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| Nombre común | Inglés | Nombre botánico |
| Abrepuño | tocalote | Centaurea melitensis |
| Abrepuño amarillo | yellow star-thistle | Centaurea solstitiales |
| Abrepuño colorado | purple starthistle | Centaurea calcitrapa |
| Abrojo chico * | spiny coclkebur | Xanthium spinosum |
| Abrojo grande * | coclkebur |
Xanthium cavanillesii X strumarium var canadense |
| Abrojos | coclkebur | Xanthium spp. |
| Acacia rubida | red-stemmed wattle | Acacia myrtifolia |
| Acacias - Tuscas | wattles | Acacia spp. |
| Acederilla | red sorrell | Rumex acetosella |
| Aeschynomenes | jointvetch | Aeschynomene spp. |
| Afata | arrow-leaf sida | Sida rhombifolia |
| Afata hembra | paddy's lucerne | Sida spinosa |
| Albahaca silvestre | gallant soldier | Galinsoga parviflora |
| Alfilerillo | redstem filaree * | Erodium cicutarium |
| Alkenkenje | ground cherry * | Physalis angulata |
| Alpiste | canary grass | Phalaris canariensis |
| Altamisa | ragweed - ogweed | Ambrosia tenuifolia |
| Agropiro | quackgrass | Agropyron repens |
| Amor seco | greater beggar's ticks | Bidens subalternans |
| Apio salvaje | slender celery |
Apium leptophyllum Ciclospermum leptophyllum |
| Ataco | livid amaranthus | Amaranthus lividus |
| Avena cimarrona | wild oat |
Avena ludoviciana A sterlis var ludoviciana |
| Avena gigante | sterile oat * | Avena sterilis |
| Avena guacha | wild oat | Avena fatua |
| Azulejo | bachelor´s button * | Centaurea cyanus |
| Barba de indio | lesser fimbrystilis * |
Fimbristylis miliacea F littoralis - F annua |
| Bejucos | morning glory | Ipomoea spp. |
| Biznaga | toothpick-plant |
Ammi visnaga Daucus visnaga |
| Bolsa del pastor | shepherd's purse | Capsella bursa-pastoris |
| Botón dorado | australian brass button * | Cotula australis |
| Brachiaria | alexandergrass * | Brachiaria plantaginea Urochloa plantaginea |
| Cachiyuyos | spreading orach | Atriplex spp. |
| Cadillo | southern sanbur * | Cenchrus echinatus |
| Cala de agua | arrowhead | Sagittaria montevidensis |
| Calabacilla | common catchfly | Silene gallica |
| Camalote | water hyacinth | Eichornia crassipes |
| Camambú | grape groundcherry * |
Physalis mendocina P viscosa |
| Caminadora | itchgrass |
Rottboellia exaltata R cochinchinensis |
| Campanilla | common morning glory | Ipomoea purpurea |
| Caña de Castilla | giant reed | Arundo donax |
| Capín arroz | barnyardgrass | Echinochloa crus-galli |
| Capiquí | chickweed | Stellaria media |
| Cardo chileno | plumeless thistle | Carduus acanthoides |
| Cardo asnal | milk thistle | Silybum marianum |
| Cardo crespo | italian thsitle * | Carduus pycnocephalus |
| Cardo de Castilla | artichoke thistle * | Cynara cardunculus |
| Cardo lanudo | distaff thistle | Carthamus lanatus |
| Cardo negro | bull thistle | Cirsium vulgare |
| Cardo pampa | cotton thistle * | Onopordum acanthium |
| Cardo pendiente | musk thistle | Carduus nutans |
| Cardo ruso | prickly russian thistle | Salsola tragus ssp. kali |
| Carraspique | field pennycres | Thlaspi arvense |
| Carrizo | common reed |
Phragmite communis P australis |
| Cebada cervecera | two-row barley |
Hordeum distichum H vulgare var distichum |
| Cebadilla criolla | rescuegrass | Bromus
unioloides B catharticus - B willdenowii |
| Cebollín | nutsedge * | Cyperus rotundus |
