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Machaerina rubiginosa

Soft Twig-rush at Garran, ACT

Machaerina rubiginosa at Garran, ACT - 19 Mar 2017
Machaerina rubiginosa at Garran, ACT - 19 Mar 2017
Machaerina rubiginosa at Garran, ACT - 19 Mar 2017
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Identification history

Machaerina articulata 11 Jan 2023 Tapirlord
Machaerina rubiginosa 28 Apr 2017 MichaelMulvaney
Machaerina rubiginosa 25 Apr 2017 RussellB
Unidentified 19 Mar 2017 Mike

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User's notes

Stalks flttened, 1.5m tall, inflorescence 20cm. Leaves over 1m, thin and thickened.

4 comments

RussellB wrote:
   26 Apr 2017
The photo doesn't provide quite enough information to be sure on this ID. The culms of this species can be compressed, but are usually terete or somewhat compressed.
Mike wrote:
   29 Apr 2017
New image added showing cross section of leaf near base 8mm wide by 4 mm thick. Dried culms are similar.
   29 Apr 2017
Mike this and Jerrabomberra wetlands are the only place that any Baumea has been recorded in the ACT and this East O,Malley pond has two species - which makes me suspect that they were planted - what do you think?
Mike wrote:
   29 Apr 2017
The pond was constructed and filled in 2005. It would be good to get a planting list - several shrubs and trees are inappropriate. It is likely the larger rushes and sedges have spread from plantings.

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Location information

Sighting information

Species information

  • Machaerina rubiginosa Scientific name
  • Soft Twig-rush Common name
  • Not Sensitive
  • Rare or uncommon native
  • Non-invasive or negligible
  • 490.27m to 1261.51m Recorded at altitude
  • Machine learning
  • In flower
  • External link More information
  • Synonyms

    Baumea rubiginosa

Record quality

  • Images or audio
  • More than one media file
  • Verified by an expert moderator
  • Nearby sighting(s) of same species
  • GPS evidence of location
  • Description
  • Additional attributes
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