Australian Weeds and Livestock

Toxic to Horses
Botanical Name Common Name 
Abrus precatorius Gidee Gidee, Crab’s Eye, Jequirity Beans, Indian Liquorice
Acacia georginae  Georgina gidgee,
Acer spp Maples,
Aconitum napellus  Monkshood, Wolfsbane, Aconite
Adonis microcarpa  Small fruited pheasant’s eye, Red chamomile
Aesculus spp  Horsechestnut
Agapanthus spp  Agapanthus, African Lily
Ageratina adenophera   Crofton weed.
Allium triquetrum Three corner garlic, Angled onion
Alocasia macrorrhiza  Alocasia, Cunjevoi, Elephant ears, Giant Taro
Amaryllis belladonna Belladonna lily, Naked Lady
Amarynthus mitchellii Boggabri
Ambrosia artimisifolia Annual ragweed, Horseweed
Amsinkia spp Iron weed, Tarweed, Yellow Burrweed, Fiddleneck
Anagallis arvensis Scarlet pimpernel
Anthemis cotula Stinking mayweed, Corn chamomile
Arbutus unedo Irish Strawberry tree
Arctotheca calendula  Capeweed, Daisy chains
Asclepias curassavica Redhead cotton bush, Milkweed
Atalaya hemiglauca Whitewood, Cattle bush
Atropa belladonna Deadly Nightshade, Dwale
Brugmansia candida Angel’s trumpet, Datura
Bryophyllum spp Mother of millions, Christmas bells
Buxus spp Box hedge, Boxwood
Caesalpina spp Red Bird of Paradise, Mysore thorn
Calandrina spp Parakeela
Calotropis procera Rubber bush/tree, Kings crown
Cannabis sativa Cannabis, Indian hemp, Marijuana
Cassia spp Silver cassia, Punty bush
Castanospermum australe Black bean, Morton Bay chestnut
Cenchrus echinatus Mossman River grass, Buffel grass, Spiny burr grass
Centaurea solstitialis  St Barnaby’s thistle, Yellow cockspur
Cestrum spp Green / Orange cestrum
Chamaecytisus proliferus Lucerne tree, Tagasaste
Cheilanthes spp Rock fern, Mulga fern
Citrullus colocynthis Bitter apple, Wild water melon
Clematis spp Clematis, Old Man’s Beard
Conium maculatum Hemlock, Carrot fern, Poison Parsley
Consolida ambigua Larkspur
Convallaria majalis Lily of the Valley
Craspedia chrysantha Golden billybuttons, Yellow drumsticks
Crotolaria spp Rattlepods
Cryptostegia grandiflora Rubber vine
Cucumis myriocarpus Paddy melon, Prickly paddy melon
Cynodon dactylon Couch
Cytisus scoparius Broom, English/Scotch broom
Daphne spp Daphne
Datura ferox Fierce Thornapple, Long-spine Thornapple
Delphinium spp Delphinium
Dendrocnide spp Stinging tree
Dieffenbachia spp Dumbcane
Digitalis purpurea Foxglove
Duboisia myoporoides Corkwood
Duranta repens Golden dewdrop, Pigeon berry
Dysphania spp Red crumbweed
Echium plantagineum Patersons Curse, Salvation Jane, Murrumbidgee bluebell
Echium vulgare Blue thistle, Vipers bugloss
Emex australis Spiny emex, 3–corner Jack, Cats head, Double gee
Equisetum arvense Horsetail, Scouring rush
Eremophila longifolia Emu bush,  Berrigan, Native plum
Erethrina spp Coral tree, Corkwood
Erythroxylum coco Coco leaf, Cocaine
Eucalyptus cladocalyx Sugar gum
Euphorbia spp Spurge, Milkweed, Poinsettia
Gastrolobium grandiflorum Desert poison Bush, Heart-leaf poison
Gelsemium sempervirens Yellow jasmine, Carolina Jessamine, Woodbine
Genista monspessulana Cape broom, Montpellier broom, canary broom
Gleditisia triacanthos Honey locust tree, Bean tree
Gloriosa supurba Glory lily, Climbing lily, Flame Lily
Gomphocarpus fruiticosus Narrow-leaf cotton bush
Gomphocarpus physocarpus Balloon cotton Bush, Bladder cotton
Gomphrena celosiodes  Gomphrena, Soft kahki weed, White eye
Heliotropium amplexicaule Blue heliotrope,
Heliotropium europaeum Common heliotrope
Helleborus spp Christmas rose, Lenten rose
Homeria spp Cape tulip
Hydrangea macrophylla Hydrangea
Hypericum androsaeum Tutsan, Sweet amber.
