Weeds of Field Crops and Pastures

Annual grasses and other grasslike plants
Common Name Scientific Name Linked Picture(s)
Barley, Little Hordeum pusillium 1, 2
Barnyardgrass Echinochloa crus-galli 1, 2, 3, 4
Bluegrass, Annual Poa annua 1
Bristlegrass, Hooked Setaria adhaerans 1, 2
Broadleaf Signalgrass Urochloa platyphylla 1
Brome, Downy Bromus tectorum1
Browntop Panicum Panicum fasiculatum 1, 2, 3, 4, 5, 6, 7
Cheat Bromus secalinus 1, 2, 3, 4, 5, 6, 7, 8, 9
Crabgrass, Large Digitaria sanguinalis1
Crabgrass, Smooth Digitaria ischaemum1
Fall Panicum Panicum dichotomiflorum1
Foxtail, Carolina Alopecurus carolinianus1
Foxtail, Giant Setaria faberi1
Foxtail, Green Setaria viridis1
Foxtail, Yellow Setaria glauca1
Goosegrass Eleusine indica1
Jointed Goatgrass Aegilops cylindrica 1, 2, 3, 4
Red Sprangletop Leptochloa filiformis 1, 2, 3, 4
Rescuegrass Bromus catharticus 1, 2
Sandbur Cenchrus longispinus1
Sandbur, Field Cenchrus incertus 1, 2, 3, 4
Shattercane Sorghum bicolor1
Southwestern BristlegrassSetaria scheelei 1
Texas Panicum Panicum texanum 1, 2, 3, 4
Wild Oats Avena fatua 1, 2, 3, 4
Witchgrass Panicum capillare1
Woolly Cupgrass Eriochloa villosa1

Perennial grasses, Sedges, and other grasslike plants
Common Name Scientific Name Linked Picture(s)
Bahiagrass Paspalum notatum 1, 2, 3, 4
Bermudagrass Cynodon dactylon 1, 2, 3, 4
Canada Wildrye Elymus canadensis 1
Dallisgrass Paspalum dilatatum1
Field Horsetail Equisetum spp.1
Foxtail Barley Hordeum jubatum1
Johnsongrass  (noxious) Sorghum halepense1, 2, 3, 4, 5
Orchardgrass Dactylis glomerata1
Quackgrass Elytrigia repens1
Ryegrass, Perennial Lolium perenne1, 2, 3, 4, 5, 6, 7
Star-of-Bethlehem Ornithogalum umbellatum1
Tumble Windmillgrass Chloris subverticillata 1, 2
Wild Garlic Allium vineale1
Wild Onion Allium canadense1, 2, 3
Yellow Nutsedge Cyperus esculentus1, 2, 3, 4, 5, 6, 7

