Nature conservation

Threatened species

Slender Darling Pea - Mulga Lands: Distribution and vegetation associations

Scientific name: Swainsona murrayana
Conservation status in NSW: Vulnerable
Commonwealth status: Vulnerable
Last updated: 18 Oct 2022

Distribution of the species within this region

The Slender Darling Pea 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
Cuttaburra-Paroo Known None
Kerribree Basin Predicted None
Nebine Plains Predicted None
Paroo Overflow Predicted None
Paroo-Darling Sands Predicted None
Warrego Plains Predicted None
Warrego Sands Predicted None
West Warrego Known None
White Cliffs Plateau Known None

Vegetation formations, classes and types

In this region the Slender Darling Pea - 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 (Chenopod sub-formation)
    • Aeolian Chenopod Shrublands
      • 222 Low Bluebush - Bladder Saltbush open shrubland of the arid zone
    • Gibber Chenopod Shrublands
      • 156 Bladder Saltbush shrubland on stony plains and downs of the arid zone
      • 155 Bluebush shrubland on stony rises and downs in the arid and semi-arid zones
      • 224 Cotton Bush - copperburr open shrubland 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
      • 212 Chenopod low open shrubland - ephemeral partly derived forbland saline wetland on occasionally flooded pale clay scalds in the NSW North Western Plains
      • 377 Copperburr low open shrubland on loam - clay flats and playas, western Brigalow Belt South Bioregion and northern Darling Riverine Plains Bioregion
      • 164 Cotton Bush open shrubland of the semi-arid (warm) zone
      • 168 Derived Copperburr shrubland of the NSW northern inland alluvial floodplains
      • 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)
      • 211 Slender Saltbush - samphire - copperburr low open shrubland wetland on irreguarly innundated floodplains mainly in the Darling Riverine Plains Bioregion and Brigalow Belt South Bioregion
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  • Freshwater wetlands
    • Inland Floodplain Shrublands
      • 375 Budda Pea - Channel Millet ephemeral reedland wetland on floodplains in north-western NSW
      • 247 Lignum shrubland wetland on regularly flooded alluvial depressions in the Brigalow Belt South Bioregion and Darling Riverine Plains Bioregion
  • Grasslands
    • Riverine Plain Grasslands
      • 46 Curly Windmill Grass - speargrass - wallaby grass grassland on alluvial clay and loam on the Hay Plain, Riverina Bioregion
      • 165 Derived corkscrew grass grassland/forbland on sandplains and plains in the semi-arid (warm) climate zone
      • 44 Forb-rich Speargrass - Windmill Grass - White Top grassland of the Riverina Bioregion
      • 45 Plains Grass grassland on alluvial mainly clay soils in the Riverina Bioregion and NSW South Western Slopes Bioregion
    • Semi-arid Floodplain Grasslands
      • 43 Mitchell Grass grassland - chenopod low open shrubland on floodplains in the semi-arid (hot) and arid zones
      • 214 Native Millet - Cup Grass grassland of the Darling Riverine Plains Bioregion
      • 49 Partly derived Windmill Grass - copperburr alluvial plains shrubby grassland of the Darling Riverine Plains Bioregion and Brigalow Belt South Bioregion
      • 52 Queensland Bluegrass +/- Mitchell Grass grassland on cracking clay floodplains and alluvial plains mainly the northern-eastern Darling Riverine Plains Bioregion
      • 242 Rats Tail Couch sod grassland wetland of inland floodplains
    • Western Slopes Grasslands
      • 710 Bluegrass - Redleg Grass - Common Woodruff clay plain grassland of northern Brigalow Belt South Bioregion
      • 102 Liverpool Plains grassland mainly on basaltic black earth soils, Brigalow Belt South Bioregion
      • 1076 Plains Grass - Bluegrass grassland of the Nandewar and Brigalow Belt South Bioregion
      • 1179 Slender Bamboo Grass - Spiny Saltbush grassland of the Brigalow Belt South Bioregion
      • 1324 Windmill Grass - Bluegrass derived grassland of the Moree plains of the Brigalow Belt South Bioregion
  • Grassy woodlands
    • Floodplain Transition Woodlands
