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    6. Salinity Indicator Plants
      1. Common Name
      2. Scientific Name
      3. Common Family Name
      4. Scientific Family Name
      5. Key to Families or Genera
      6. Salinity in the Loddon Murray Region
      7. Salinity in the Central and Northern Victorian Region
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      9. Salinity in the Wimmera Region
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Nodding Club-rush

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Nodding Club-rush photos
Scientific Name:Isolepis cernua (syn. Scirpus cernuus, incl. Isolepis platycarpasyn. Scirpus platycarpus)
Nodding Club-rush plant
Nodding Club-rush plant
Photo: A J Brown

Other Common Name:
Nodding Club-sedge

Status:
Native to all of Australia except the Northern Territory with related forms across the world.

Plant Description:

Small, tufted or clump-forming perennial with a rhizomatous root system. Stems are very fine and 2-20 cm high with leaves greatly reduced or occasionally to 4 cm long.

Spikelets 1-2, 2-6 mm long with a leafy bract below extending past the straw-coloured to orange-brown or dark-brown, spikelets. Fruit is a yellow-brown to black, triangular nut with rounded to angular edges, 0.5-1 mm long and 0.5-0.8 mm diameter.

Habitat:
Common across lowland Victoria except for the Mallee. Occasional in the alps. Grows in permanently wet sites, including brackish and sub-saline environments.

RegionSalinity ClassWaterlogging Class
Central and Northern, Wimmera, Western, GippslandS0, S1, S2, S3W2, W3

Comments:
There are two varieties of Nodding Club-rush; var. cernua and var. platycarpa (syn. Isolepis platycarpa, Scirpus platycarpus). Hybrids and intergrades probably occur between them. The nuts of var. cernua are generally larger than in var. platycarpa. Both varieties are commonly found growing with other small sedges, such as Hooker’s Club-rush (Isolepis hookeriana) and Common Bog-rush (Schoenus apogon).


Nodding Club-rush photos
Stems and spikelets of Nodding Club-rush
Stems and spikelets of Nodding Club-rush
Photo: A J Brown
Nodding Club-rush spikelet
Nodding Club-rush spikelet
Photo: A J Brown

Nodding Club-rush spikelet
Nodding Club-rush spikelet
Photo: A J Brown
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