| Abutilon theophrasti | velvet-leaf |
| Acacia baileyana | Cootamundra wattle |
| Acacia dealbata | silver wattle |
| Acacia longifolia | golden wattle |
| Acacia melanoxylon | blackwood acacia |
| Acacia paradoxa | kangaroothorn |
| Acacia redolens | |
| Acacia retinodes | everblooming acacia |
| Acacia verticillata | star acacia |
| Acer campestre | hedge maple |
| Aegilops triuncialis | barbed goatgrass |
| Ageratina adenophora | |
| Agrostis avenacea | blown grass |
| Agrostis capillaris | colonial bent |
| Agrostis stolonifera | creeping bentgrass |
| Ailanthus altissima | tree of heaven |
| Aira caryophyllea | silver hairgrass |
| Aira elegans | |
| Alisma lanceolatum | water plantain |
| Allium neapolitanum | white garlic |
| Allium paniculatum var. paniculatum | |
| Allium triquetrum | three-cornered leek |
| Alopecurus myosuroides | slender meadow foxtail |
| Amaranthus albus | pigweed |
| Amaranthus deflexus | |
| Amaranthus hybridus | |
| Amaranthus retroflexus | rough pigweed |
| Amaryllis belladonna | naked-lady |
| Anthemis cotula | mayweed, dog-fennel |
| Anthriscus caucalis | bur-chervil |
| Antirrhinum majus | snapdragon |
| Apium graveolens | celery |
| Apium nodiflorum | |
| Arabidopsis thaliana | mouse-ear cress |
| Argyranthemum foeniculaceum | |
| Artemisia biennis | biennial wormwood |
| Arum italicum | |
| Arundo donax | giant reed |
| Asparagus asparagoides | |
| Asparagus officinalis subsp. officinalis | asparagus |
| Asphodelus fistulosus | onionweed |
| Atriplex prostrata | spearscale |
| Atriplex rosea | tumbling orach |
| Atriplex semibaccata | Australian saltbush |
| Atriplex suberecta | sprawling saltbush |
| Avena barbata | slender wild oat |
| Avena fatua | wild oat |
| Avena sterilis | |
| Bassia hyssopifolia | |
| Bellardia trixago var. trixago | |
| Bellis perennis | English daisy |
| Beta vulgaris subsp. maritima | sea beet |
| Brachypodium distachyon | false-brome |
| Brassica juncea | India mustard |
| Brassica nigra | black mustard |
| Brassica oleracea | cabbage |
| Brassica rapa | field mustard |
| Briza maxima | quaking grass |
| Briza minor | little quaking grass |
| Bromus arenarius | Australian chess |
| Bromus berteroanus | Chilean chess |
| Bromus catharticus var. catharticus | rescue grass |
| Bromus catharticus var. elatus | Chilean brome |
| Bromus commutatus | hairy chess |
| Bromus diandrus | ripgut brome |
| Bromus hordeaceus | soft chess |
| Bromus japonicus | Japanese chess |
| Bromus madritensis | Spanish brome |
| Bromus racemosus | smooth brome |
| Bromus rubens | foxtail chess |
| Bromus sterilis | poverty brome |
| Bromus tectorum | cheat grass |
| Buddleja davidii | butterfly bush |
| Cabomba caroliniana | fanwort |
| Cakile edentula | sea rocket |
| Cakile maritima | sea rocket |
| Calendula arvensis | field-marigold |
| Calendula officinalis | pot-marigold |
| Caltha palustris | marsh-marigold |
| Calystegia silvatica subsp. disjuncta | shortstalk false bindweed |
| Capsella bursa-pastoris | shepherd's purse |
| Cardamine hirsuta | |
| Carduus pycnocephalus subsp. pycnocephalus | Italian thistle |
| Carduus tenuiflorus | |
| Carex pendula | |
| Carpobrotus chilensis | sea fig |
| Carpobrotus edulis | freeway iceplant |
| Centaurea calcitrapa | purple star-thistle |
| Centaurea cyanus | bachelor's button, cornflower |
| Centaurea iberica | Iberian starthistle |
| Centaurea melitensis | tocalote, Maltese start-thistle |
| Centaurea solstitialis | yellow star-thistle |
| Centranthus ruber | red valerian |
| Cerastium fontanum subsp. vulgare | |
| Cerastium glomeratum | mouse-ear chickweed |
| Cestrum parqui | Chilean jessamine |
| Chasmanthe floribunda | African cornflag |
| Chenopodium album | lamb's quarters |
