102B-1-Cyathea-australis-hab-SYR.jpg

Cyathea australis

Rough Tree-fern

Upright tree fern, becoming buttressed at the base. Fibrous trunk 15-40cm diameter.

Additional information

  • FamilyCyatheaceae
  • StoreyMiddle storey
  • Size5-15 m high
  • Plant groupingFerns & Fern Allies
  • LeavesArching fronds 2-4 m x 1 m. Fronds divided 3 times, smallest segments (pinnae) scalloped. Brown base to 80 cm long, covered in small sharp projections. Persistent stalk firm.
  • FlowersNon-flowering. Round clusters of spores with small scales at the base.
  • Bird attractingNo
  • Butterfly attractingNo
  • Frog habitatNo
  • Growing conditionsMoist soils in fern gullies and along moist riverlets on shaded slopes. Partial, dappled and full shade.
  • Garden useFerneries, shady moist aspects. Specimen plants. Will take slightly drier soils than the soft tree fern but will require summer watering in these positions.
  • Commercially availableGenerally
  • Conservation statusWidespread within the Shire
  • Related speciesCyathea x marcescens. See Cyathea cunninghamii. Dicksonia antarctica has soft, persistently hairy frond bases.
Photographer/s: 1 Yarra Ranges Council photo library; 2, 3 Marilyn Bull ©

Plant Communities

  • 04 Alpine Ash Montane Wet Forest (EVC 39)
  • 06 Mountain Ash Wet Forest - Dandenongs (EVC 30)
  • 05 Mountain Ash Forest - Central Highlands (EVC 30)
  • 16 Messmate Shrubby Foothill Forest Central Highlands/UpperYarra (EVC 45)
  • 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)
  • 09 Myrtle Beech Cool Temperate rainforest (EVC31)
  • 46 Silvertop Ash Heathy Dry Forest (EVC 20)
  • 13 Manna Gum Riparian Forest - Upper Yarra (EVC 18)
  • 11 Manna Gum Riparian Forest - Central Highlands (EVC 18)
  • 22 Silver-leaf Stringybark Heathy Woodland (EVC 48)
  • 34 Manna Gum Floodplain Riparian Woodland (EVC 56)
  • 18 Messmate Shrubby Foothill Forest - Dandenongs (EVC 45)
  • 15 Scented Paperbark Riparian Thicket - Middle & Upper Yarra (EVC 59)
  • 07 Mountain Grey Gum Damp Forest - Central Highlands (EVC 29)
  • 10 Southern Sassafras Cool Temperate rainforest (EVC 31)
  • 41 Swamp Paperbark Riparian Thicket (EVC 59)
  • 20 Messmate Lowland Forest (EVC 16)
  • 33 Mountain Swamp Gum Swampy Riparian Woodland (EVC 83)
  • 03 Narrow-leaf Peppermint Montane damp Forest (EVC 38)
  • 36 Scented Paperbark Riparian Thicket – Central Highlands (EVC 59)
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