Browse weeds by scientific name

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A-D


Acacia catechu (Cutch tree)
Acetosa sagittata (Turkey rhubarb)
Ageratina adenophora (Crofton weed)
Ageratina riparia (Mistflower)
Agrostis capillaris (Brown-top bent)
Ailanthus altissima (Tree-of-heaven)
Alhagi maurorum (Camel thorn)
Alternanthera philoxeroides (Alligator weed)
Alternanthera pungens (Khaki weed)
Ambrosia artemisiifolia (Annual ragweed)
Ambrosia confertiflora (Burr ragweed)
Ambrosia tenuifolia (Lacy ragweed)
Ambrosia psilostachya (Perennial ragweed)
Amelichloa caudata (Espartillo - broad kernel)
Amelichloa brachychaeta (Espartillo - narrow kernel)
Andropogon gayanus (Gamba grass)
Annona glabra (Pond apple)
Anredera cordifolia (Madeira vine)
Araujia sericifera (Moth vine)
Ardisia elliptica (Shoebutton ardisia)
Argemone mexicana (Mexican poppy)
Arundinaria species (Arundinaria reed)
Arundo donax (Giant reed)
Asparagus virgatus (Asparagus fern)
Asparagus species (Asparagus weeds)
Asparagus asparagoides (Bridal creeper)
Asparagus declinatus (Bridal veil creeper)
Asparagus africanus (Climbing asparagus)
Asparagus plumosus (Climbing asparagus fern)
Asparagus aethiopicus (Ground asparagus)
Asparagus falcatus (Sicklethorn)
Asparagus macowanii var. zuluensis (Ming asparagus fern)
Asparagus scandens (Snakefeather)
Asphodelus fistulosus (Onion weed)
Asystasia gangetica subsp. micrantha (Chinese violet)
Austrocylindropuntia cylindrica (Cane cactus)
Austrocylindropuntia species (Prickly pears - Austrocylindropuntias )
Azolla species (Azolla)
Baccharis halimifolia (Groundsel bush)
Bambusa species (Bamboo)
Barleria prionitis (Barleria)
Bassia scoparia (Kochia)
Berberis lomariifolia (Mahonia )
Brassica barrelieri subsp. oxyrrhina (Smooth-stemmed turnip)
Broussonetia papyrifera (Paper mulberry)
Bryophyllum species (Mother-of-millions)
Cabomba caroliniana (Cabomba)
Caesalpinia decapetala (Mysore thorn)
Calluna vulgaris (Heather)
Canna indica (Canna lily)
Cardiospermum grandiflorum (Balloon vine)
Carduus nutans subsp. nutans (Nodding thistle)
Carthamus leucocaulos (Glaucous starthistle)
Carthamus lanatus (Saffron thistle)
Cassina arcuata (Sifton bush)
Cecropia species (Cecropia)
Celtis sinensis (Chinese celtis)
Celtis australis (European hackberry)
Cenchrus macrourus (African feather grass)
Cenchrus brownii (Fine-bristled burr grass)
Cenchrus setaceus (Fountain grass)
Cenchrus biflorus (Gallon's curse)
Cenchrus echinatus (Mossman River grass)
Cenchrus longispinus (Spiny burrgrass - longispinus)
Cenchrus spinifex (Spiny burrgrass - spinifex)
Centaurea X moncktonii (Black knapweed)
Centaurea solstitialis (St. Barnaby's thistle)
Centaurea calcitrapa (Star thistle)
Centaurea stoebe subsp. micranthos (Spotted knapweed)
Cestrum parqui (Green cestrum)
Cestrum nocturnum (Lady-of-the-night)
Chromolaena odorata (Siam weed)
Chrysanthemoides monilifera subsp. monilifera (Boneseed)
Chrysanthemoides monilifera subsp. rotundata (Bitou bush)
Cineraria lyratiformis (Cineraria)
Cinnamomum camphora (Camphor laurel)
Cirsium arvense (Perennial thistle)
Cirsium vulgare (Spear thistle)
Clidemia hirta (Koster's curse)
Conium maculatum (Hemlock)
Conyza species (Fleabane)
Coprosma repens (Mirror bush)
Cortaderia species (Pampas grass)
Cotoneaster glaucophyllus (Cotoneaster)
Crataegus monogyna (Hawthorn)
Crocosmia x crocosmiiflora (Montbretia)
Crotalaria lunata (Rattlepod )
Cryptostegia grandiflora (Rubber vine)
Cuscuta species (Dodder)
Cuscuta campestris (Golden dodder)
Cylindropuntia rosea (Hudson pear)
Cylindropuntia species (Prickly pears - Cylindropuntias)
Cylindropuntia imbricata (Rope pear)
Cylindropuntia fulgida var. mamillata (Boxing glove cactus)
Cynara cardunculus (Artichoke thistle)
Cynoglossum creticum (Blue hound's tongue)
Cyperus teneristolon (Cyperus)
Cyperus esculentus (Yellow nutgrass)
Cyrtomium falcatum (Holly fern)
Cytisus multiflorus (White Spanish broom)
Cytisus scoparius subsp. scoparius (Scotch broom)
Datura stramonium (Common thornapple)
Delairea odorata (Cape ivy)
Dipogon lignosus (Dipogon)
Dittrichia viscosa (False yellowhead)
Dolichandra unguis-cati (Cat's claw creeper)
Dovyalis caffra (Kei apple)