| Chenopodium macrospermum | coast goosefoot |
| Chenopodium murale | sowbane |
| Chenopodium vulvaria | stinking goosefoot |
| Cichorium intybus | chicory |
| Cirsium vulgare | bull thistle |
| Citrullus lanatus var. citroides | watermelon |
| Conium maculatum | poison hemlock |
| Consolida ajacis | |
| Convolvulus arvensis | bindweed |
| Cordyline australis | cabbage tree |
| Cortaderia jubata | pampas grass |
| Cortaderia selloana | pampas grass |
| Cotoneaster franchetii | |
| Cotoneaster lacteus | |
| Cotoneaster pannosus | |
| Cotula australis | |
| Cotula coronopifolia | brass-buttons |
| Crassula tillaea | |
| Crataegus monogyna | hawthorn |
| Crepis bursifolia | |
| Crepis capillaris | |
| Crepis vesicaria subsp. taraxacifolia | |
| Crocosmia ×crocosmiiflora | montbretia |
| Crypsis schoenoides | swamp grass |
| Crypsis vaginiflora | |
| Cuscuta japonica var. formosana | Japanese dodder |
| Cyclospermum leptophyllum | marsh-parsley |
| Cymbalaria muralis | Kenilworth-ivy |
| Cynara cardunculus | artichoke thistle, cardoon |
| Cynodon dactylon | Bermuda grass |
| Cynosurus echinatus | dogtail grass |
| Cyperus difformis | |
| Cyperus esculentus | yellow nut sedge |
| Cyperus involucratus | umbrella-sedge |
| Cypselea humifusa | |
| Cytisus scoparius | Scotch broom |
| Cytisus striatus | |
| Dactylis glomerata | orchard grass |
| Datura stramonium | jimson weed |
| Daucus carota | Queen Anne's lace |
| Delairea odorata | German-ivy |
| Desmazeria rigida | |
| Dianthus nudiflorus | |
| Dichondra micrantha | |
| Digitalis purpurea | foxglove |
| Digitaria ischaemum | |
| Digitaria sanguinalis | crabgrass |
| Dipsacus sativus | teasel |
| Dittrichia graveolens | stinkwort |
| Draba verna | spring whitlow-grass |
| Duchesnea indica var. indica | mock-strawberry |
| Dysphania ambrosioides | Mexican tea |
| Dysphania botrys | Jerusaleum-oak |
| Dysphania multifida | cut leaf pigweed |
| Echinochloa colona | |
| Echinochloa crus-galli | barnyard grass |
| Echinochloa muricata var. microstachya | |
| Echium candicans | Pride of Madeira |
| Egeria densa | Brazilian waterweed |
| Ehrharta erecta | Stebbins' grass |
| Eichhornia crassipes | water-hyacinth |
| Eleusine indica | goosegrass |
| Elymus caput-medusae | medusa-head rye |
| Elymus hispidus | wheatgrass |
| Elymus ponticus | tall wheatgrass |
| Epipactis helleborine | |
| Eragrostis cilianensis | stink grass |
| Eragrostis curvula | weeping lovegrass |
| Erigeron bonariensis | |
| Erigeron sumatrensis | |
| Eriobotrya japonica | loquat |
| Eriogonum fasciculatum var. foliolosum | California buckwheat |
| Erodium botrys | long-beaked filaree |
| Erodium brachycarpum | |
| Erodium cicutarium | red-stemmed filaree |
| Erodium malacoides | |
| Erodium moschatum | white-stem filaree |
| Eucalyptus camaldulensis | red gum |
| Eucalyptus globulus | blue gum |
| Eucalyptus pulchella | |
| Eucalyptus sideroxylon | red ironbark |
| Eucalyptus tereticornis | red forest gum |
| Eucalyptus viminalis | manna gum |
| Euphorbia lathyris | caper spurge |
| Euphorbia maculata | spotted spurge |
| Euphorbia oblongata | golden spurge |
| Euphorbia peplus | petty spurge |
| Euphorbia serpens | creeping spurge |
| Fallopia japonica | Japanese knotweed |
| Festuca arundinacea | tall fescue |
| Festuca bromoides | |
| Festuca myuros | zorro grass |
| Festuca perennis | Italian ryegrass |
| Festuca temulenta | darnel |
| Ficus carica | fig |
| Foeniculum vulgare | fennel |
| Fumaria capreolata | white ramping fumitory |
| Fumaria officinalis | fumitory |
| Galium divaricatum | Lamarck's bedstraw |
| Galium murale | tiny bedstraw |
| Galium parisiense | wall bedstraw |
| Galium tricornutum | rough corn bedstraw |
| Gamochaeta pensylvanica | |
