Pellaea rotundifolia
English: Button fern.
Region: New Zealand.
Habitat: in scrub, forests; tolerating low temperatures but not freezing.
Use: popular garden and house plant.
Botany
Fern; compact; evergreen.
Leaves: up to 0 pairs of round, dark-green, leathery pinnae; up to 46 cm long; needs acidic and well-drained soil; intolerant of moist, humid conditions.