E-K


Echinochloa polystachya (Aleman grass)
Echium italicum (Italian bugloss)
Echium plantagineum (Paterson's curse)
Echium vulgare (Viper's bugloss)
Egeria densa (Leafy elodea)
Eichhornia azurea (Anchored water hyacinth)
Eichhornia crassipes (Water hyacinth)
Elephantopus mollis (Tobacco weed)
Elodea canadensis (Elodea)
Emex australis (Spiny emex)
Equisetum species (Horsetails)
Eragrostis curvula (African lovegrass)
Erica lusitanica (Spanish heath)
Erythrina crista-galli (Cockspur coraltree)
Euphorbia paralias (Sea spurge)
Festuca gautieri (Bear-skin fescue)
Galenia pubescens (Galenia)
Genista monspessulana (Cape broom)
Genista linifolia (Flax-leaf broom)
Gleditsia triacanthos (Honey locust)
Gloriosa superba (Glory lily)
Gymnocoronis spilanthoides (Senegal tea plant)
Harrisia species (Harrisia cactus)
Hedychium gardnerianum (Ginger lily)
Helianthus ciliaris (Texas blueweed)
Heliotropium amplexicaule (Blue heliotrope)
Heteranthera reniformis (Kidney-leaf mud plantain)
Heteranthera zosterifolia (Water star grass)
Hieracium species (Hawkweeds)
Hydrocleys nymphoides (Water poppy)
Hydrocotyle ranunculoides (Hydrocotyl)
Hygrophila polysperma (East Indian hygrophila)
Hygrophila costata (Hygrophila)
Hymenachne amplexicaulis and hybrids (Hymenachne)
Hyparrhenia hirta (Coolatai grass)
Hypericum kouytchense (Goldflower)
Hypericum perforatum (St. John's wort)
Hypericum androsaemum (Tutsan )
Hypoestes phyllostachya (Freckle face )
Ibicella lutea (Devil's claw - yellow-flowered)
Ipomoea alba (Moonflower)
Ipomoea cairica (Morning glory - coastal)
Ipomoea purpurea (Morning glory - common)
Ipomoea indica (Morning glory - purple)
Jasminum polyanthum (Jasmine )
Jatropha gossypiifolia (Bellyache bush)
Juglans ailantifolia (Japanese walnut)
Koelreuteria elegans subsp. formosana (Chinese rain tree)

