| Polypodiopsida /
Blechnum ambiguum, Blechnum contiguum, Blechnum indicum, Blechnum chambersii
Blechnum gregsonii Wikipedia
Blechnum gregsonii is a rare type of fern, mostly seen in the Illawarra and Blue Mountains areas of eastern Australia, often near waterfalls and moist gullies. An identifiying feature is the coarsely toothed tip on the fronds.