Question

Which is the smallest fungi known and which is the largest known?

Answer 1

The smallest fungi is algae and the largest fungi is a mushroom

Answer 2

Introducing the biggest mushroom in the world,armillaria ostoyae or as it's been fondly nicknamed the Humongous Fungus. Covering Malheur National Forest, Oregon, it's our largest organism, and from the way the fungus has been growing, it may also be our oldest organism.