Cultivars
'Cristata' syn. 'Undulata'
This fern grows to 1.2 m (4 ft) tall and wide with the tips of the pinnae segmented or crested otherwise it's similar to the species.

'Purpurascens'
This fern grows to 2 m (6 ft) by 1.2m (4 ft) wide with the new fronds having a reddish tips during spring.