Annual Broadleaf Weeds
Common Name Scientific Name Linked Picture(s)
Annual Broomweed Gutierrezia dracunculoides 1, 2, 3
Annual Pricklepoppy Argemone polyanthemos 1, 2, 3, 4
Bastard Toadflax Comandra umbellata 1, 2, 3
Bittercress, Smallflowered Cardamine parviflora1
Bitterweed Hymenoxys odorata1, 2, 3
Bitterweed, Brown Helenium badium1
Black Nightshade Solanum americanum1
Bladderpod Lesquerella gracilis1, 2, 3, 4
Buffalobur Solanum rostratum1, 2, 3, 4, 5, 6, 7
Bur Clover Medicago hispida 1
Burcucumber Sicyos angulatus1
Bushy Wallflower Erysimum repandum1
Butterweed Senecio glabellus1
Camphorweed Heterotheca subaxillaris1, 2
Carolina Geranium Geranium carolinianum1
Carpetweed Mollugo verticillata1
Catchweed Bedstraw Galium aparine1, 2, 3, 4
Common Chickweed Stellaria media1
Common Cocklebur Xanthium strumarium1, 2, 3, 4, 5
Common Groundsel Senecio vulgaris1, 2
Common Lambsquarters Chenopodium album1, 2
Common Purslane Portulaca oleracea1, 2, 3, 4, 5
Common Ragweed Ambrosia artemisiifolia1
Common Sneezeweed Helenium amarum 1
Common Sunflower Helianthus annuus1, 2, 3, 4, 5, 6,
Common Waterhemp Amaranthus rudis1, 2
Coreopsis Coreopsis tinctoria1, 2, 3, 4,
Corn Gromwell Lithospermum arvense1
Croton, Texas Croton texensis1, 2
Croton, Tropic Croton glandulosus1
Croton, Woolly Croton capitatus1, 2, 3
Cutleaf Groundcherry Physalis angulata 1
Cowcockle Vaccaria pyramidata 1
Cowpen Daisy Verbesina encelioides 1, 2, 3, 4, 5, 6
Daisy Fleabane Erigeron annuus1
Deadnettle, Purple Lamium purpureum1
Devil's Claw Proboscidea louisianica1, 2, 3, 4, 5, 6, 7
Eclipta Eclipta prostrata1
False Nightshade Chamaesaracha coronopus 1, 2
Field Dodder Cuscuta campestris1, 2
Filaree, California or Redstem Erodium cicutarium1, 2
Filaree, Texas or Storkbill Erodium texanum1, 2, 3, 4, 5, 6
Flixweed Descurainia sophia 1
Garden Rocket Eruca vesicaria ssp. sativa 1, 2, 3, 4, 5
Giant Ragweed Ambrosia trifida1, 2, 3, 4
Golden Crownbeard Verbesina encelioides 1, 2, 3, 4, 5, 6
Golden Tickseed Coreopsis tinctoria1, 2, 3, 4,
Gray Tidestrom Tidestromia lanuginosa1, 2
Greenthread Thelesperma filifolium 1, 2
Ground Spurge Euphorbia prostrata 1, 2, 3, 4, 5, 6
Hairy Caltrop Kallstroemia hirsutissina 1, 2, 3, 4, 5, 6, 7
Hairy Nightshade Solanum sarrachoides1
Hedge Parsley Torilis arvensis 1, 2, 3, 4
Hemp Sesbania Sesbania exaltata1
Henbit Lamium amplexicaule1, 2, 3, 4
Huisachedaisy Amblyolepis setigera 1, 2, 3
Hophornbeam Copperleaf Acalypha ostryaefolia1, 2, 3, 4, 5, 6, 7
Horseweed Conyza canadensis1, 2, 3, 4, 5, 6, 7, 8
Indian Blanket Gaillardia pulchella 1
Indian Mallow Abutilon incana 1, 2
Japanese Hops Humulus japonicus1
Jimsonweed Datura stramonium1
Khakiweed Alternanthera pungens 1
Kochia Kochia scoparia1, 2, 3, 4, 5, 6
Lanceleaf Sage Salvania reflexa 1, 2, 3
