1) Fern 2) Rasp fern 
Doodia is a genus of ferns in the Blechnaceae family, in the eupolypods II clade of the order Polypodiales, in the class Polypodiopsida. It is named after Samuel Doody (1656-1706), an English botanist. Distribution of the genus includes parts of Australia and New Zealand. Phylogenic studies have found Doodia to be embedded within the paraphyletic ...
[n] - any fern of the genus Doodia having pinnate fronds with sharply dentate pinnae
rasp fern noun any fern of the genus Doodia having pinnate fronds with sharply dentate pinnae