Asplenium polyodon G. Forst.

Asplenium polyodon G. Forst.. Asplenium polyodon, commonly known as sickle spleenwort or petako, is a species of fern in the family Aspleniaceae. The distribution of A. polyodon includes parts of the countries of Australia and New Zealand. A specific locale of occurrence is in forested areas of Westland, New Zealand, where associate understory species include crown fern.