Lizardtail Gaura Gaura Parviflora 1, 2, 3, 4, 5, 6, 7
Marijuana (noxious) Cannabis sativa1
Morningglory, Ivyleaf Ipomoea hederacea1, 2, 3, 4
Morningglory, Pitted Ipomoea lacunosa1
Morningglory, Tall Ipomoea purpurea1
Mousetail Myosurus minimus1
Mustard, London Rocket Sisymbrium irio1, 2, 3, 4, 5, 6, 7
Mustard, Pinnatetansy Descurainia pinnate1, 2, 3, 4, 5
Mustard, Tansy Descurainia pinnata 1, 2, 3, 4, 5, 6
Mustard, Tumble Sisymbrium altissimum1, 2, 3, 4, 5
Mustard, Turnip Weed Rapistrum rugosum1, 2, 3, 4, 5, 6, 7, 8
Mustard, Wild Brassica kaber1
Nodding Spurge Euphorbia nutans1
Palmer Amaranth Amaranthus palmeri1, 2
Partridgepea Cassia chamaecrista1
Pennycress, Field Thlaspi arvense1
Pigweed, Prostrate Amaranthus blitoides1, 2, 3, 4, 5
Pigweed, Redroot Amaranthus retroflexus1
Pigweed, Tumble Amaranthus albus1, 2, 3, 4
Prickly Lettuce Lactuca serriola1, 2, 3, 4, 5, 6, 7
Prickly Sida Sida spinosa1
Prostrate Knotweed Polygonum aviculare1
Puncturevine Tribulus terrestris1, 2, 3, 4, 5, 6, 7
Purslane Speedwell Veronica peregrina1
Red Hornedpoppy Glaucium corniculatum 1, 2, 3, 4, 5
Riddell Groundsel Senecio riddellii 1, 2
Sawtooth aster Prionopsis ciliata1, 2, 3
Scrambledeggs Corydalis curvisiliqua 1, 2, 3
Shepherd's Purse Capsella bursa-pastoris1, 2
Sicklepod Senna obtusifolia1
Scarlet Gaura Gaura coccinea 1, 2, 3, 4
SilverLeaf Cassia Cassia phyllodinea 1, 2
Silversheath Knotweed Polygonum argyrocoleon 1, 2, 3, 4, 5
Slender Aster Aster gracilis1, 2
Smallhead Sneezeweed Helenium microcephalum 1, 2, 3, 4, 5, 6, 7
Smallseed Falseflax Camelina microcarpa1, 2
Smartweed, Pale Polygonum lapathifolium1
Smartweed, Pennsylvania Polygonum pensylvanicum 1
Snow-on-the-mountain Euphorbia marginata 1, 2, 3, 4, 5
Spiny Amaranth Amaranthus spinosus1
Spiny Sowthistle Sonchus asper1, 2, 3, 4, 5, 6
Spurge, Nodding Euphorbia nutans1
Spurge, Prostrate Euphorbia humistrata1, 2, 3
Spurge, Toothed Euphorbia dentata1
Spurred Anoda Anoda cristata1
Tahoka Daisy Machaeranthera tanacetifolia 1, 2, 3, 4, 5
Thistle, Malta Star Centaurea melitensis1, 2, 3, 4
Twinleaf Sennia Senna roemeriana 1, 2
Unicorn-plant Proboscidea louisianica1, 2, 3, 4, 5, 6, 7
Velvetleaf Abutilon theophrasti1, 2, 3, 4, 5, 6, 7
Venice Mallow Hibiscus trionum1
Vetch Vicia spp.1
Virginia Copperleaf Acalypha virginica1
Virginia Pepperweed Lepidium virginicum1, 2, 3, 4
Waterhemp Amaranthus tuberculatus 1, 2
Waterleaf Nama hispidum 1, 2, 3, 4
Wild Buckwheat Polygonum convolvulus1
Wild Lettuce Lactuca serriola1, 2, 3, 4, 5, 6, 7
Wright Eryngo Eryngium heterophyllum1, 2, 3
Woollywhite, Chalkhill Hymenopappus tenuifolius 1, 2, 3, 4
Woollywhite, Yellow Hymenopappus flavescens 1, 2, 3, 4, 5, 6
Yellow Rocket Barbarea vulgaris1
Yellow Sweetclover Melilotus indica1, 2, 3

