Annual Sowthistle (S. oleraceus)
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Blue Mustard (Chorispora tenella)
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Bur Buttercup (Ranunculus testiculatus)
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Burdock (Arctium minus)
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Chicory (Cichorium intybus)
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Clasping Pepperweed (Lepidium perfoliatum)
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Cocklebur (Xanthium stramonium)
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Common Ragweed
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Curly Cup Gumweed (Grindelia squarrosa)
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Field Bindweed (Convolvulus arvensis)
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Field Pennycress (Thlaspi arvense)
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Flixweed/Tansy Mustard (Descurania spp.)
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Giant Ragweed
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Goatshead/Puncturevine (Tribulus terrestris)
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Kochia
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Marsh Sowthistle (S. uliginosus)
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Matrimony vine (Solanum dulcamara)
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Perennial Sowthistle (S. arvensis)
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Poverty Sumpweed
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Prickly lettuce (L. serriola)
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Prostrate & spotted spurge (Chamaesyce maculata)
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Prostrate Knotweed (Polygonum aviculare)
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Prostrate Pigweed (Amaranthus biltoides)
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Purslane (Portulaca oleracea)
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Red Stem Filaree (Erodium cicutarum)
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Redroot Pigweed (Amaranthus retroflexus)
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Russian thistle (Salsola kali, S. iberica)
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Spiny Sowthistle (S. asper)
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Tar weed
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Virginia Groundcherry
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Western Whorled Milkweed (Asclepias subverticillata)
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Wright’s Groundcherry (P. wrightii) or Lanceleaf groundcherry
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