Nature conservation

Threatened species

Spike-Rush - Riverina: Distribution and vegetation associations

Scientific name: Eleocharis obicis
Conservation status in NSW: Vulnerable
Commonwealth status: Vulnerable
Last updated: 18 Oct 2022

Distribution of the species within this region

The Spike-Rush is known or predicted to occur in the following sub-regions of the Riverina Interim Biogeographic Regionalisation of Australia Region.

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IBRA sub-region  Known or predictedGeographic restrictions within region
Lachlan Known None
Murrumbidgee Known

Vegetation formations, classes and types

In this region the Spike-Rush - Riverina is known to be associated with the following vegetation formations and classes. Click on a name to get background information about it.

  • Arid shrublands (Chenopod sub-formation)
    • Gibber Chenopod Shrublands
      • 136 Prickly Wattle open shrubland of drainage lines on stony rises and plains of the arid climate zone
    • Riverine Chenopod Shrublands
      • 216 Black Roly Poly low open shrubland of the Riverina Bioregion and Murray Darling Depression Bioregion
      • 195 Bladder Saltbush chenopod shrubland on alluvial plains mainly in the Darling Riverine Plain Bioregion
      • 157 Bladder Saltbush shrubland on alluvial plains in the semi-arid (warm) zone including Riverina Bioregion
      • 164 Cotton Bush open shrubland of the semi-arid (warm) zone
      • 236 Derived Giant Redburr low shrubland on alluvial plains of the semi-arid (warm) climate zone
      • 163 Dillon Bush (Nitre Bush) shrubland of the semi-arid and arid zones
      • 158 Old Man Saltbush - mixed chenopod shrubland of the semi-arid hot (persistently dry) and arid climate zones (north-western NSW)
      • 159 Old Man Saltbush shrubland mainly of the semi-arid (warm) climate zone (south western NSW)
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  • Forested wetlands
    • Inland Riverine Forests
      • 10 River Red Gum - Black Box woodland wetland of the semi-arid (warm) climatic zone (mainly Riverina Bioregion and Murray Darling Depression Bioregion)
      • 11 River Red Gum - Lignum very tall open forest or woodland wetland on floodplains of semi-arid (warm) climate zone (mainly Riverina Bioregion and Murray Darling Depression Bioregion)
      • 36 River Red Gum tall to very tall open forest / woodland wetland on rivers on floodplains mainly in the Darling Riverine Plains Bioregion
  • Freshwater wetlands
    • Inland Floodplain Shrublands
      • 24 Canegrass swamp tall grassland wetland of drainage depressions, lakes and pans of the inland plains
      • 17 Lignum shrubland wetland of the semi-arid (warm) plains (mainly Riverina Bioregion and Murray Darling Depression Bioregion)
      • 160 Nitre Goosefoot shrubland wetland on clays of the inland floodplains
      • 240 River Coobah tall shrubland wetland of the floodplains in the Riverina Bioregion and Murray Darling Depression Bioregion
    • Inland Floodplain Swamps
      • 181 Common Reed - Bushy Groundsel aquatic tall reedland grassland wetland of inland river systems
      • 182 Cumbungi rushland wetland of shallow semi-permanent water bodies and inland watercourses
      • 226 Cyperus - Typha sedgeland wetland of the arid zone climate zone
      • 238 Permanent and semi-permanent freshwater lakes wetland of the inland slopes and plains
      • 53 Shallow freshwater wetland sedgeland in depressions on floodplains on inland alluivial plains and floodplains
      • 12 Shallow marsh wetland of regularly flooded depressions on floodplains mainly in the semi-arid (warm) climatic zone (mainly Riverina Bioregion and Murray Darling Depression Bioregion)
      • 47 Swamp grassland wetland of the Riverine Plain
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  • Grassy woodlands
    • Floodplain Transition Woodlands
      • 251 Mixed Eucalypt woodlands of floodplains in the southern-eastern Cobar Peneplain Bioregion
      • 56 Poplar Box - Belah woodland on clay-loam soils on alluvial plains of north-central NSW
      • 244 Poplar Box grassy woodland on alluvial clay-loam soils mainly in the temperate (hot summer) climate zone of central NSW (wheatbelt).
      • 237 Riverine Western Grey Box grassy woodland of the semi-arid (warm) climate zone
      • 76 Western Grey Box tall grassy woodland on alluvial loam and clay soils in the NSW South Western Slopes and Riverina Bioregions
      • 74 Yellow Box - River Red Gum tall grassy riverine woodland of NSW South Western Slopes Bioregion and Riverina Bioregion
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