Nature conservation

Threatened species

A spear-grass - Riverina: Distribution and vegetation associations

Scientific name: Austrostipa wakoolica
Conservation status in NSW: Endangered
Commonwealth status: Endangered
Last updated: 29 Jun 2022

Distribution of the species within this region

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

Click on column headers to sort
IBRA sub-region  Known or predictedGeographic restrictions within region
Murray Fans Known None
Murrumbidgee Known South of the Murrumbidgee River

Vegetation formations, classes and types

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

  • Grasslands
    • Semi-arid Floodplain Grasslands
      • 49 Partly derived Windmill Grass - copperburr alluvial plains shrubby grassland of the Darling Riverine Plains Bioregion and Brigalow Belt South Bioregion
    • Western Slopes Grasslands
      • 796 Derived grassland of the NSW South Western Slopes
      • 250 Derived tussock grassland of the central western plains and lower slopes of NSW
      • 633 Speargrass - Redleg Grass derived grassland on hills in the Jindera to Holbrook region, southern NSW South Western Slopes Bioregion
  • Grassy woodlands
    • Floodplain Transition Woodlands
      • 248 Mixed box eucalypt woodland on low sandy-loam rises on alluvial plains in central western NSW
      • 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
      • 82 Western Grey Box - Poplar Box - White Cypress Pine tall woodland on red loams mainly of the eastern Cobar Peneplain Bioregion
      • 80 Western Grey Box - White Cypress Pine tall woodland on loam soil on alluvial plains of NSW South Western Slopes Bioregion and Riverina Bioregion
      • 76 Western Grey Box tall grassy woodland on alluvial loam and clay soils in the NSW South Western Slopes and Riverina Bioregions
      • 70 White Cypress Pine woodland on sandy loams in central NSW wheatbelt
      • 74 Yellow Box - River Red Gum tall grassy riverine woodland of NSW South Western Slopes Bioregion and Riverina Bioregion
      • Show 7 more vegetation type(s)
      • Hide Vegetation Types
    • Western Slopes Grassy Woodlands
      • 201 Fuzzy Box Woodland on alluvial brown loam soils mainly in the NSW South Western Slopes Bioregion
  • Semi-arid woodlands (shrubby sub-formation)
    • Riverine Sandhill Woodlands
      • 28 White Cypress Pine open woodland of sand plains, prior streams and dunes mainly of the semi-arid (warm) climate zone
    • Sand Plain Mallee Woodlands
      • 355 Bull Mallee - White Mallee tall mallee woodland on red sandy loam soils in the central western slopes of NSW
      • 193 Red Mallee - White Mallee extremely tall tree mallee on silty-loam-clay soils of central south-western NSW
    • Western Peneplain Woodlands
      • 103 Poplar Box - Gum Coolabah - White Cypress Pine shrubby woodland mainly in the Cobar Peneplain Bioregion
      • 98 Poplar Box - White Cypress Pine - Wilga - Ironwood shrubby woodland on red sandy-loam soils in the Darling Riverine Plains Bioregion and Brigalow Belt South Bioregion
      • 105 Poplar Box grassy woodland on flats mainly in the Cobar Peneplain Bioregion and Murray Darling Depression Bioregion