      • 628 Carbeen +/- Coolabah grassy woodland on floodplain clay loam soil on north-western NSW floodplains, mainly Darling Riverine Plain Bioregion
      • 248 Mixed box eucalypt woodland on low sandy-loam rises on alluvial plains in central western NSW
      • 56 Poplar Box - Belah woodland on clay-loam soils on alluvial plains of north-central NSW
      • 101 Poplar Box - Yellow Box - Western Grey Box grassy woodland on cracking clay soils mainly in the Liverpool Plains, Brigalow Belt South Bioregion
      • 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
      • 81 Western Grey Box - cypress pine shrub grass shrub tall woodland in the Brigalow Belt South Bioregion
      • 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
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    • Western Slopes Grassy Woodlands
      • 711 Bluegrass - Spear Grass - Redleg Grass derived grasslands of the Nandewar Bioregion
      • 202 Fuzzy Box woodland on colluvium and alluvial flats in the Brigalow Belt South Bioregion (including Pilliga) and Nandewar Bioregion
      • 847 Grey Box - Blakely's Red Gum - Yellow Box grassy open forest of the Nandewar Bioregion and New England Tableland Bioregion
      • 516 Grey Box grassy woodland or open forest of the Nandewar Bioregion and New England Tableland Bioregion
      • 511 Queensland Bluegrass - Redleg Grass - Rats Tail Grass - spear grass - panic grass derived grassland of the Nandewar Bioregion and Brigalow Belt South Bioregion
      • 444 Silver-leaved Ironbark grassy tall woodland on clay-loam soils on plains in the Brigalow Belt South Bioregion
      • 1383 White Box grassy woodland of the Nandewar Bioregion and Brigalow Belt South Bioregion
      • 433 White Box grassy woodland to open woodland on basalt flats and rises in the Liverpool Plains sub-region, BBS Bioregion
      • 1315 White Cypress Pine - Silver-leaved Ironbark grassy woodland of the Nandewar Bioregion
      • 1329 Yellow Box - Blakely's Red Gum grassy woodland of the Nandewar Bioregion
      • 421 Yellow Box - White Cypress Pine alluvial terrace flats grassy woodland in the Pilliga forests and surrounds, Brigalow Belt South Bioregion
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  • Semi-arid woodlands (grassy sub-formation)
    • Brigalow Clay Plain Woodlands
      • 35 Brigalow - Belah open forest / woodland on alluvial often gilgaied clay from Pilliga Scrub to Goondiwindi, Brigalow Belt South Bioregion
      • 629 Brigalow - Bladder Saltbush open woodland to tall open shrubland in the Come-By-Chance region, Darling Riverine Plains Bioregion and Brigalow Belt South Bioregion
    • Inland Floodplain Woodlands
      • 16 Black Box grassy open woodland wetland of rarely flooded depressions in south western NSW (mainly Riverina Bioregion and Murray Darling Depression Bioregion)
      • 15 Black Box open woodland wetland with chenopod understorey mainly on the outer floodplains in south-western NSW (mainly Riverina Bioregion and Murray Darling Depression Bioregion)
      • 454 River Red Gum grassy chenopod open tall woodland (wetland) on floodplain clay soil of the Darling Riverine Plains Bioregion and western Brigalow Belt South Bioregion
      • 83 Yellow Box woodland on sandy loam soils on alluvial plains mainly in the upper Darling Riverine Plain Bioregion
    • North-west Floodplain Woodlands
      • 55 Belah woodland on alluvial plains and low rises in the central NSW wheatbelt to Pilliga and Liverpool Plains regions.
      • 38 Black Box low woodland wetland lining ephemeral watercourses or fringing lakes and clay pans of semi-arid (hot) and arid zones
      • 37 Black Box woodland wetland on NSW central and northern floodplains including the Darling Riverine Plains Bioregion and Brigalow Belt South Bioregion.
      • 40 Coolabah open woodland wetland with chenopod/grassy ground cover on grey and brown clay floodplains
      • 87 Poplar Box - Coolabah floodplain woodland on light clay soil mainly in the Darling Riverine Plains Bioregion
    • Riverine Plain Woodlands
      • 27 Weeping Myall open woodland of the Darling Riverine Plains Bioregion and Brigalow Belt South Bioregion
      • 26 Weeping Myall open woodland of the Riverina Bioregion and NSW South Western Slopes Bioregion