On 11/03/2011 09:44, Dave Hill wrote:
This is an item well worth reading
http://www.bbc.co.uk/news/science-environment-11137903

Thanks. An interesting insight:

Not sure how many of those foreign introductions are responsible, but
there is a programme to save the endemic plants:
http://www.ascensionconservation.org.ac/projects.htm

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Jeff