| Gastridium phleoides | nit grass |
| Genista monspessulana | French broom |
| Geranium core-core | |
| Geranium dissectum | cut-leaved geranium |
| Geranium lucidum | |
| Geranium molle | cranes-bill geranium |
| Geranium potentilloides | |
| Geranium purpureum | little robin |
| Geranium robertianum | |
| Geranium rotundifolium | |
| Glebionis segetum | corn chrysanthemum |
| Glinus lotoides | |
| Glyceria declinata | waxy mannagrass |
| Hainardia cylindrica | |
| Hedera canariensis | Canary Islands ivy |
| Hedera helix | English ivy |
| Hedypnois rhagadioloides | |
| Helminthotheca echioides | bristly ox-tongue |
| Herniaria hirsuta var. cinerea | rupturewort |
| Hesperocyparis macrocarpa | Monterey cypress |
| Hirschfeldia incana | hoary mustard |
| Holcus lanatus | velvet grass |
| Holcus mollis | creeping velvet grass |
| Hordeum marinum subsp. gussoneanum | Mediterranean barley |
| Hordeum murinum subsp. glaucum | |
| Hordeum murinum subsp. leporinum | |
| Hordeum murinum subsp. murinum | |
| Hornungia procumbens | |
| Hypericum androsaemum | |
| Hypericum perforatum subsp. perforatum | Klamath weed |
| Hypochaeris glabra | smooth cat's ear |
| Hypochaeris radicata | rough cat's ear |
| Ilex aquifolium | English holly |
| Impatiens balfourii | touch-me-not |
| Iris foetidissima | stinking iris |
| Iris pseudacorus | yellow flag |
| Juncus ambiguus | frog rush |
| Juncus capitatus | dwarf rush |
| Juncus elliottii | |
| Juncus gerardi subsp. gerardi | mud rush |
| Kickxia elatine | fluellin |
| Kickxia spuria | fluellin |
| Kniphofia uvaria | |
| Koeleria gerardi | annual junegrass |
| Lactuca saligna | |
| Lactuca serriola | prickly lettuce |
| Lactuca virosa | |
| Lamarckia aurea | goldentop |
| Lamium amplexicaule | henbit |
| Lapsana communis | |
| Lathyrus latifolius | perennial sweet-pea |
| Lepidium appelianum | white-top |
| Lepidium chalepense | lens podded hoary cress |
| Lepidium coronopus | swine cress |
| Lepidium didymum | wart cress |
| Lepidium draba | hoary cress |
| Lepidium latifolium | perennial pepperweed |
| Lepidium pinnatifidum | |
| Ligustrum lucidum | Chinese privet |
| Limnobium spongia | West Indian spongewort |
| Limonium ramosissimum | Algerian sea-lavender |
| Limosella australis | delta mudwort |
| Linum bienne | |
| Lobularia maritima | sweet alyssum |
| Logfia gallica | |
| Lonicera japonica | Japanese honeysuckle |
| Lotus corniculatus | birdfoot trefoil |
| Ludwigia hexapetala | Uruguayan primrose-willow |
| Ludwigia peploides subsp. montevidensis | water-primrose |
| Ludwigia peploides subsp. peploides | |
| Lunaria annua | moonwort |
| Lychnis coronaria | rose campion |
| Lysimachia arvensis | scarlet pimpernel |
| Lysimachia monelli | flaxleaf pimpernel |
| Lythrum hyssopifolia | grass-poly |
| Lythrum salicaria | |
| Lythrum tribracteatum | |
| Malva assurgentiflora | island mallow |
| Malva multiflora | Cretan mallow |
| Malva nicaeensis | bull mallow |
| Malva parviflora | cheeseweed |
| Marrubium vulgare | horehound |
| Maytenus boaria | mayten |
| Medicago arabica | spotted burclover |
| Medicago lupulina | black medick |
| Medicago polymorpha | burclover |
| Medicago sativa | alfalfa |
| Melilotus albus | white sweetclover |
| Melilotus indicus | sourclover |
| Melissa officinalis | lemon balm |
| Mentha ×gracilis | Scotch spearmint |
| Mentha ×piperita | peppermint |
| Mentha aquatica | water mint |
| Mentha arvensis | field mint |
| Mentha pulegium | pennyroyal |
| Mentha spicata | spearmint |
| Mentha suaveolens | pineapple mint |
| Mercurialis annua | annual mercury |
| Mesembryanthemum nodiflorum | |
| Modiola caroliniana | |
| Mollugo verticillata | |
| Muehlenbeckia complexa | maidenhair vine |
| Myoporum laetum | |
