{{Short description|Species of fern}} {{Speciesbox | image = Cyathea robusta (Jardin des Plantes de Paris) 1.jpg | image_caption = Young plant in the Jardin des Plantes in Paris | taxon = Sphaeropteris robusta | authority = (C.Moore ex Watts) R.M Tryon<ref name=CFLW/> | synonyms = {{Species list |Alsophila robusta|C.Moore ex Watts |Cyathea robusta|(C.Moore ex Maiden) Holttum |Alsophila robusta var. norfolkiana|Laing }} | synonyms_ref = <ref name=CFLW/> }}

'''''Sphaeropteris robusta''''', synonym '''''Cyathea robusta''''',<ref name=CFLW/><ref name=POWO_17532570-1/> is a fern in the family Cyatheaceae. The specific epithet alludes to its robust habit.<ref name=abrs>{{cite web |url= http://www.anbg.gov.au/abrs/online-resources/flora/stddisplay.xsql?pnid=53606 |title= ''Cyathea robusta''|access-date=2014-01-29 |work=Flora of Australia Online |first= |last= |publisher= Australian Biological Resources Study (ABRS) |date= |postscript=. Data derived from ''Flora of Australia'' '''49''' (1994).}}</ref>

==Description== thumb|Trunk with stipes and young frond croziers The plant is a treefern with a trunk growing up to 5&nbsp;m in height; the stipe bases are variably persistent, with the lower trunk often clear with roundish scars.<ref name=abrs/>

==Distribution and habitat== The fern is endemic to Australia’s subtropical Lord Howe Island in the Tasman Sea, where it has a scattered distribution through the southern mountains of the island at low to medium elevations.<ref name=abrs/> It is widespread in cultivation outside its natural range.

==References== {{Reflist|refs= <ref name=CFLW>{{Citation |mode=cs1|last1=Hassler |first1=Michael |last2=Schmitt |first2=Bernd |date=June 2019 |contribution=Sphaeropteris robusta |title=Checklist of Ferns and Lycophytes of the World |volume=8 |issue=2 |url=https://worldplants.webarchiv.kit.edu/ferns/ |access-date=2019-08-23 |name-list-style=amp }}</ref>

<ref name=POWO_17532570-1>{{cite web |title=''Sphaeropteris robusta'' (Bojer ex Wall.) R.M.Tryon |work=Plants of the World Online |publisher=Royal Botanic Gardens, Kew|url=https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:17532570-1 |access-date=2019-08-23 }}</ref> }}

{{Taxonbar|from1=Q17187364|from2=Q3008068}}

robusta Category:Endemic flora of Lord Howe Island Category:Plants described in 1898 Category:Ferns of Australia

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