"Simple" images

Photo credit

Karan A. Rawlins, University of Georgia

Brassica kaber

Photo credit

Howard F. Schwartz

Brassica kaber

Photo credit

Bruce Ackley, Ohio State University

Brassica kaber - seed

Photo credit

Olivia McCandless

Brassica kaber - seedling

Photo credit

Olivia McCandless

Wild mustard

Capsella bursa-pastoris

Photo credit

Marry Ellen Harte, Bugwood.org

Capsella bursa-pastoris

Photo credit

Marry Ellen Harte, Bugwood.org

Capsella bursa-pastoris

Photo credit

Ohio State Weed Lab Archive

Capsella bursa-pastoris - seed

Photo credit

Olivia McCandless

Shepherd's purse

Hesperis matronalis - flower buds, leaves

Hesperis matronalis - flower buds

Hesperis matronalis - flowers

Hesperis matronalis - flowers

Hesperis matronalis - stem, leaves

Hesperis matronalis - whole plant

Hesperis matronalis - whole plant, leaves, flowers

Dame's rocket

Lepidium campestre - flowers

Lepidium campestre - inflorescence

Lepidium campestre - inflorescence, seedhead

Lepidium campestre - leaf

Lepidium campestre - whole plant

Lepidium campestre - whole plant

Field pepperweed

Hypochaeris radicata

Photo credit

Ohio State Weed Lab Archive

Hypochaeris radicata

Photo credit

Ohio State Weed Lab Archive

Hypochaeris radicata

Photo credit

Becca MacDonald, Sault College

Common cat's ear

Galinsoga ciliata - flowers

Galinsoga ciliata - flowers, leaves

Galinsoga ciliata - leaf

Galinsoga ciliata - seed

Photo credit

Olivia McCandless

Galinsoga ciliata - stem

Galinsoga ciliata - whole plant

Galinsoga ciliata - whole plant

Hairy galinsoga

Conyza canadensis

Photo credit

Mary Ellen Harte, Bugwood.org

Conyza canadensis

Photo credit

Robert Vidski, Bugwood.org

Conyza canadensis

Photo credit

Rebekah D. Wallace, University of Georgia

Conyza canadensis - whole plant, flowers

Horseweed

Amaranthus powelli

Photo credit

Ohio State Weed Lab Archive

Amaranthus powelli

Photo credit

Olivia McCandless

Amaranthus powelli

Photo credit

Olivia McCandless

Amaranthus powelli

Photo credit

Grant Thompson

Amaranthus powelli

Photo credit

Grant Thompson

Amaranthus powelli

Photo credit

Grant Thompson

Amaranthus powelli

Photo credit

Grant Thompson

Amaranthus powelli

Photo credit

Grant Thompson

Powell amaranth

Amaranthus retroflexus

Photo credit

Howard F. Schwartz, Colorado State University

Amaranthus retroflexus

Photo credit

Grant Thompson

Amaranthus retroflexus

Photo credit

Grant Thompson

Amaranthus retroflexus

Photo credit

Grant Thompson

Amaranthus retroflexus

Photo credit

Grant Thompson

Amaranthus retroflexus

Photo credit

Grant Thompson

Redroot pigweed

Apocynum cannabinum

Photo credit

James H. Miller, USDA Forest Service

Apocynum cannabinum

Photo credit

Chris Evans, Illinois Wildlife Action Plan

Apocynum cannabinum

Photo credit

Theodore Webster, USDA ARS

Hemp dogbane

Vincetoxicum rossicum - seedpods

Vincetoxicum rossicum - whole plant

Pale swallow-wort

Asclepias syriaca - inflorescence

Photo credit

Grant Thompson

Asclepias syriaca - leaf

Photo credit

Grant Thompson

Asclepias syriaca - seed

Photo credit

Olivia McCandless

Asclepias syriaca - seed pod

Key ID Feature

Asclepias syriaca - stem

Asclepias syriaca - whole plant with seedpods

Asclepias syrica - whole plant