Hypericum perforatum St John’s wort, Goat weed
Hypochoerus radicata Cat’s ear, Flat weed
Indigofera linnaei  Birdsville indigo
Jatropha curcas/multifida Physic nut, Purge nut, Coral plant
Kalmia augustifolia  Sheep laurel, Lambkill
Laburnum spp Laburnum
Lactuca serriola Prickly lettuce, Compass plant
Lamium amplexicaule  Deadnettle, Henbit
Lathyrus odoratus Sweet pea
Laurel spp Bay tree
Leucaena leucocephala Leucaena
Ligustrum lucidum Broad-leaf privet
Ligustrum sinense Small-leaf privet, Chinese privet
Lolium perene Ryegrass, Perennial ryegrass
Lupinus spp Lupins
Lycium ferocissimum African boxthorn, Boxthorn
Macrozamia spp Burrawang, Wild pineapple, Zamia
Malva parviflora  Marshmallow, Small flowered mallow
Marsilea drummondii Nardoo
Melia azedarach White cedar, Cape lilac, Neem tree
Melianthus comosus Tufted honeyflower, Cape honeyflower
Morinda reticulata Mapoon
Nerium oleander Oleander, Rose Bay, Rose Laurel
Ornithogalum thyrosoides Chincherinchee
Oxylobium spp Box Poison
Papaver somniferum Opium poppy
Parthenium hysterophorus Parthenium weed
Persea americana Avocado
Philodendron scandens  Philodendron
Pimelia curviflora (simplex) Pimelia, Desert rice bush, Flaxweed
Portulacca spp Munyeroo, Pigweed, Purslane
Prunus spp Apricot, Almond, Cherry, Plum, Peach, Prunus
Pteridium esculentum Bracken, Austral fern
Quercus spp Oak tree
Rhododendron spp Rhododendron, Azalea
Ricinus communis Caster oil plant
Robinia pseudoacacia Robinia, Black locust, False acacia
Salsola kali Soft roly poly, Prickly saltwort, Tumbleweed
Sapium sebiferum Chinese tallow tree
Sarcostemma australe Caustic vine, Caustic bush, Milk Vine
Schotia brachypetala Drunken Parrot tree, Tree fuschia, Boer Bean
Senecio madagascariensis Fireweed, Variable groundsel
Senecio quadridentatus Cotton fireweed
Senecio vulgaris Common groundsel
Solanum cinereum Narrawa burr
Sorghum halepense Johnson grass, Aleppo grass
Sorghum X almum Columbus grass
Stachys arvense Stagger weed, Hedge nettle, Mint weed
Stypandra glauca Nodding blue lily, Blind grass
Swainsona spp Darling pea, Swainsonia, Broughton pea
Tagetes minuta Stinking Roger
Taxus baccata English yew
Thevetia peruviana Yellow oleander, Tree daffodil, Be-still tree
Trachyandra divaricata Branched onion weed
Trema aspera Peach-leaf poison bush
Vicia faba Broad Beans, Vetchs
Xanthium occidentale Noogoora Burr
Xanthium spinosum Bathurst Burr
Zantedeschia aethiopica Arum lily, Cattle lily



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