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Euphorbia esula (leafy spurge)
Leafy spurge, an accidentally introduced native species of Eurasia, is a perennial weed that is now an established invader of numerous North...
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Equisetum arvense (field horsetail)
Although E. arvense is found with many crops (Håkansson, 1995a,b,c) it is not competitive with a vigorous crop and therefore has little impact on...
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Erionota thrax (palm redeye)
The pest status of E. thrax was described early in the 20th century (Dammerman, 1919, 1929). According to Corbet and Pendlebury (1992) the very...
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Acacia confusa
A. confusa is invasive in Hawaii (Luken and Thieret, 1996). Bingelli (1999) classed this species as moderately...
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Acacia caven (Roman cassie)
The pan-tropical genus Acacia (Fabaceae, Mimosoideae) includes over 1200 species, and the systematic treatment and circumscription of the genus has...
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Acacia cyclops (coastal wattle)
A. cyclops is an extremely weedy species, although slow growing. Once established over large areas, it is difficult to remove or replace. Cronk and...
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Acacia decurrens (green wattle)
Under favourable conditions, A. decurrens has become a serious weed problem (e.g. in Australia, Hawaii, New Zealand and South Africa) as it spreads...
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Eucalyptus cladocalyx (sugar gum)
E. cladocalyx is a rapidly growing tree adapted to environments with regular bush fires, has the ability to mass recruit seedlings through wind...
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Acacia karroo (sweet thorn)
A. karroo is able to produce seeds prolifically, from an early age, is resistant to fire and forms dense thorny thickets that out compete native...
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Ageratina adenophora (Croftonweed)
A. adenophora has proved to be a very aggressive invasive species in some parts of the world, notably Australia, where it forced some farmers to...
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