Biennial Broadleaf Weeds
Common Name Scientific Name Linked Picture(s)
Beggars Lice Daucus carota1, 2, 3, 4, 5, 6, 7
Bull Thistle Cirsium vulgare1
Common Mullein Verbascum thapsus1
Poison Hemlock Conium maculatum1
Thistle, Blessed Milk Silybum_marianum1, 2, 3, 4, 5, 6, 7
Thistle, Distaff Carthamus lanatus1, 2, 3, 4
Thistle, Musk   (noxious) Carduus nutans1, 2, 3, 4
Thistle, Scotch  (noxious) Onopordum acanthium1, 2, 3, 4
Thistle, Tall Cirsium altissimum1
Thistle, Texas Purple Cirsium texanum1, 2, 3, 4, 5
Waterhemlock Cicuta maculata1
Wild Carrot Daucus carota1, 2, 3, 4, 5, 6, 7


Perennial Broadleaf Weeds
Common Name Scientific Name Linked Picture(s)
African Rue Peganum Harmala 1, 2, 3, 4
Alkali Mallow Malvella leprosa1, 2, 3
Antelope Horn Asclepias viridis 1, 2, 3
Balsam Gourd Ibervillea lindheimeri 1, 2, 3
Beggarweed Desmodium spp.1
Bindweed, Field  (noxious) Convolvulus arvensis1, 2, 3, 4, 5, 6, 7
Bindweed, Hedge Convolvulus sepium1
Bindweed, Texas Convolvulus equitans1, 2, 3, 4
Blackfoot Daisy Melampodium leucanthum1, 2
Blackseed Plantain Plantago rugelii1, 2, 3, 4
Broadleaf Plantains Plantago spp.1
Buckhorn Plantain Plantago lanceolata1
Buffalo Gourd Cucurbita foetidissima1
Bull Thistle Cirsium vulgare1
Canada Thistle  (noxious) Cirsium arvense1
Chicory Cichorium intybus1
Clammy Groundcherry Physalis heterophylla1, 2, 3, 4
Common Burdock Arctium minus1
Common Milkweed Asclepias syriaca1
Common Pokeweed Phytolacca americana1, 2, 3
Common Yarrow Achillea millefolium1, 2
Compass Plant Silphium laciniatum1
Cup Plant Silphium perfoliatum1
Curly Dock Rumex crispus1, 2, 3, 4, 5
Curlycup Gumweed Grindelia squarrosa1, 2, 3
Cutleaf Eveningprimose Oenothera laciniata1, 2
Dakota Verbena Verbena bipinnatifida1, 2
Englemann Daisy Englemannia pinnatifida1, 2, 3
Germander Teucrium cubense1
Goldenrod Solidago spp.1
Greenbriar Smilax spp.1
Hemp Dogbane Apocynum cannabinum1
Honeysuckle Lonicera spp.1
Hogpotato Hoffmanseggia densiflora 1, 2, 3, 4, 5
Horehound Marrubium vulgare 1, 2, 3, 4
Horsenettle Solanum carolinense1, 2, 3, 4, 5, 6, 7
Illinois Bundleflower Desmanthus illinoensis1
Jerusalem Artichoke Helianthus tuberosus1
Kudzu (noxious) Pueraria lobata1
Mexicanhat Ratibida columnaris 1, 2, 3, 4, 5, 6
Morningglory, Bigroot Ipomoea pandurata1
Morningglory, Sharppod Ipomoea trichocarpa 1, 2, 3, 4
Mouseear Chickweed Cerastium vulgatum1
Multiflora rose (noxious) Rosa multiflora1
Orange Globe Mallow Sphaeralcea occidentalis 1, 2
Oxeye Daisy Chrysanthemum leucanthemum1
Prickly Pear Opuntia spp.1, 2, 3
Purple Flower Groundcherry Physalis lobata 1, 2, 3, 4, 5, 6
Purple Horsemint Monarda citriodora 1, 2, 3
Purple Loosestrife  (noxious) Lythrum salicaria1
Rain Lily Cooperia_drummondii 1, 2
Rattlesnake master Eryngium yuccifolium1
Rosinweed Silphium integrifolium1
Scarlet Musk Flower Nyctaginia capitata1, 2
Silversage Artemesia ludoviciana1, 2
Silverleaf Nightshade Solanum elaeagnifolium 1, 2, 3, 4, 5, 6, 7, 8
Skeletonweed Lygodesmia juncea1
Smooth Groundcherry Physalis subglabrata1
Smooth Sumac Rhus glabra1
Spurge, Leafy Euphorbia esula1
Sweet William Verbena bipinnatifida1, 2
Texas Blueweed Helianthus ciliaris1, 2, 3, 4, 5
Texas Bullnettle Cnidoscolus texanus1, 2, 3
Threadleaf Groundsel Senecio longilobus1, 2
Trumpetcreeper Campsis radicans1
Upright Prairie Coneflower Ratibida columnaris 1, 2, 3, 4, 5, 6
Virginia Creeper Parthenocissus quinquefolia1
Western Ragweed Ambrosia psilostachya 1, 2, 3, 4, 5, 6
Western Salsify Tragopogon dubuis1, 2, 3, 4
White Foxglove Beardtongue Penstemon digitalis1
White Heath Aster Aster pilosus1
White Snakeroot Eupatorium rugosum1
Wild Geranium Geranium carolinanum1
Woollyleaf Bursage Ambrosia grayi1, 2, 3


The information from the Missouri Weed Site was used as a starting point to build this list. Some of the weeds were removed because they don't exsist in Texas. Many pictures were added and the new design will allow for easier modification.

A word of thanks to R.Q. "Jake" Landers, Jr. for his assistance in this project.