Environmental Weeds in Australia
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Scan day: 09 February 2014 UTC
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Description: Brief introduction to some major environmental weeds in Australia, with photos.
Environmental Weeds in Australia Australian National Botanic Gardens Environmental Weeds in Australia Introduced plants are an acute and insufficiently appreciated ecological problem. On a national scale, populations of the most invasive species are expanding. Plant species not native to Australia now account for about 15% of our total flora. About half of them invade native vegetation and about one-quarter are regarded as serious environmental weeds or have the potential to be serious weeds. The largest proportion of environmental weeds are horticultural species that have escaped from cultivation. Almost all of Australia's native vegetation has been, or is likely to be, invaded by exotic species that could result in changes to the structure, species composition, fire frequency and abundance of native communities. Those species of greatest concern include Rubber Vine (
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| Page title: | Environmental Weeds in Australia |
| Keywords: | weeds; Australia; environment; Rubber Vine Cryptostegia grandiflora, Blue Thunbergia, Thunbergia grandiflora, Hymenachne amplexicaulis, Aleman Grass, Echinochloa polystachia, Para Grass, Brachiaria mutica, Giant Sensitive Plant, Mimosa pigra, Athel Pine, Tamarix aphylla |
| Description: | Brief introduction to some major environmental weeds in Australia, with photos. |
| IP-address: | 155.187.2.24 |