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OrchidCaladenia phaeoclavia

2 Brown-clubbed spider orchid at Namadgi National Park

4 images

Caladenia phaeoclavia at Namadgi National Park - 8 Oct 2010
Caladenia phaeoclavia at Namadgi National Park - 8 Oct 2010
Caladenia phaeoclavia at Namadgi National Park - 8 Oct 2010
Caladenia phaeoclavia at Namadgi National Park - 8 Oct 2010

Identification history

Orchid Caladenia phaeoclavia 1 Aug 2018 TonyWood
Orchid Caladenia phaeoclavia 31 Jul 2018 MatthewFrawley

Author's notes

Historical photo from 8 October 2010, guessing ID of Caladenia phaeoclavia.


TonyWood wrote:
   1 Aug 2018
Hi Matthew, both C. phaeoclavia and C. atrovespa are found on Mt Tennent, and they are not easy to tell apart. I think this is C. phaeoclavia, based on the thick clubs.
   24 Aug 2018
Yes, phaeoclavia. I'm wondering where the atrovespa on Mt Tennent might be Tony, and how confident you are they are atrovespa? Seems to be all the spiders in that region proved to be phaeoclavia when I did baiting with them. Might have to dig out my Honours and check.
TonyWood wrote:
   24 Aug 2018
Hi Tobias. I will have to go back and check my photos. They appeared on Mt Tennent in huge numbers following the 2003 fires, including some colour variants. I had assumed they were all C. atrovespa, whereas the ones that MAC showed me lower down (ie close to the road) I understood to be C. phaeoclavia
gregbaines wrote:
   29 Aug 2018
Tobias if you look at the distribution data for C. atrovespa there is a photo of a plant that I posted in 2014 that Tony identified as atrovespa from Mt Tennent. It was right beside the road and the co-ordinates should be accurate.
TonyWood wrote:
   29 Aug 2018
I am reasonably certain that both species occur on Mt Tennent. I was shown C. phaeoclavia by Mark Clements. As I said in my first post, they are very difficult to tell apart with confidence.

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Location information

Species information

  • Sensitive
  • Very Rare / Threatened
  • Non-Invasive

Sighting information

  • 4 - 15 Abundance
  • 8 Oct 2010 8:40 AM Recorded on
  • MatthewFrawley Recorded by
  • Website Reported via
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