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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Sheldon Navie close-up of the relatively broad and almost triangular leaves Photo: Federal Noxious Weed Disseminules of the U. These flower-heads mm across are borne in large numbers and arranged in clusters at the tips of the branches in terminal corymbose inflorescences.

Ageratina adenophora – Wikipedia

While every care is taken to ensure the accuracy of this information, DEEDI does not invite reliance upon it, nor accept responsibility for any loss or damage caused by actions based on it. Sheldon Navie seedling Photo: Schiedea sarmentosa no common name.

A complete guide to declared weeds and invaders in South Adeno;hora. However, they are topped with a ring i.

The distribution of Eupatorium adenophorum Spreng. A preliminary study of the pamakani plant Eupatorium glandulosum H. The autecology of Eupatorium adenophorum Spreng.

A catalogue of problem plants in South Africa. One or more of the features that are needed to show you the maps functionality are not available in the web browser that you are adenophorra.

Scientific name

The most common vernacular name in Adenophors is Crofton weed, named after a councillor in Lismore Shire, New South Wales, Australia, in the s, when the species first became identified as an invasive weed. Sheldon Navie habit in flower Photo: It is known to be invasive in Kenya and is also present in Uganda. The principal differences are that A.


Australian Journal of Science, Risk of Introduction Top of page A. Risks of introduction are high, as seeds may be a contaminant in a variety of traded products included cereal, stockfeeds, forage seeds, soil, sand and gravel, and may also be imported in mud attached to vehicles, agricultural machinery, livestock or humans themselves.

When several references are cited, they may give conflicting information on the status.

Biological control has also been attempted in New Zealand and South Africa where both the gall fly and the fungus are established but, again with little impact on the weed Kluge, In Australia, it was introduced as an ornamental species ageratinaa the north coast of New South Wales around Trounce and Dyason, and soon colonized much of the newly cleared lands on both sides of the border between New South Wales and Queensland, where in it was recorded as naturalized on the Springbrook plateau above the Tweed Valley.

CaliforniaFrench Polynesia, Fiji and Hawaii. Botanical Research Institute Witt, A. It prefers wetter pastures e. In fact, this species afenophora the cause of an acute pulmonary disease in horses which is known as “Tallebudgera horse disease” in Queensland and “Numinbah horse sickness” in New South Wales.

Weed Research, 15 1: Blundell, ; Witt and Luke, Ageratina adenophora Asteraceae new species to the Italian alien flora and observations on its environmental threats. Ageratina adenophora reproduces by seeds which are easily dispersed by wind and float on water.


Journal of Plant Resources and Environment, 8 1: Habitat Top of page A. It spread so fast that in some areas dairy farmers and banana growers abandoned their holdings Auld,; Holm et al.

Advances in the control of Eupatorium odoratum.

Ageratina adenophora (Croftonweed)

It can tolerate some salinity and infertility. Moist south-facing slopes are preferred in Queensland, Australia Land Protection,though it does not appear to be restricted to such areas. It is typified by impaired ability to work or exercise and emphysema. Retrieved from ” https: Remya mauiensis Maui remya. A combination of fungal infestation of plants during wet periods and the impact of the stem galler has resulted in other plants growing in A.

The small flower-heads i. In other projects Wikimedia Commons Wikispecies. Biological control of weeds in India.

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A review of introductions and current investigations of natural enemies. Phyllostegia mollis no common name. Diversity and Distributions12, Ageratina adenophora is regarded as an environmental weed in many parts of the world. These species can be distinguished by the following differences:.

Sheldon Navie infestation Photo: They may also be spread in by animals and vehicles and can contaminate agricultural produce. Sow the pasture mixture at a high rate and spotspray seedlings as they appear Auld, ; Adenophpra and Cuthbertson, Ageratina adenophora is a perennial herbaceous shrub that may grow to 1 or 2 metres 3.