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Athel pine (Tamarix aphylla) flowers. Athel pine has been classified as one of Australia's worst 20 weeds.
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African Boxthorn (Lycium ferocissimum) taking over shaded areas.
Acknowledgment: North West Weeds
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African Boxthorn (Lycium ferocissimum) fruit.
Acknowledgement: North West Weeds
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Bishops weed (Ammi majus) - common throughout the north-west - sometimes confused with Parthenium weed because of the white flowers.
Acknowledgement: North West Weeds
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Bladder Ketmia (Hibiscus trionum) - produces attractive flowers which look like small "lanterns" before they open.
Acknowledgement: North West Weeds
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Blue Heliotrope (Heliotropium amplexicaule) - listed as a noxious weed, can also be poisonous to livestock.
Acknowledgement: North West Weeds
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Bunch Speargrass (Heteropogon contortus) - a serious problem for sheep. The sharp seeds can penetrate the skin, sometimes with fatal results.
Acknowledgement: North West Weeds
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Chilean Needle (Nassella neesiana) grass - in full seed head, it is hard to locate unless it is in seed.
Acknowledgement: North West Weeds
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Common Prickly Pear (Opuntia stricta) in early flowering.
Acknowledgement: North West Weeds
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False Caper, or Bacon and Eggs (Euphorbia terracina L.) Bingara, Northern NSW. Has been suspected of poisoning stock.
Acknowledgement: North West Weeds
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Golden Dodder (Cuscuta campestris) - a parasitic weed that attacks various plants including lucerne. This plant is now a declared noxious in many shires.
Acknowledgement: North West Weeds
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Major infestation of Green Cestrum (Cestrum parqui) - Beardy River, Northern NSW.
Acknowledgement: North West Weeds
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Green Cestrum (Cestrum parqui) flowers.
Acknowledgement: North West Weeds
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Harrisia Cactus (Harrisia martinii) with fruit.
Acknowledgement: North West Weeds
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Honey locust tree (Gleditsia tricanthos) - note the thorns on the tree. A noxious weed in Queensland.
Acknowledgement: North West Weeds
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Jerusalem Cherry (Solanum pseudocapsicum) fruit. Originally introduced from America, this plant especially the fruit can be toxic to livestock and humans.
Acknowledgement: North West Weeds
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Khaki weed (Alternanthera pungens) and gomphrena (soft khaki) weed (Gomphrena celosioides) - common throughout the northern Australia.
Acknowledgement: North West Weeds
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Kangaroo Thorn (Acacia paradoxa). Other common names include prickly acacia, prickly wattle, acacia hedge.
Acknowledgement: North West Weeds
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Lippia (Lippia canescens) flower and leaf.
Acknowledgement: North West Weeds
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Lippia (Lippia canescens) spreading over a concrete causeway.
Acknowledgement: North West Weeds
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Water Primrose (Ludwigia peploides spp montevidensis) - aquatic weed - growing on a farm dam in Northern NSW.
Acknowledgement: North West Weeds
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Mistletoe species.
Acknowledgement: North West Weeds
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Mulga Fern (Cheilanthes sieberi), also referred to as rock fern. This weed can be toxic to livestock.
Acknowledgement: North West Weeds
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Mother of Millions (Bryophyllum spp.) can be poisonous to livestock, particularly the flower.
Acknowledgement: North West Weeds
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Narrawa burr (Solanum cinereum) - one of the silverleaf nightshade "look-alikes".
Acknowledgment: North West Weeds
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Nodding thistle (Carduus nutans L.) is a problem in the higher, tablelands regions of NSW. It is capable of producing thousands of wind born seeds.
Acknowledgement: Noth West Weeds
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Osage orange (Maclura pomifera) - a thorny, environmental problem spreading along various watercourses including the McIntyre river in Northern NSW.
Acknowledgement: North West Weeds
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Parthenium weed (Parthenium hysterophorus) is an annual herb with a deep tap root which can have a large impact on agriculture and the environment.
Acknowledgemnt: NSW DPI and North West Weeds
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Paterson's curse (Echium plantagineum) is also known as Salvation Jane, it is an annual weed which can seriously effect livestock, horses are particularly susceptible.
Acknowledgement: North West Weeds
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Rope Pear flower.
Acknowledgement: North West Weeds
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Rice-flower (Pimelea pauciflora R. Br OR P. neo-anglica?) - Bingara area (Northern NSW). Rarely eaten by livestock, but can be toxic to sheep & cattle especially stock new to the area.
Acknowledgement: North West Weeds
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St John's wort flower (thumbnail in foreground).
Acknowledgement: North West Weeds
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St John's wort property near Inverell (Northern NSW) December 2003 prior to clearing.
Acknowledgement: North West Weeds
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Silverleaf nightshade - Myall Creek (Northern NSW).
Acknowledgement: North West Weeds
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St Barnaby's thistle (Centaurea solstitialis) - Delungra area (NOrthern NSW). Thorny nuisance plant, common along roadsides and other disturbed areas.
Acknowledgement: North West Weeds
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Tiger pear with cochineal.
Acknowledgement: North West Weeds
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Segments of Tiger Pear stuck to a boot.
Acknowledgement: North west Weeds
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Tree of heaven (Ailanthus altissima) flower and seeds.
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Tree of heaven (Ailanthus altissima) - Bingara area (Northern NSW).
Acknowledgement: North West Weeds
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Velvety Tree Pear flower.
Acknowledgement: North West Weeds
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