Nature conservation

Threatened species

Squash Bush - Mulga Lands: Distribution and vegetation associations

Scientific name: Osteocarpum scleropterum
Conservation status in NSW: Endangered
Commonwealth status: Not listed
Last updated: 01 Nov 2022

Distribution of the species within this region

The Squash Bush is known or predicted to occur in the following sub-regions of the Mulga Lands Interim Biogeographic Regionalisation of Australia Region.

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IBRA sub-region  Known or predictedGeographic restrictions within region
Nebine Plains Known None
Warrego Plains Predicted None
Warrego Sands Known None

Vegetation formations, classes and types

In this region the Squash Bush - Mulga Lands is known to be associated with the following vegetation formations and classes. Click on a name to get background information about it.

  • Arid shrublands (Acacia sub-formation)
    • Gibber Transition Shrublands
      • 197 Black Box - Gidgee - chenopod low open woodland wetland on alluvial clay soils in the Culgoa River region of the Darling Riverine Plains Bioregion and Mulga Lands Bioregion
      • 118 Gidgee chenopod woodland on red-brown clays in the semi-arid (hot) climate zone mainly in the Mulga Lands Bioregion.
  • Semi-arid woodlands (grassy sub-formation)
    • Brigalow Clay Plain Woodlands
      • 31 Brigalow - Gidgee open woodland on clay plains west of the Culgoa River, Mulga Lands Bioregion
      • 29 Brigalow open woodland on clay soils in the Nyngan-Bourke-Enngonia regions of the NSW north-western plains
    • North-west Floodplain Woodlands
      • 38 Black Box low woodland wetland lining ephemeral watercourses or fringing lakes and clay pans of semi-arid (hot) and arid zones
      • 40 Coolabah open woodland wetland with chenopod/grassy ground cover on grey and brown clay floodplains