The largest living organism on Earth is a fungus called Armillaria ostoyae, commonly known as the honey fungus. Located in Oregon, USA, this fungus covers an area of about 9.6 square kilometers (3.7 square miles) underground. It has been growing for thousands of years, making it not only the largest but also one of the oldest living organisms.
Though mostly hidden beneath the soil, the honey fungus affects the forest ecosystem by decomposing wood and sometimes causing disease in trees. Its vast underground network demonstrates how life can exist and spread in surprising ways, reminding us that the biggest living things aren’t always visible on the surface. Shutdown123