| Ceibalillo | redstems | Ammania auriculata |
| Cerraja | annual sowthistle | Sonchus oleraceus |
| Chamico | chinese thornapple * | Datura ferox |
| Chañar | chilean palo verde * | Geoffroea decorticans |
| Chinchilla | false marigold * | Tagetes minuta |
| Chufa | yellow nutsedge * |
Cyperus esculentus var leptostachyus |
| Clavel del aire | air plant * | Tillandsia aeranthos |
| Cola de zorro | green bristlegrass | Setaria viridis |
| Colas de zorro | bristlegrass | Setaria sp. |
| Colza guacha * | rape * | Brassica napus |
| Corregüela | field bindweed | Convolvulus arvensis |
| Cuernos del diablo | unicorn plant * | Ibicella lutea |
| Diente de león | dandelion | Taraxacum officinale |
| Duraznillo de agua | creeping waterprimrose | Ludwigia peploides |
| Duraznillo negro | chilean flowering jassamine | Cestrum parqui |
| Enredadera anual | wild buckwheat * | Polygonum convolvulus |
| Erísimo | hedge mustard | Sisymbrium officinale |
| Escoba dura | false mallow | Malvastrum coromandelianum |
| Espina colorada | sticky nightshade | Solanum sisymbriifolium |
| Estramonio | jimsonweed | Datura stramonium |
| Farolito | apple of peru |
Nicandra
physalodes Physalodes peruviana |
| Falsa biznaga | bishop's flower * | Ammi majus |
| Flor amarilla | perennial wallrocket | Diplotaxis tenuifolia |
| Flor de pajarito | fumitory | Fumaria officinalis |
| Flor morada | viper's-bugloss | Echium plantagineum |
| Flor de Santa Lucía | virginia dayflower | Commelina virginica |
| Gatton panic * | guinea grass | Panicum maximum |
| Girasol guacho | common sunflower | Helianthus annuus |
| Girasolillo | cowpen daisy | Verbesina encelioides |
| Grama Rhodes | rhodes grass | Chloris gayana |
| Gramilla de huerta | orcutt lovegrass * |
Eragrostis virescens E Orcuttiana - E mexicana |
| Gramilla dulce | knotgrass |
Paspalum distichum P paspalodes - P paspaloides |
| Gramón | bermudagrass | Cynodon dactylon |
| Hierba cana | common groundsel | Senecio vulgaris |
| Hierba mora | tall nightshade |
Solanum sublobatum S chenopodioides |
| Hierba pegajosa | hooked bristlegrass | Setaria verticillata |
| Hinojo | fennel | Foeniculum vulgare |
| Junco | bulrush | Scirpus californicus |
| Junquillo | purple nutsedge | Cyperus iria |
| Lagunilla | alligator weed | Alternathera philoxeroides |
| Lecherón | toothed spurge | Euphorbia dentata |
| Lengua de vaca | curly dock | Rumex crispus |
| Llantén | common plantain | Plantago major |
| Lupulina | black medic | Medicago lupulina |
| Maíz guacho | wild corn | Zea mays |
| Malva | little mallow | Malva parviflora |
| Malva cimarrona | crested anoda |
Anoda cristata Sida cristata |
| Manzanilla | chamomilla | Matricaria chamomilla |
| Manzanilla cimarrona | mayweed chamomile | Anthemis cotula |
| Mastuerzo | swinecress * | Coronopus didymus |
| Meona | spurge * |
Euphorbia serpens var montevidensis |
| Morenita | mexican fireweed | Kochia scoparia |
| Mostacilla | annual bastard cabbage | Rapistrum rugosum |
| Mostaza negra | black mustard | Brassica nigra |
| Mostaza silvestre | wild mustard | Sinapsis arvensis |
| Nabo | birdsrape mustard | Brassica campestris |
| Nabo chileno | tumble mustard | Sisymbrium altissimum |
| Nabo francés | gold of pleasure | Camelina sativa |
| Nabón * | wild radish | Raphanus sativus |
| No me olvides - Amurajes | blue pimpernel | Anagallis arvensis var caerulea |
