Juncus prismatocarpus

Branching Rush at Cotter River, ACT

Juncus prismatocarpus at Cotter River, ACT - 28 Feb 2019
Juncus prismatocarpus at Cotter River, ACT - 28 Feb 2019
Juncus prismatocarpus at Cotter River, ACT - 28 Feb 2019
Juncus prismatocarpus at Cotter River, ACT - 28 Feb 2019
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Identification history

Juncus prismatocarpus 15 Nov 2019 michaelb
Juncus prismatocarpus 15 Nov 2019 KenT
Juncus bufonius 4 Mar 2019 KenT

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4 comments

KenT wrote:
   16 Nov 2019
MichaelB, I finally got around to taking specimens of this to the herbarium where Dave Albrecht identified it as Juncus prismatocarpus. If I could figure out how to add an extra image to a confirmed sighting I can show a character that enables it to be distinguished from Juncus bufonius. Ken
michaelb wrote:
   16 Nov 2019
Thanks Ken
Another new species!
Extra image?
Click on the Edit icon and move the photo in as usual.
KenT wrote:
   16 Nov 2019
Thanks Michael extra image added. If you look at that image you will see faint partial cross walls in several of the leaves. Juncus bufonius doesn't have any cross walls and in several other species the cross walls go all the way across. This was something I missed in the field but the feature becomes more visible on dried specimens under the stereo microscope. I initially collected these because of the rust fungus that can also be seen in the final image still working on that one.
michaelb wrote:
   16 Nov 2019
Thanks Ken
I've added the extra photo to the sample images with a comment about the faint partial cross walls.

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Location information

Sighting information

  • 16 - 100 Abundance
  • 28 Feb 2019 09:10 AM Recorded on
  • KenT Recorded by

Additional information

  • True In flower
  • 10cm to 30cm Plant height

Species information

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