Pteridium esculentum

Pteridium esculentum, commonly known as bracken fern, Austral bracken or simply bracken, is a species of the bracken genus native to a number of countries in the Southern Hemisphere. Esculentum means edible. First described as Pteris esculenta by German botanist Georg Forster in 1786, it gained its current binomial name in 1908. The rhizome of the plant was a staple in traditional Māori diets in New Zealand and was eaten by Indigenous Australians, it is now known to contain the carcinogen ptaquiloside.