[PCA] NEWS: Extinction threat to one fifth of world's plants

[Olivia Kwong]

http://news.yahoo.com/s/afp/20100929/wl_uk_afp/environmentscienceplantsmammalsconservation

Extinction threat to one fifth of world's plants
AFP -- 2 hrs 24 mins ago

LONDON (AFP) -- More than a fifth of the world's plant species  faces the 
threat of extinction, a trend with potentially catastrophic effects for 
life on Earth, according to research released on Wednesday.

See the link above for the full article text.