Nature conservation

Threatened species

Sand-hill Spider Orchid - NSW South Western Slopes: Distribution and vegetation associations

Scientific name: Caladenia arenaria
Conservation status in NSW: Endangered
Commonwealth status: Endangered
Last updated: 07 Jun 2022

Distribution of the species within this region

The Sand-hill Spider Orchid is known or predicted to occur in the following sub-regions of the NSW South Western Slopes Interim Biogeographic Regionalisation of Australia Region.

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IBRA sub-region  Known or predictedGeographic restrictions within region
Inland Slopes Known None
Lower Slopes Known West of Lockhart and north of Rand

Vegetation formations, classes and types

In this region the Sand-hill Spider Orchid - NSW South Western Slopes is known to be associated with the following vegetation formations and classes. Click on a name to get background information about it.

  • Grassy woodlands
    • Floodplain Transition Woodlands
      • 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
  • 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
      • 75 Yellow Box - White Cypress Pine grassy woodland on deep sandy-loam alluvial soils of the eastern Riverina Bioregion and western NSW South Western Slopes Bioregion