Clathrus Archeri or Devil's Finger Fungus

Clathrus archeri is commonly known as octopus stinkhorn, or devil’s fingers, is a fungus indigenous to Australia and New Zealand, and an introduced species in Europe, North America and Asia. In Britain this amazing fungus is usually known as Devil’s Fingers, and in parts of the USA it is referred to as the Octopus Fungus. Source: CP