570B-1-Calochlaena-dubia-hab-Marilyn-Gray.jpg

Calochlaena dubia

Common Ground-fern, False Bracken

Single upright fronds 2-8cm apart spreading along branched underground stems to form dense colonies. New growth bright green, covered in clear to pale hairs.

Additional information

  • SynonymCulcita dubia
  • FamilyDicksoniaceae (syn. Culcitaceae)
  • StoreyLower storey
  • Size0.5-2 m x spreading
  • Plant groupingFerns & Fern Allies
  • LeavesCoarse broadly triangular yellow-green fronds, divided 3-4 times, to 1.6 m long, tips drooping. Segments asymmetrical, stalked, separate, deeply lobed, finely hairy especially on midribs below. Midribs with wide, shallow groove.
  • FlowersNon-flowering. Round spore cases scattered near margins at ends of veins, on either side of midrib. Partially covered by recurved margin flap.
  • Bird attractingNo
  • Butterfly attractingNo
  • Frog habitatNo
  • Growing conditionsMoist well drained soil on sheltered slopes in open areas of forests. Colonises disturbed sites. Semi shade to dappled shade.
  • Garden usePlant as understorey where some light is available. Needs to have plenty of room as it will form dense colonies once established. Too vigorous for ferneries.
  • Commercially availableSpecialist fern nursery
  • Conservation statusWidespread within the Shire
  • Related speciesOften confused with Pteridium esculentum (Austral Bracken) which has red-brown new tips as a result of coloured hairs, symmetric segments with finely scalloped segments and narrow bands of spore cases along margins.
Photographer/s: Marilyn Bull ©

Plant Communities

  • 05 Mountain Ash Forest - Central Highlands (EVC 30)
  • 17 Messmate Herb-rich Foothill Forest (EVC 23)
  • 30 Swamp Gum Swampy Riparian Woodland (EVC 83)
  • 08 Mountain Grey Gum Damp Forest – Dandenongs (EVC 29)
  • 12 Manna Gum Riparian Forest - Dandenongs (EVC 18)
  • 13 Manna Gum Riparian Forest - Upper Yarra (EVC 18)
  • 11 Manna Gum Riparian Forest - Central Highlands (EVC 18)
  • 18 Messmate Shrubby Foothill Forest - Dandenongs (EVC 45)
  • 20 Messmate Lowland Forest (EVC 16)
  • 07 Mountain Grey Gum Damp Forest - Central Highlands (EVC 29)
  • 06 Mountain Ash Wet Forest - Dandenongs (EVC 30)
  • 33 Mountain Swamp Gum Swampy Riparian Woodland (EVC 83)
  • 16 Messmate Shrubby Foothill Forest Central Highlands/UpperYarra (EVC 45)
  • Page 1 of 1