hairy Ligule
Tuft of hair at collar

Cheatgrass

Membranous ligule
Mature leaves hairy on both sides
Twisting leaves

Fall Panicum

Short hairy ligule
Hairs on bottom of leaf mainly
Stems zig zag
Lines on stems

Giant Foxtail

Hairy ligule
Short fuzz hairs found on upper part of leaves

Goosegrass

Membranous Ligule
White tinge to the middle of the plant
Sparse hairs on leaves

Green Foxtail

Hairy ligule
No hairs

Jointed goat grass

Membranous Ligule
Long hairs on edges of leaves
Twisted leaves

Large Crabgrass

Membranous ligule
Hairy leaves and long hairs at sheath

Longspine Sandbur

Short hairy ligule
Droopy true leaves

Shattercane

Membranous ligule
No hair
Upright seedling

Tumble Windmill

Hairy Ligule
Long hairs

Witchgrass

Short hairy ligule
Dense hairs
Open panicle can account for half of plant

Yellow foxtail

Hairy Ligule
Long hair near base of blades
No hair on leaves

Yellow nutsedge

Triangular Stems
Waxy
Yellow green

Johnson grass

Membranous Ligule
No hairs

Common Milkweed

Common Sunflower

Common Cocklebur

Wild Mustard

Kochia

Russian Thistle

Field Bindweed

Ivy leaf Morning glory

Velvetleaf

Venice Mallow

Prickly Sida

Common Purslane

Jimsonweed

Buffalobur

Puncturevine