Dead for 32,000 Years, an Arctic Plant Is Revived [Free registration may be required]
http://www.nytimes.com/2012/02/21/science/new-life-from-an-arctic-flower-that-died-32000-years-ago.html
Ancient plants back to life after 30,000 frozen years
http://www.bbc.co.uk/news/science-environment-17100574
Wild flower blooms again after 30,000 years on...