Pesticide Training Resources

2525 East Seneca Street • Tucson Arizona • 85716

Dr. Michael Pfeiffer

Herbaceous Dicot Weeds

Left Click the Common Name of the Weed to See Images Available

Common Names are "approved" common names: Weed Science Society of America

More images will be added as time allows

Flower colors are indicated by the colored squares to the left of the common name. indicates the flower color is not distinct as it is for plants such as grasses. indicates there are many color variants to the flowers. This is likely helpful but certainly NOT perfect !

African Rue Alfalfa Amaranth, Trans-Pecos Arizona Poppy Aster, White Heath Bassia, Fivehook Bedstraw, Catchweed Beggarticks, Fewflower Beggarticks, Slimlobe Bindweed, Field Bittercress, Little Blueweed, Texas Bowlesia, Hoary Brassbuttons, Southern Buckwheat, Flatcrown Buckwheat, Sorrel Buffalobur Buffpetal Burdock, Common Bursage, Annual Bursage, Slimleaf Camphor Weed Carrot, Wild Cassia, Cove's Castorbean Catsear, Common Catsear, Smooth Chickweed, Common Clover, Alsike Clover, Small Hop Clover, Red Coast Fiddleneck Cocklebur, Common Coulter's Conyza Crazyweed, Lambert Creeping Woodsorrel Crownbeard Cucumber, Wild Cudweed, from Africa Dandelion, Common Dock, Broadleaf Dock, Canaigre Dock, Curly Dodder, Largeseed Dodder, Umbrella Double Claw Fennel Filaree, Broadleaf Filaree, Redstem Filaree, Whitestem Fleabane, Hairy Flixweed Garden Rocket (Arugula) Gaura, Scarlet Goldenrod, Canada Goldenweed, Slender Goosefoot, Fetid Goosefoot, Nettleleaf Gourd, Buffalo Groundcherry, Virginia Groundcherry, Wright Groundsel, Common Gumweed, Curlycup Halogeton	Heliotrope, Seaside Henbit Hogpotato Horseweed Horseweed, Sprawling Jewels of Opar Knapweed, Diffuse Knapweed, Russian Knotweed, Prostrate Knotweed, Silversheath Kochia Lambsquarters, Narrowleaf Lambsquarters, Common London Rocket Mallow, Alkali Mallow, Common Mallow, Little Mallow, Venice Matthiola parviflora Melon Loco Milkweed, Climbing Milkweed, Common Milkweed, Showy Milkweed, Western Whorled Morningglory, Ivyleaf Morningglory, Transpecos Motherwort Mullein, Common Mullein, Turkey Mustard, African Mustard, Black Mustard, Oriental Mustard, Shortpod Mustard, Wild Nettle, Burning Nettle, Stinging Nightshade, Cutleaf Nightshade, Silverleaf Nuttall Povertyweed Oxalis, Buttercup Oxtongue, Bristly Palmer Amaranth Partridgepea, Sensitive Pennycress, Field Pepperweed, Sand Pepperweed, Thurber's Pepperweed, Veiny Pigweed, Fringed Pigweed, Redroot Pigweed, Tumble Pineapple Weed Plantain, Black-Seeded Plantain, Broadleaf Plantain, Buckhorn Plantain, Wooly Poison Hemlock Popcorn Flower, Narrow Leaf Prickly Lettuce Puncturevine Purslane, Common Purslane, Horse Radish, Wild Ragweed, Canyon Ragweed, Common	Ragweed, Giant Ragweed, Western Rupturewort, Hairy Russian Thistle Russian Thistle, Barbwire Salsify, Common Salsify, Western Saltbush, Peregrine Saltbush, Wheelscale Senna, Wooly Scarlet Pimpernel Scorpion Weed Shepherd's Purse Small Matweed Smartweed, Pale Snakeroot, White Sneezeweed, Orange Sonoran Chinchweed Southwestern Pricklypoppy Sowthistle, Annual Sowthistle, Perennial Sowthistle, Spiny Spiderling, Coulter Spiderling, Scarlet Spurge, Garden Spurge, Ground Spurge, Hyssop Spurge, Leafy Spurge, Petty Spurge, Whitemargin Starthistle, Malta Starthistle, Yellow Stinknet Sunflower, Annual Sweetclover, Indian Sweetclover, Yellow Sweetclover, White Swinecress, Lesser Tansymustard, Pinnate Thistle, Arizona Thistle, Artichoke Thistle, Bull Thistle, Canada Thistle, Meadow Thistle, Milk Thistle, Musk Thistle, New Mexico Thistle, Scotch Thistle, Yellowspined Thistle, Wheeler's Thornapple, Desert Thornapple, Sacred Toadflax, Dalmatian Toadflax, Yellow Tobacco, Desert Trailing Windmills Velvetleaf Velvetweed Vervain, Blue White Horehound Wild Celery Woolly Tidestromia Yarrow, Common
© Pesticide Training Resources, 2008