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Rush / Sedge / Mat RushCyperus exaltatus

Tall Flat-sedge, Giant Sedge at Molonglo River Park

5 images

Cyperus exaltatus at Molonglo River Park - 1 May 2017
Cyperus exaltatus at Molonglo River Park - 1 May 2017
Cyperus exaltatus at Molonglo River Park - 1 May 2017
Cyperus exaltatus at Molonglo River Park - 1 May 2017
Cyperus exaltatus at Molonglo River Park - 1 May 2017

Identification history

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

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Significant sighting

michaelb noted:
21 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

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.
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.
michaelbMultiple Significant Sightings - michaelb has made multiple, recognised, significant sightings and is a true NatureMapr!Ultra Reporter - michaelb has reported over 500 sightings!Founding Explorer - michaelb joined us in 2014! wrote:
   21 Feb 2018
ID by David Albrecht at the Australian National Herbarium from supplied specimen.
gregbainesMultiple Significant Sightings - gregbaines has made multiple, recognised, significant sightings and is a true NatureMapr!Bulk Reporter - gregbaines has reported over 100 sightings!Founding Explorer - gregbaines joined us in 2014! 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 25 0 23

Pseudechis porphyriacus (Red-bellied Black Snake) at Molonglo River Park - 11 Mar 2020 by Marthijn Intellagama lesueurii (Eastern Water Dragon) at Molonglo River Park - 7 Mar 2020 by Marthijn Oenothera lindheimeri (Clockweed) at Molonglo River Park - 2 Mar 2020 by michaelb Intellagama lesueurii (Eastern Water Dragon) at Molonglo River Park - 25 Feb 2020 by JohnBundock Nososticta solida (Orange Threadtail) at Molonglo River Park - 10 Jan 2019 by JohnBundock Intellagama lesueurii (Eastern Water Dragon) at Molonglo River Park - 23 Oct 2018 by JohnBundock Gleditsia triacanthos (Honey Locust, Thorny Locust) at Molonglo River Park - 26 Jan 2018 by michaelb Limosella australis (Austral Mudwort) at Molonglo River Park - 26 Jan 2018 by michaelb Sagittaria platyphylla (Sagittaria) at Molonglo River Park - 26 Jan 2018 by michaelb Limosella australis (Austral Mudwort) at Molonglo River Park - 26 Jan 2018 by michaelb Lythrum salicaria (Purple Loosestrife) at Molonglo River Park - 26 Jan 2018 by michaelb Geranium retrorsum (Grassland Cranesbill) at Molonglo River Park - 26 Jan 2018 by michaelb Oenothera lindheimeri (Clockweed) at Molonglo River Park - 26 Jan 2018 by michaelb Limosella australis (Austral Mudwort) at Molonglo River Park - 26 Jan 2018 by michaelb Nososticta solida (Orange Threadtail) at Molonglo River Park - 26 Jan 2018 by michaelb Pavonia hastata (Spearleaf Swampmallow) at Molonglo River Park - 26 Jan 2018 by michaelb Cyperus exaltatus (Tall Flat-sedge, Giant Sedge) at Molonglo River Park - 26 Jan 2018 by michaelb Persicaria lapathifolia (Pale Knotweed) at Molonglo River Park - 26 Jan 2018 by michaelb Persicaria decipiens (Slender Knotweed) at Molonglo River Park - 26 Jan 2018 by michaelb Gleditsia triacanthos (Honey Locust, Thorny Locust) at Molonglo River Park - 26 Jan 2018 by michaelb Eriophora transmarina (Garden orb weaver) at Molonglo River Park - 30 Apr 2017 by michaelb Egretta novaehollandiae (White-faced Heron) at Molonglo River Park - 30 Apr 2017 by michaelb Gleditsia triacanthos (Honey Locust, Thorny Locust) at Molonglo River Park - 30 Apr 2017 by michaelb
Pseudechis porphyriacus (Red-bellied Black Snake) at Molonglo River Park - 11 Mar 2020 by Marthijn
Intellagama lesueurii (Eastern Water Dragon) at Molonglo River Park - 7 Mar 2020 by Marthijn
Oenothera lindheimeri (Clockweed) at Molonglo River Park - 2 Mar 2020 by michaelb
Intellagama lesueurii (Eastern Water Dragon) at Molonglo River Park - 25 Feb 2020 by JohnBundock
Nososticta solida (Orange Threadtail) at Molonglo River Park - 10 Jan 2019 by JohnBundock
Intellagama lesueurii (Eastern Water Dragon) at Molonglo River Park - 23 Oct 2018 by JohnBundock
Gleditsia triacanthos (Honey Locust, Thorny Locust) at Molonglo River Park - 26 Jan 2018 by michaelb
Limosella australis (Austral Mudwort) at Molonglo River Park - 26 Jan 2018 by michaelb
Sagittaria platyphylla (Sagittaria) at Molonglo River Park - 26 Jan 2018 by michaelb
Limosella australis (Austral Mudwort) at Molonglo River Park - 26 Jan 2018 by michaelb
Lythrum salicaria (Purple Loosestrife) at Molonglo River Park - 26 Jan 2018 by michaelb
Geranium retrorsum (Grassland Cranesbill) at Molonglo River Park - 26 Jan 2018 by michaelb
Oenothera lindheimeri (Clockweed) at Molonglo River Park - 26 Jan 2018 by michaelb
Limosella australis (Austral Mudwort) at Molonglo River Park - 26 Jan 2018 by michaelb
Nososticta solida (Orange Threadtail) at Molonglo River Park - 26 Jan 2018 by michaelb
Pavonia hastata (Spearleaf Swampmallow) at Molonglo River Park - 26 Jan 2018 by michaelb
Cyperus exaltatus (Tall Flat-sedge, Giant Sedge) at Molonglo River Park - 26 Jan 2018 by michaelb
Persicaria lapathifolia (Pale Knotweed) at Molonglo River Park - 26 Jan 2018 by michaelb
Persicaria decipiens (Slender Knotweed) at Molonglo River Park - 26 Jan 2018 by michaelb
Gleditsia triacanthos (Honey Locust, Thorny Locust) at Molonglo River Park - 26 Jan 2018 by michaelb
Eriophora transmarina (Garden orb weaver) at Molonglo River Park - 30 Apr 2017 by michaelb
Egretta novaehollandiae (White-faced Heron) at Molonglo River Park - 30 Apr 2017 by michaelb
Gleditsia triacanthos (Honey Locust, Thorny Locust) at Molonglo River Park - 30 Apr 2017 by michaelb

1 

Location information

Species information

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

Sighting information

  • 1 - 3 Abundance
  • 30cm to 1 metre Plant size
  • 30 Apr 2017 Recorded on
  • michaelb Recorded by

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