| Myosotis discolor | |
| Myosotis latifolia | forget-me-not |
| Myriophyllum aquaticum | parrot's feather |
| Myriophyllum spicatum | Eurasian milfoil |
| Narcissus pseudonarcissus | daffodil |
| Narcissus tazetta | daffodil |
| Nicotiana acuminata var. multiflora | |
| Nicotiana glauca | tree tobacco |
| Nothoscordum gracile | false garlic |
| Oenothera biennis | common evening-primrose |
| Oenothera glazioviana | |
| Oenothera laciniata | |
| Oenothera sinuosa | wavyleaf gaura |
| Oenothera xenogaura | |
| Olea europaea | olive |
| Oxalis corniculata | creeping wood sorrel |
| Oxalis incarnata | crimson wood sorrel |
| Oxalis pes-caprae | Bermuda-buttercup |
| Parapholis incurva | sickle grass |
| Parietaria judaica | |
| Paspalum dilatatum | Dallis grass |
| Passiflora tarminiana | banana passion vine |
| Pelargonium grossularioides | |
| Pelargonium inquinans | geranium |
| Pennisetum clandestinum | Kikuyu grass |
| Pennisetum setaceum | fountain grass |
| Pennisetum villosum | |
| Persicaria hydropiper | waterpepper |
| Persicaria maculosa | lady's thumb |
| Petrorhagia dubia | pink grass |
| Phalaris aquatica | Harding grass |
| Phalaris brachystachys | short-spiked canary grass |
| Phalaris minor | little seed canary grass |
| Phalaris paradoxa | hooded canary grass |
| Phelipanche ramosa | |
| Phoenix canariensis | Canary Island date palm |
| Phytolacca heterotepala | Mexican pokeweed |
| Pinus radiata | Monterey pine |
| Pistacia atlantica | |
| Pittosporum crassifolium | |
| Plantago coronopus | cutleaf plantain |
| Plantago lanceolata | English plantain |
| Plantago major | common plantain |
| Poa annua | annual bluegrass |
| Poa bulbosa | bulbous bluegrass |
| Poa pratensis subsp. pratensis | Kentucky bluegrass |
| Polycarpon tetraphyllum subsp. tetraphyllum | four-leaved allseed |
| Polygonum argyrocoleon | persian knotweed |
| Polygonum aviculare subsp. aviculare | |
| Polygonum aviculare subsp. depressum | |
| Polygonum aviculare subsp. neglectum | |
| Polygonum aviculare subsp. rurivagum | |
| Polypogon imberbis | beard grass |
| Polypogon interruptus | ditch beard grass |
| Polypogon monspeliensis | rabbitfoot grass |
| Polypogon viridis | water bentgrass |
| Portulaca oleracea | common purslane |
| Potamogeton crispus | |
| Poterium sanguisorba | burnet |
| Proboscidea lutea | devil's claw |
| Prunella vulgaris var. vulgaris | |
| Prunus cerasifera | cherry plum |
| Prunus dulcis | almond |
| Pseudognaphalium luteoalbum | cudweed |
| Pseudotsuga menziesii var. menziesii | Douglas Fir |
| Puccinellia distans | European alkali grass |
| Pyracantha angustifolia | slender firethorn |
| Pyracantha coccinea | |
| Pyracantha crenulata | |
| Pyracantha fortuneana | Chinese firethorn |
| Quercus ilex | holly oak |
| Ranunculus muricatus | spiny buttercup |
| Ranunculus repens | |
| Ranunculus sceleratus | cursed crowsfoot |
| Raphanus raphanistrum | jointed charlock |
| Raphanus sativus | wild radish |
| Rhamnus alaternus | Italian buckthorn |
| Rhaponticum repens | Russian knapweed |
| Ricinus communis | castor-bean |
| Robinia pseudoacacia | black locust |
| Romulea rosea var. australis | |
| Rosa rubiginosa | sweet-brier |
| Rubus armeniacus | Himalayan blackberry |
| Rubus laciniatus | cutleaf blackberry |
| Rubus pensilvanicus | |
| Rubus ulmifolius var. anoplothyrsus | |
| Rumex acetosella | sheep sorrel |
| Rumex conglomeratus | green dock |
| Rumex crispus | curly dock |
| Rumex obtusifolius | bitter dock |
| Rumex pulcher | fiddle dock |
| Rytidosperma caespitosum | |
| Rytidosperma penicillatum | hairy oat grass |
| Rytidosperma racemosum | |
| Sagina apetala | dwarf pearlwort |
| Sagina procumbens | matted pearlwort |
| Salpichroa origanifolia | |
