Agaricus Augustus, known commonly as the prince, is a basidiomycete fungus of the genus Agaricus. The fruiting bodies of Agaricus Augustus are large and distinctive agarics. The flesh is thick, firm and white and may discolor yellow when bruised. The stem is clavate up to 20 cm tall, and 4 cm thick.

Community content is available under CC-BY-SA unless otherwise noted.