| Ortiga | small nettle | Urtica urens |
| Ortiga mansa | henbit | Lamium aplexicaule |
| Paiquito | clammy goosefoot | Chenopodium pumilio |
| Paitén | knotroot bristlegrass |
Setaria geniculata S gracilis |
| Paja mansa | tussock paspalum | Paspalum quadrifarium |
| Paja voladora | berg's panicgrass |
Panicum bergii P pilcomayense |
| Panicum | witchgrass | Panicum capillare |
| Paragüita | largeleaf pennywort | Hydrocotile bonariensis |
| Pasto brachiaria | broadleaf platyphylla |
Brachiaria extensa B platyphyla |
| Pasto colchón | fall panicum | Panicum dichotomiflorum |
| Pasto colorado | junglerice | Echinochloa corona |
| Pasto de cuaresma | crabgrass | Digitaria sanguinalis |
| Pasto miel | dallisgrass | Paspalum dilatatum |
| Pasto morado | red sprangletop | Leptochloa filiformis |
| Pasto puna | puna grass | Stipa brachychaeta |
| Pasto quila | red top | Agrostis alba |
| Pega pega | bedstraw * | Galium aparine |
| Peludilla | spiked cudweed | Gamochaeta spicata |
| Perejilillo | hoary bowlesia * | Bowlesia incana |
| Pie de gallina * | goosegrass | Eleusine indica |
| Poa * | annual biegras * | Poa annua |
| Quinoa - Quinua | quinoa | Chenopodium quinoa |
| Quinoa blanca | lambsquarters | Chenopodium album |
| Quinoa criolla | avian goosefoot | Chenopodium hircinum |
| Quinoa negra | nettle-leaved goosefoot | Chenopodium murale |
| Raigrás criollo | italian ryegrass | Lolium multiflorum |
| Raigrás perenne | perennial ryegrass | Lolium perenne |
| Rabizón | wild radish | Raphanus raphanistrum |
| Rama negra | hairy fleabane | Conyza bonariensis |
| Revienta caballos | silverleaf nightshade | Solanum elaeagnifolium |
| Roseta | field sandbur |
Cenchrus parciflorus C incertus |
| Roseta francesa | punturevine | Tribulus terrestris |
| Saetilla | hairy beggar's ticks | Bidens pilosa |
| Sanguinaria * | wire weed * | Polygonum aviculare |
| Senecio amarillo | fireweed | Senecio madagascariensis |
| Sorgo de Alepo | johnsongrass | Sorghum halepense |
| Spergula | corn spurry | Spergula arvensis |
| Tolanga | staggerweed | Stachys arvensis |
| Torito | bristly starbur | Acanthospermum hispidum |
| Totoras | cattail | Typha spp. |
| Totorilla | fragant flatsedge | Cyperus odoratus |
| Trébol blanco | white clover | Trifolium repens |
| Trigos | wheat | Triticum spp. |
| Triguillo | mexican sprangletop |
Diplachne uninervia Leptochloa uninervia |
| Túpulos | tupulo | Sicyos sp. |
| Valda | yellowtops * | Flaveria bidentis |
| Verdolaga | common purslane * | Portulaca oleracea |
| Verdolaga alfombra | carpetweed | Mollugo verticillata |
| Verdolaga rastrera | horse purslane | Trianthema portulacastrum |
| Verónica | common speedwell | Veronica arvensis |
| Vicias | vetch | Vicia spp. |
| Vinagrillo | creeping woodsorrel | Oxalis corniculata |
| Violeta silvestre | field pansy | Viola arvensis |
| Vira vira | vira-vira * |
Gnaphalium gaudichaidianum G vira vira - G cheiranthifolium |
| Yerba del sapo | brazil pusley | Richardia brasiliensis |
| Yuyo amargón | lesser centaury | Centaurium pulchellium |
| Yuyo colorado | smooth pigweed | Amaranthus hybridus |
| Yuyo colorado | redroot pigweed | Amaranthus retroflexus |
| Yuyo San Vicente - Artemisia | common worm wood * |
Artemisia verlotorum A vulgaris |
| Yuyos colorados | pigweed | Amaranthus spp. |