| Salsola australis | |
| Salsola soda | |
| Salsola tragus | Russian thistle |
| Salvia apiana | |
| Salvia leucophylla | |
| Scabiosa atropurpurea | pincushion flower |
| Scandix pecten-veneris | Venus' needle |
| Schinus molle | peruvian pepper-tree |
| Schismus arabicus | Mediterranean grass |
| Scolymus hispanicus | golden thistle |
| Senecio glomeratus | cutleaf burnweed |
| Senecio jacobaea | tansy ragwort |
| Senecio minimus | Australian fireweed |
| Senecio sylvaticus | woodland ragwort |
| Senecio vulgaris | common groundsel |
| Setaria pumila subsp. pumila | yellow brittlegrass |
| Setaria viridis | green brittlegrass |
| Sherardia arvensis | field madder |
| Silene gallica | windmill pink |
| Silybum marianum | milk-thistle |
| Sinapis arvensis | charlock |
| Sisymbrium irio | London rocket |
| Sisymbrium officinale | hedge mustard |
| Sisymbrium orientale | |
| Solanum elaeagnifolium | white horse-nettle |
| Solanum furcatum | |
| Solanum lanceolatum | lanceleaf nightshade |
| Solanum nigrum | black nightshade |
| Solanum physalifolium var. nitidibaccatum | nightshade |
| Soleirolia soleirolii | baby's tears |
| Soliva sessilis | |
| Sonchus asper subsp. asper | prickly sow-thistle |
| Sonchus oleraceus | common sow-thistle |
| Sonchus tenerrimus | |
| Sorghum bicolor | sorghum |
| Sorghum halepense | Johnson-grass |
| Spartina alterniflora | saltwater cordgrass |
| Spartina densiflora | dense-flowered cordgrass |
| Spartina patens | saltmeadow cordgrass |
| Spartium junceum | Spanish broom |
| Spergula arvensis | spurrey |
| Spergularia bocconi | |
| Spergularia media var. media | greater sea-spurrey |
| Spergularia rubra | red sand-spurrey |
| Spergularia villosa | hairy sand-spurrey |
| Sporobolus indicus | smutgrass |
| Stellaria media | common chickweed |
| Stellaria pallida | |
| Stenotaphrum secundatum | St. Augustine grass |
| Stipa miliacea var. miliacea | smilo grass |
| Tamarix parviflora | smallflower tamarisk |
| Tamarix ramosissima | saltcedar |
| Tanacetum parthenium | feverfew |
| Taraxacum erythrospermum | red-seeded dandelion |
| Taraxacum officinale | common dandelion |
| Tetragonia tetragonoides | New Zealand spinach |
| Torilis arvensis | tall sock-destroyer |
| Torilis nodosa | short sock-destroyer |
| Tradescantia fluminensis | |
| Tragopogon porrifolius | salsify |
| Tribulus terrestris | puncture vine |
| Trifolium angustifolium | narrowleaf clover |
| Trifolium campestre | hop clover |
| Trifolium dubium | little hop clover |
| Trifolium fragiferum | strawberry clover |
| Trifolium glomeratum | clustered clover |
| Trifolium hirtum | rose clover |
| Trifolium hybridum | alsike clover |
| Trifolium incarnatum | crimson clover |
| Trifolium pratense | red clover |
| Trifolium repens | white clover |
| Trifolium subterraneum | subterranean clover |
| Trifolium tomentosum | woolly clover |
| Tropaeolum majus | garden nasturtium |
| Typha angustifolia | narrow-leaved cattail |
| Ulmus minor | English elm |
| Urospermum picroides | false hawkbit |
| Urtica urens | dwarf nettle |
| Verbascum blattaria | moth mullein |
| Verbascum thapsus | woolly mullein |
| Verbena litoralis | |
| Verbesina encelioides subsp. exauriculata | golden crownbeard |
| Veronica anagallis-aquatica | water speedwell |
| Veronica arvensis | |
| Veronica catenata | chain speedwell |
| Veronica persica | Persian speedwell |
| Vicia benghalensis | purple vetch |
| Vicia disperma | |
| Vicia sativa subsp. nigra | common vetch |
| Vicia sativa subsp. sativa | spring vetch |
| Vicia villosa subsp. varia | winter vetch |
| Vicia villosa subsp. villosa | hairy vetch |
| Vinca major | greater periwinkle |
| Xanthium spinosum | spiny cocklebur |
| Zantedeschia aethiopica | calla-lily |