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Rush / SedgeCyperus exaltatus    

Tall Flat-sedge, Giant Sedge at Molonglo River Park

5 images

Cyperus exaltatus at Molonglo River Park - 30 Apr 2017
Cyperus exaltatus at Molonglo River Park - 30 Apr 2017
Cyperus exaltatus at Molonglo River Park - 30 Apr 2017
Cyperus exaltatus at Molonglo River Park - 30 Apr 2017
Cyperus exaltatus at Molonglo River Park - 30 Apr 2017

Identification history

Rush / Sedge Cyperus exaltatus 21 Feb 2018 michaelb
Rush / Sedge Cyperus exaltatus 21 Feb 2018 michaelb
Unidentified 3 May 2017 michaelb

Significant sighting

michaelb noted:
  20 Feb 2018

David Albrecht informed me that this is the first record of this plant for the ACT.

Author's notes

On the water's edge at Molonglo River below Coombs.

5 comments

RussellB wrote:
   22 May 2017
This is lmost certainly a Cyperus species, but the individual spikeltes look really small, so i don't recognise the species from the photos - might be worth collecting a specimen if you are going past soon.
michaelb wrote:
   22 May 2017
Thanks Russell.
I didn't recognise this one which has different seed-heads from those I know. It was hard to photograph because it was in the water and I couldn't get closer. With the recent rain it will be underwater now and may be damaged by the process. I will endeavour to get a specimen when I can, but it may not be until next growing season.
michaelb wrote:
   21 Feb 2018
ID by David Albrecht at the Australian National Herbarium from supplied specimen.
gregbaines wrote:
   21 Feb 2018
Local nurseries stock this plant and recommend it for dam bank stabilisation so I guess it is just a matter of time before it became naturalised.
   21 Mar 2018
This species has been planted throughout the ACT in wetlands/ponds. It has persisted in Macgregor bio-retention ponds for 8+ years now.

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Nearby Sightings

Page 1 of 1 pages - image sightings only 21 0 19

Nososticta solida (Orange Threadtail) at Molonglo River Park - 10 Jan 2019 Intellagama lesueurii (Eastern Water Dragon) at Molonglo River Park - 23 Oct 2018 Gleditsia triacanthos (Honey Locust, Thorny Locust) at Molonglo River Park - 26 Jan 2018 Limosella australis (Austral Mudwort) at Molonglo River Park - 26 Jan 2018 Alisma plantago-aquatica (Water plantain) at Molonglo River Park - 26 Jan 2018 Limosella australis (Austral Mudwort) at Molonglo River Park - 26 Jan 2018 Lythrum salicaria (Purple Loosestrife) at Molonglo River Park - 26 Jan 2018 Geranium retrorsum (Grassland Cranesbill) at Molonglo River Park - 26 Jan 2018 Oenothera lindheimeri (Clockweed) at Molonglo River Park - 26 Jan 2018 Limosella australis (Austral Mudwort) at Molonglo River Park - 26 Jan 2018 Nososticta solida (Orange Threadtail) at Molonglo River Park - 26 Jan 2018 Pavonia hastata (Spearleaf Swampmallow) at Molonglo River Park - 26 Jan 2018 Cyperus exaltatus (Tall Flat-sedge, Giant Sedge) at Molonglo River Park - 26 Jan 2018 Persicaria lapathifolia (Pale Knotweed) at Molonglo River Park - 26 Jan 2018 Persicaria decipiens (Slender Knotweed) at Molonglo River Park - 26 Jan 2018 Gleditsia triacanthos (Honey Locust, Thorny Locust) at Molonglo River Park - 26 Jan 2018 Eriophora transmarina (Garden orb weaver) at Molonglo River Park - 30 Apr 2017 Egretta novaehollandiae (White-faced Heron) at Molonglo River Park - 30 Apr 2017 Gleditsia triacanthos (Honey Locust, Thorny Locust) at Molonglo River Park - 30 Apr 2017
Nososticta solida (Orange Threadtail) at Molonglo River Park - 10 Jan 2019
Intellagama lesueurii (Eastern Water Dragon) at Molonglo River Park - 23 Oct 2018
Gleditsia triacanthos (Honey Locust, Thorny Locust) at Molonglo River Park - 26 Jan 2018
Limosella australis (Austral Mudwort) at Molonglo River Park - 26 Jan 2018
Alisma plantago-aquatica (Water plantain) at Molonglo River Park - 26 Jan 2018
Limosella australis (Austral Mudwort) at Molonglo River Park - 26 Jan 2018
Lythrum salicaria (Purple Loosestrife) at Molonglo River Park - 26 Jan 2018
Geranium retrorsum (Grassland Cranesbill) at Molonglo River Park - 26 Jan 2018
Oenothera lindheimeri (Clockweed) at Molonglo River Park - 26 Jan 2018
Limosella australis (Austral Mudwort) at Molonglo River Park - 26 Jan 2018
Nososticta solida (Orange Threadtail) at Molonglo River Park - 26 Jan 2018
Pavonia hastata (Spearleaf Swampmallow) at Molonglo River Park - 26 Jan 2018
Cyperus exaltatus (Tall Flat-sedge, Giant Sedge) at Molonglo River Park - 26 Jan 2018
Persicaria lapathifolia (Pale Knotweed) at Molonglo River Park - 26 Jan 2018
Persicaria decipiens (Slender Knotweed) at Molonglo River Park - 26 Jan 2018
Gleditsia triacanthos (Honey Locust, Thorny Locust) at Molonglo River Park - 26 Jan 2018
Eriophora transmarina (Garden orb weaver) at Molonglo River Park - 30 Apr 2017
Egretta novaehollandiae (White-faced Heron) at Molonglo River Park - 30 Apr 2017
Gleditsia triacanthos (Honey Locust, Thorny Locust) at Molonglo River Park - 30 Apr 2017

Page 1 

Location

Location information

Species information

  • Not Sensitive
  • Non-local Native
  • Minor Weed or Pest

Sighting information

  • 1 - 3 Abundance
  • 30 Apr 2017 6:18 PM Recorded on
  • michaelb Recorded by
  • Website Reported via
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