About Asplenium polyodon G.Forst.
Asplenium polyodon G.Forst., commonly called sickle spleenwort or petako, is a fern species that belongs to the family Aspleniaceae. This species is distributed across parts of Australia and New Zealand. One specific area where it grows is the forested regions of Westland, New Zealand. In this location, crown fern is one of its associated understory plant species.