Slender Darling Pea - Cobar Peneplain: Distribution and vegetation associations

Distribution of the species within this region

IBRA sub-region	Known or predicted	Geographic restrictions within region
Canbelego Downs	Predicted	None
Lachlan Plains	Predicted	None

Vegetation formations, classes and types

• 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
  • North-west Plain Shrublands
    • 144 Leopardwood low woodland mainly on clayey soils in the semi-arid zone
    • 77 Yarran shrubland of the NSW central to northern slopes and plains

• 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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• Dry sclerophyll forests (shrub/grass sub-formation)
  • North-west Slopes Dry Sclerophyll Woodlands
    • 4150 Northwest White Box-White Pine Forest

• 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

• 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
    • 23 Yarran tall open shrubland of the sandplains and plains of the semi-arid (warm) and arid climate zones