L-Q


Lachenalia reflexa (Yellow soldier)
Lagarosiphon major (Lagarosiphon)
Lantana montevidensis (Creeping lantana)
Lantana camara (Lantana)
Lemna minor (Duckweed)
Lepidium draba (Hoary cress)
Leucaena leucocephala (Leucaena)
Leucanthemum vulgare (Ox-eye daisy)
Ligustrum lucidum (Privet - broad-leaf)
Ligustrum vulgare (Privet - European)
Ligustrum sinense (Privet - narrow-leaf)
Lilium formosanum (Taiwan lily)
Limnobium laevigatum (Frogbit )
Limnobium spongia (Spongeplant)
Limnocharis flava (Yellow burrhead)
Limonium hyblaeum (Sicilian sea lavender)
Lonicera japonica (Japanese honeysuckle)
Ludwigia longifolia (Long-leaf willow primrose)
Ludwigia peruviana (Ludwigia)
Ludwigia repens (Red ludwigia)
Lycium ferocissimum (African boxthorn)
Macroptilium atropurpureum (Siratro)
Marrubium vulgare (Horehound)
Miconia species (Miconia)
Mikania micrantha (Mikania vine)
Mimosa pigra (Mimosa)
Moraea flaccida (Cape tulip - one leaf)
Moraea miniata (Cape tulip - two-leaf)
Murraya paniculata (Murraya)
Musa species (Seeded banana)
Myriophyllum spicatum (Eurasian water milfoil)
Myriophyllum aquaticum (Parrot's feather)
Nassella hyalina (Cane needle grass)
Nassella neesiana (Chilean needle grass)
Nassella charruana (Lobed needle grass)
Nassella tenuissima (Mexican feather grass)
Nassella trichotoma (Serrated tussock)
Nephrolepis cordifolia (Fishbone fern)
Neptunia oleracea (Water mimosa)
Nerium oleander (Oleander)
Nymphaea species (Water lilies)
Ochna serrulata (Ochna)
Oenothera curtiflora (Clockweed)
Olea europaea subsp. cuspidata (African olive)
Olea europaea subsp. europaea (Feral olive)
Onopordum illyricum (Illyrian thistle)
Onopordum acanthium (Scotch thistle)
Onopurdum acaulon (Stemless thistle)
Onopurdum tauricum (Taurian thistle)
Opuntia ficus-indica (Indian fig)
Opuntia species (Prickly pears - Opuntias )
Opuntia monacantha (Smooth tree pear)
Opuntia aurantiaca (Tiger pear)
Opuntia tomentosa (Velvety tree pear)
Opuntia stricta (Common pear)
Orbea variegata (Carrion flower)
Orobanche species (Broomrapes)
Oryza rufipogon (Red rice)
Paederia foetida (Skunk vine)
Parietaria judaica (Pellitory)
Parkinsonia aculeata (Parkinsonia)
Parthenium hysterophorus (Parthenium weed)
Paspalum quadrifarium (Tussock paspalum)
Passiflora caerulea (Blue passionflower)
Passiflora suberosa (Corky passionfruit)
Pelargonium alchemilloides (Garden geranium)
Pennisetum villosum (Long-style feather grass)
Pereskia aculeata (Leaf cactus)
Persicaria chinensis (Chinese knotweed)
Phyla canescens (Lippia)
Phyllostachys species (Rhizomatous bamboo)
Physalis longifolia (Perennial ground cherry)
Physalis hederifolia (Prairie ground cherry)
Picnomon acarna (Soldier thistle)
Piptochaetium montevidense (Uruguayan rice grass)
Pistia stratiotes (Water lettuce)
Pithecoctenium crucigerum (Monkey's comb )
Pittosporum undulatum (Sweet pittosporum)
Praxelis clematidea (Praxelis)
Proboscidea louisianica (Devil's claw - purple-flowered)
Prosopis species (Mesquite)
Psidium cattleyanum (Cherry guava)
Pteridium esculentum (Bracken fern)
Pueraria lobata (Kudzu)
Pyracantha species (Firethorn)

