Plants
Ferns and Clubmosses
Sighting 4249086

Cyathea cooperi

Straw Treefern at Wattamolla, NSW

Cyathea cooperi at Wattamolla, NSW - 23 Jan 2020
Cyathea cooperi at Wattamolla, NSW - 23 Jan 2020
Cyathea cooperi at Wattamolla, NSW - 23 Jan 2020
Cyathea cooperi at Wattamolla, NSW - 23 Jan 2020
Cyathea cooperi at Wattamolla, NSW - 23 Jan 2020
Cyathea cooperi at Wattamolla, NSW - 23 Jan 2020
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Identification history

Unidentified 29 Jan 2020 WattaWanderer

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User's notes

Maybe a Cyathea cooperi? Please advise!

6 comments

plants wrote:
   30 Jan 2020
The oval scars suggest this species. These are very old plants, the tallest I have seen in the region.
WattaWanderer wrote:
   30 Jan 2020
Thanks for the advice! The oval scars looked similar but not quite identical to image in Kevin Mills’ Rainforests of the Illawarra District. How tall do they typically get? I could return to try to measure.
plants wrote:
   30 Jan 2020
Height up to around 10 m or so.
JackieMiles wrote:
   1 Feb 2020
I toyed with the idea of Cyathea leichhardtiana because the trunk is so slender, but my tree ferns book does not mention oval leaf base scars for that species, so I think it has to be cooperi.
WattaWanderer wrote:
   1 Feb 2020
Thanks very much Jackie - is there anything that I should try to photograph more clearly next time on the ferns in order to more easily ID?
plants wrote:
   1 Feb 2020
Photos of fronds is the most useful, both upper side and with fertile fronds the lower side of the frond to show spore bearing areas.

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