Locations within which Ageratina adenophora is naturalised include Australia, southern Europe, Africa, Asia, New Zealand, south-western USA and many. Photo: Bart Wursten Ballantyne Park, Harare. Ageratina adenophora. Photo: Bart Wursten Ballantyne Park, Harare. Ageratina adenophora. Photo: Bart Wursten. A. adenophora has proved to be a very aggressive invasive species in some parts of the world, notably Australia, where it forced some farmers.

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Click on images to enlarge comparison adenophoraa crofton weed Ageratina adenophoraleft, and mistflower Ageratina ripariaright Photo: It also thrives in damp areas such as wetland margins, drainage lines, gullies and in clearings in wetter forests. The leaves are oppositely arranged along the stems and are borne on stalks petioles cm long.

Weeds of Australia – Biosecurity Queensland Edition Fact Sheet

This condition can be fatal if enough of the weed is consumed over a long period. This condition can be fatal if enough of the weed is consumed over a long period. Crofton weed; sticky eupatorium Local Common Names: Taxonomic Tree Top of page Domain: Advances in the control of Eupatorium odoratum. As an introduced species, it is likely to be more widespread than indicated in this distribution list, especially in China, South and South-East Asia.

Silene lanceolata no common name. Entomological Knowledge, 38 3: US Fish and Wildlife Service, a. Not listed as a noxious weed by any state or government authorities in Kenya, Tanzania or Uganda. Schiedea hookeri no common name. Click on images to enlarge. Techniques for xylitol production from the stem of Eupatorium adenophorum Spreng by microorganism fermentation.


It produces numerous upright i. The oil has been considered for other uses, and zdenophora for xylitol production Yang and Li, Widely naturalised in eastern Australia and adenophorra present in some parts of southern Australia. A complete guide to declared weeds and invaders in South Africa. Click on images to enlarge infestation Photo: It is native to Mexico, but it is known in many other parts of the world as an introduced species and often a noxious weed.

It is most common in northern New South Wales, but is also relatively common along the central coast and in the northern parts of the south coast. Ageratina is derived from Greek meaning ‘un-aging’, in reference to the flowers keeping their color for a long time.

Sheldon Navie seedling Photo: No method of preventing horse losses is known other than denying access Land Protection,because A. US Fish and Wildlife Service, d.

Factsheet – Ageratina adenophora (Crofton Weed)

The seeds can also attach themselves, often in mud, to clothes of agricultural workers as well as tourists, hikers, aberatina. Botanical Research Institute Witt, A.

By using this site, you agree to the Terms of Use and Privacy Policy. However, whether due to the effects of quarantine, declaration as a weed or to other reasons, Australia’s Virtual Herbarium Royal Botanic Gardens Sydney, still only records it as present in New South Wales and Queensland, rare in South Australia and absent elsewhere in the country. They are followed by a small brown seed with a white adenophira ‘parachute’.

The small flower-heads i. It spread slowly over the next 10 years but became more aggressive between and One study found that seedlings of this species that had begun to establish were soon out-competed by crofton weed Ageratina adenophoraand that there were dense populations of this and other weed species in some of the sites were this species is found.

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National Germplasm Resources Laboratory. A review of adenophofa and current investigations of natural enemies. Sheldon Navie infestation Photo: None of these organisms offer any real degree of control individually, but the combined effect has reduced plant vigour Dodd, ; Haseler, agrratina Cullen and Delfosse, Pteris lidgatei no common name: Views Read Edit View history.

It it is also commonly found in urban bushland, open woodlands, forest margins, rainforest clearings and plantation crops e.

When using any herbicide always read the label first and follow all instructions and safety requirements.

Alien weeds and invasive plants. Australian Centre for International Agricultural Research, pp. More information about modern web browsers can be found at http: It is also poisonous to livestock, being particularly toxic to horses.

The small white flower-heads capitula consist of several tiny flowers tubular florets surrounded by two rows of greenish bracts an involucre mm long. Ageratina adenophora is a perennial herbaceous shrub that may grow to 1 or 2 metres 3.

Royal Botanic Gardens Sydney, Recovery Plan for Oahu Plants. These species can be distinguished by the following differences:. Ageratina adenophora has been moved around the world as an ornamental but it is now more known for its negative impacts. The autecology of Eupatorium adenophorum Spreng. Agave sisalana Perrine, Asparagaceae: Federal Noxious Weed Disseminules of the U.