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Common Weeds

A/P/Bi = annual, perennial or biennial
(Click on common name to view photo if available.)
Botanical Name Common Name Type Region A/P
Abutilon Theophrasti Medic. Velvet Leaf Broadleaf Throughout the U.S. A
Amaranthus hybridus * Smooth Pigweed Broadleaf Eastern half of U.S. A
Amaranthus retroflexus Redroot Pigweed*  Mature Broadleaf Throughout the U.S. A
Ambrosia spp. Ragweed   Giant Broadleaf Throughout the U.S. A
Apocynum cannabinum Hemp Dogbane Broadleaf Southeastern U.S. to TX.
Also from NY to VA
P
Brassica spp. Mustard Species Broadleaf Throughout the U.S. A
Cenchrus longispinus Sandbur, Field Grass Great Plains A
Centaurea maculosa Spotted Knapweed Broadleaf Throughout the U.S. A
Chenopodium album L. Common Lambsquarters Broadleaf Throughout the U.S. A
Cichorium intybus Chicory Broadleaf Throughout the U.S. P/Bi
Cirsium arvense Canada thistle Broadleaf   P
Cirsium vulgare Bull thistle Broadleaf   Bi
Convolvulus arvensis L. Field Bindweed Broadleaf Great Plains P
Cyperus esculentus * Yellow Nutsedge   Throughout the U.S. P
Daucus carota  Wild Carrot     Bi
Digitaria sanguinalis * Crabgrass, common Grass Entire U.S. except Southwest & south FL. A
Digitaria spp. Smooth Crabgrass Grass Throughout the U.S. A
Echinochloa muricata (Beauv.) Fern Barnyard Grass Grass Great Plains P
Elytrigia repens Quackgrass Grass   P
Eupatorium capillifolium * Dogfennel      
Euphorbia cordifolia or
Chamaesyce cordifolia *
Roundleaf Spurge Broadleaf   A
Euphorbia maculata Leafy Spurge Broadleaf   A
Fragaria spp. * Wild Strawberry Broadleaf    
Gnaphalium spicatum * Shiney Cudweed      
Ipomoea purpurea Tall Morningglory Broadleaf Eastern one-half of the U.S.,
except, ND, SD and MN.
A
Ipomoea spp. Pitted Morningglory Broadleaf Throughout the Southeast to Ohio A
Kochia scoparia (L.)Schrad Kochia Broadleaf Northern U.S. except W Coast.
Most prevalent in the Grt. Plains
A
Lespedeza striata * Common Lespedeza      
Liquidambar styraciflua * Sweet Gum Sapling      
Liriodendron tulipifera * Yellow Poplar Sapling      
Malva neglecta Mallow, common Broadleaf   A/Bi
Medicago lupulina Black Medic Broadleaf   A
Microstegium vimineum* Annual Jewgrass Broadleaf   A
Mollugo verticillata * Carpet Weed      
Oxalis spp.* Oxalis Broadleaf   P
Partheuocissus quinquefolia * Virginia Creeper Broadleaf    
Physalis subglabrata Smooth Groundcherry Broadleaf    
Plantago major or
Plantago rugellii
Plantain Broadleaf   P/A
Polygonum spp. Smartweed  Knotweed Broadleaf Throughout the U.S. A
Portulaca oleracea L. Common Purslane Broadleaf Throughout most of the U.S.:
Most abundant in NE.;
least in Pacific NW
A
Rumex crispus Curly Dock Broadleaf    
Rubus spp. * Wild Blackberry Broadleaf    
Senecio vulgaris Groundsel Broadleaf Throughout the U.S. A
Setaria glauca Yellow Foxtail Grass Throughout the U.S. P
Setaria spp. Giant Foxtail Grass Eastcentral U.S. A
Silene alba White Campion  2nd Pic Broadleaf   Bi/P
Similax rotundifolia * Roundleaf Greenbriar      
Solanum sarrachoides Sendt. Hairy Nightshade Broadleaf Throughout the U.S. A
Sonchus arvensis Sowthistle, perennial Broadleaf   P
Sonchus spp. Sowthistle Broadleaf   P
Stellaria media Chickweed Broadleaf   A
Taraxacum officinale Dandelion Broadleaf   P
Tribulus terrestris L. Puncturevine
(Caltro,Mex. Sandbur,
Goathead,Ground burnut)
Broadleaf Throughout Southern
two-thirds of the U.S.
A
Trifolium repens White Clover Broadleaf    
Xanthium strumarium L. Cocklebur Broadleaf Throughout the U.S A
* Indicates pictures used courtesy of Mr. Herb House, of Georgia.

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