Humongous Fungus
http://www.time.com/time/archive/preview/0,10987,975283,00.html

Time Magazine

This 1992 online news article reports a 37acre fungus that has been discovered at the Wisconsin-Michigan border. It is 1500 years old, weighs between 100 and 1000 tons, and is still spreading. The article discusses the use of DNA analysis to identify individual organisms. A subscription to Time Magazine is required to view the full-text article.

This resource is referenced here:

• Microbial Life:Resources for K-12 Teachers and Students:Living in the Microbial World: LIMW Readings

Subject: Biology, :Ecology:Metabolism, Biology:Microbiology
Resource Type: Scientific Resources:Overview/Reference Work
Grade Level: General Public, Informal, Middle (6-8), High School (9-12), Intermediate (3-5)
Topics: Biosphere:Ecology:Habitats, Biosphere:Microbiology, EcologyKeyword: Armillaria bulbosa