Bolboschoenus fluviatilis

Marsh Club-rush at Umbagong District Park

Bolboschoenus fluviatilis at Umbagong District Park - 10 May 2024
Bolboschoenus fluviatilis at Umbagong District Park - 10 May 2024
Bolboschoenus fluviatilis at Umbagong District Park - 10 May 2024
Bolboschoenus fluviatilis at Umbagong District Park - 10 May 2024
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Identification history

Bolboschoenus fluviatilis 12 May 2024 JaneR
Carex appressa 11 May 2024 CarbonAI
Bolboschoenus fluviatilis 11 May 2024 pinnaCLE

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User's notes

Culms triquetrous (my first image shows six that I'd cut and bunched), a little over 5mm diameter, largest were more than 1 m long. Plants in a narrow band about 80m long in a side channel of Ginninderra Creek. No evidence for any flowering this summer, but the creek has run very high a few times, most recently in the first week of April, and flooding the side channel with swift flows. Sedge mass is under Casuarinas (and one huge Salix babylonica) and growing near Carex appressa tussocks and Phragmites beds.

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Location information

Sighting information

  • 101 - 1,000 Abundance
  • 10 May 2024 03:00 PM Recorded on
  • pinnaCLE Recorded by

Additional information

  • 1 metre to 5 metres Plant height

Species information

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  • Confirmed by an expert moderator
  • Nearby sighting(s) of same species
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