Sphaeropteris robusta, synonym Cyathea robusta,[1][2] is a fern in the family Cyatheaceae. The specific epithet alludes to its robust habit.[3]
The plant is a treefern with a trunk growing up to 5 m in height; the stipe bases are variably persistent, with the lower trunk often clear with roundish scars.[3]
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.[3] It is widespread in cultivation outside its natural range.
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{{cite web}}: CS1 maint: postscript (link) Sphaeropteris robusta, synonym Cyathea robusta, is a fern in the family Cyatheaceae. The specific epithet alludes to its robust habit.