R-Z


Raphanus raphanistrum (Wild radish)
Retama raetam (White weeping broom)
Rhaphiolepis indica (Indian hawthorn)
Rhaponticum repens (Creeping knapweed)
Ricinus communis (Castor oil plant)
Robinia pseudoacacia (Black locust)
Rosa rubiginosa (Sweet briar)
Rubus fruticosus species aggregate (Blackberry)
Rubus niveus (White blackberry)
Sagittaria platyphylla (Sagittaria)
Sagittaria calycina var. calycina (Arrowhead)
Salix nigra (Black willow)
Salix cinerea (Grey sallow)
Salix species (Willows)
Salpichroa origanifolia (Pampas lily of the valley)
Salvia reflexa (Mintweed)
Salvinia molesta (Salvinia)
Schefflera actinophylla (Umbrella tree)
Schinus terebinthifolius (Broad-leaf pepper tree)
Schinus species (Peppercorn)
Sclerolaena muricata (Black roly-poly)
Sclerolaena birchii (Galvanised burr)
Scolymus hispanicus (Golden thistle)
Scolymus maculatus (Spotted golden thistle)
Searsia lancea (Willow rhus)
Senecio madagascariensis (Fireweed)
Senecio glastifolius (Holly leaved senecio)
Senecio jacobaea (Ragwort)
Senna septemtrionalis (Winter senna )
Senna pendula var. glabrata (Cassia )
Setaria palmifolia (Palm grass)
Sisymbrium thellungii (African turnip weed - eastern)
Sisymbrium runcinatum (African turnip weed - western)
Solanum seaforthianum (Brazilian nightshade)
Solanum rostratum (Buffalo burr)
Solanum chrysotrichum (Giant devil's fig)
Solanum elaeagnifolium (Silverleaf nightshade)
Solanum mauritianum (Tobacco bush)
Solanum viarum (Tropical soda apple)
Sonchus arvensis (Corn sowthistle)
Sorghum x almum (Columbus grass)
Sorghum halepense (Johnson grass)
Sorghum species hybrid cultivar "Silk" (Silk forage sorghum)
Spartium junceum (Spanish broom)
Sphagneticola trilobata (Singapore daisy)
Sporobolus fertilis (Giant Parramatta grass)
Sporobolus pyramidalis (Giant rat's tail grass)
Stachytarpheta cayennensis (Cayenne snakeweed)
Stratiotes aloides (Water soldier)
Striga species (Witchweeds)
Syagrus romanzoffiana (Cocos palm )
Tamarix aphylla (Athel pine)
Tanacetum vulgare (Common tansy)
Tecoma stans (Yellow bells)
Tetrapanax papyrifer (Rice paper plant)
Thunbergia laurifolia (Laurel clock vine)
Tillandsia usneoides (Spanish moss )
Tipuana tipu (Rosewood)
Tithonia diversifolia (Japanese sunflower)
Toxicodendron succedaneum (Rhus tree)
Tradescantia fluminensis (Trad)
Trapa species (Water caltrop)
Triadica sebifera (Chinese tallow tree)
Trianoptiles solitaria (Subterranean cape sedge)
Typha species (Cumbungi)
Ulex europaeus (Gorse)
Vachellia karroo (Karroo thorn)
Vachellia farnesiana (Mimosa bush)
Vachellia nilotica (Prickly acacia)
Vinca major (Blue periwinkle )
Xanthium spinosum (Burr - Bathurst burr)
Xanthium orientale (Burr - Californian burr)
Xanthium italicum (Burr - Italian cockleburr)
Xanthium cavanillesii (Burr - South American burr)
Xanthium occidentale (Noogoora burr)
Zantedeschia aethiopica (Arum lily)