Cultivars
'Crispum'
This evergreen sterile fern grows to 600 mm (2 ft) tall with mid-green fronds that have strongly wavy (undulating) margins. It grow in a semi-shaded to shaded position in well-drained organic rich moist soils that are tending alkaline and are suitable for USDA zones 6-9.

Cristatum Group
This group of ferns grow to 600 mm (2 ft) tall by 800 mm (31½ in) wide and produced dark green fertile fronds with undulating margins. They grow in a semi-shaded to shaded position in well-drained organic rich moist soils that are tending alkaline and are suitable for USDA zones 6-9.

'Laceratum Kaye'
This dwarf fern grows to 200 mm (7¾ in) tall and it produces dark green lettuce-like fronds with jagged margins that form a minute crests. It prefers a semi-shaded to shaded moist position and a growth in well-drained organic rich limey soil and is suitable for USDA zones 6-9.

Marginatum Group
Cut-leaved Hart's-tongue Fern
This group of ferns grow to 300 mm (1 ft) tall by 450 mm (18 in) wide and produced dark green fertile fronds with undulating margins that are serrated. They grow in a semi-shaded to shaded position in well-drained organic rich moist soils that are tending alkaline and tolerate dry conditions once established. They are suitable for USDA zones 6-9.

Ramomarginatum Group
This group of ferns grow to 300 mm (1 ft) tall by 500 mm (20 in) wide and produced dark green branched fertile fronds that split from the base and have a stag's head-like appearance with lobed margins. They grow in a semi-shaded to shaded position in well-drained organic rich moist soils that are tending alkaline and are suitable for USDA zones 6-9.

'Undulatum'
This dwarf fern grows to 300 mm (1 ft) tall by 500 mm (20 in) wide and produces dark green fertile fronds with wavy (undulating) margins.  It prefers a semi-shaded to shaded moist position and a growth in well-drained organic rich limey soil and is suitable for USDA zones 6-9.