What is the world’s largest organism?

The word “organism” is defined as a living thing that either has, or can develop, the ability to function independently. An organism can be as small as a single celled amoeba, or it can be as large, or larger than a human being. But no matter how big men grow, or trees grow or fish or animals, past or present grow, the worlds record goes to fungus!

According to the October 4, 2007 Scientific American magazine,
although it was first discovered in 1998 in the Blue Mountains in
Oregon, it wasn’t until 2003 that Catherine Parks of the USFS in Oregon
and her colleagues published their discovery of the current behemoth
2,384-acre fungus, called Armillaria ostoyae. Based on it’s current
growth rate,it is estimated to be between 2,400 and 8,650 years old.
According to the article, it could also be the oldest living organism also.

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