Greenhood Orchid - Murray Darling Depression: Distribution and vegetation associations

Distribution of the species within this region

IBRA sub-region	Known or predicted	Geographic restrictions within region
South Olary Plain	Known	None

Vegetation formations, classes and types

• Dry sclerophyll forests (shrub/grass sub-formation)
  • North-west Slopes Dry Sclerophyll Woodlands
    • 413 Silver-leaved Ironbark - White Cypress Pine - box dry shrub grass woodland of the Pilliga Scrub - Warialda region, Brigalow Belt South Bioregion
    • 1308 White Box - White Cypress Pine shrubby open forest of the Nandewar Bioregion and Brigalow Belt South Bioregion
    • 429 White Cypress Pine - Poplar Box - Silver-leaved Ironbark viney shrub woodland of the Brigalow Belt South Bioregion
  • Pilliga Outwash Dry Sclerophyll Forests
    • 702 Blakely's Red Gum riparian woodland of the Pilliga Outwash, Brigalow Belt South Bioregion
    • 141 Broombush - wattle very tall shrubland of the Pilliga to Goonoo regions, Brigalow Belt South Bioregion
    • 411 Buloke - White Cypress Pine woodland on outwash plains in the Pilliga Scrub and Narrabri regions, Brigalow Belt South Bioregion
    • 148 Dirty Gum - Buloke - White Cypress Pine - ironbark shrubby woodland on deep sandy soils in the Liverpool Plains region of the Brigalow Belt South Bioregion
    • 88 Pilliga Box - White Cypress Pine - Buloke shrubby woodland in the Brigalow Belt South Bioregion
    • 397 Poplar Box - White Cypress Pine shrub grass tall woodland of the Pilliga - Warialda region, Brigalow Belt South Bioregion
    • 1090 Red Ironbark - Brown Bloodwood shrubby woodland of the Brigalow Belt South Bioregion
    • 1384 White Cypress Pine - Bulloak - ironbark woodland of the Pilliga area of the Brigalow Belt South Bioregion
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• Dry sclerophyll forests (shrubby sub-formation)
  • Western Slopes Dry Sclerophyll Forests
    • 423 Blue-leaved Ironbark - Black Cypress Pine - Rough-barked Apple woodland mainly in the east Pilliga forests, Brigalow Belt South Bioregion
    • 746 Brown Bloodwood - cypress - ironbark heathy woodland in the Pilliga region of the Brigalow Belt South Bioregion
    • 409 Dirty (Baradine) Gum - White Bloodwood - White Cypress Pine - Motherumbah shrubby woodland on sandy soils in the Pilliga Scrub and surrounding region, Brigalow Belt South Bioregion
    • 408 Dirty Gum (Baradine Gum) - Black Cypress Pine - White Bloodwood shrubby woodland on of the Pilliga forests and surrounding region
    • 179 Green Mallee mallee-forest / woodland on stony rises or hills in the Narrabri to Yetman region, Brigalow Belt South Bioregion
    • 379 Inland Scribbly Gum - White Bloodwood - Red Stringybark - Black Cypress Pine shrubby sandstone woodland mainly of the Warrumbungle NP - Pilliga region in the Brigalow Belt South Bioregion
    • 255 Mugga Ironbark - Buloke - Pillga Box - White Cypress Pine shrubby woodland on sandstone in the Dubbo region, south-western Brigalow Belt South Bioregion
    • 1381 Narrow-leaved Ironbark shrubby woodland of the Brigalow Belt South bioregion
    • 404 Red Ironbark - White Bloodwood +/- Burrows Wattle heathy woodland on sandy soil in the Pilliga forests
    • 440 Red Stringybark - Narrow-leaved Ironbark - Black Cypress Pine - hill red gum sandstone woodland of southern NSW Brigalow Belt South Bioregion
    • 401 Rough-barked Apple - Blakely's Red Gum - Black Cypress Pine woodland on sandy flats, mainly in the Pilliga Scrub region
    • 425 Spur-wing Wattle heath on sandstone substrates in the Goonoo - Pilliga forests, Brigalow Belt South Bioregion
    • 1278 Tumbledown Red Gum - Black Cypress Pine - Currawang woodland of ridges and rocky hills mainly of the Cobar Peneplain Bioregion
    • 407 White Bloodwood - ironbark - Black Cypress Pine shrubby sandstone hill woodland of the southern Pilliga forests
    • 406 White Bloodwood - Motherumbah - Red Ironbark shrubby sandstone hill woodland / open forest mainly in east Pilliga forests
    • 405 White Bloodwood - Red Ironbark - Black Cypress Pine shrubby sandstone woodland of the Pilliga Scrub and surrounding regions
    • 1307 White Box - White Cypress Pine - Silver-leaved Ironbark shrubby open forest of the Nandewar Bioregion
    • 396 White Cypress Pine - Narrow-leaved Ironbark - White Bloodwood - red gum shrub grass woodland of the Pilliga - Coonabarabran region, Brigalow Belt South Bioregion
    • 1313 White Cypress Pine - Narrow-leaved Ironbark shrub/grass open forest of the western Nandewar Bioregion
    • 414 White Mallee - Dwyer's Red Gum mallee heath on sands in the Goonoo - Pilliga region, Brigalow Belt South Bioregion
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• Forested wetlands
  • Inland Riverine Forests
    • 234 River Red Gum woodland wetland of rocky creeks in the ranges of the arid climate zone

• Grassy woodlands
  • Floodplain Transition Woodlands
    • 244 Poplar Box grassy woodland on alluvial clay-loam soils mainly in the temperate (hot summer) climate zone of central NSW (wheatbelt).
    • 70 White Cypress Pine woodland on sandy loams in central NSW wheatbelt
  • New England Grassy Woodlands
    • 1118 Rough-barked Apple riparian forb/grass open forest of the Nandewar Bioregion
  • Western Slopes Grassy Woodlands
    • 202 Fuzzy Box woodland on colluvium and alluvial flats in the Brigalow Belt South Bioregion (including Pilliga) and Nandewar Bioregion

• Miscellaneous ecosystems
  • Rocky cliffs, major rock outcrops etc
    • 99993 Rocky cliffs, major rock outcrops etc

• Semi-arid woodlands (grassy sub-formation)
  • Inland Floodplain Woodlands
    • 208 River Red Gum low woodland of rocky gorges and creeks in the Cobar Peneplain

• Semi-arid woodlands (shrubby sub-formation)
  • Dune Mallee Woodlands
    • 171 Spinifex linear dune mallee mainly of the Murray Darling Depression Bioregion
  • Inland Rocky Hill Woodlands
    • 257 Dwyer's Red Gum - Currawang grassy low woodland of the central western plains of NSW
    • 188 Dwyer's Red Gum - Quinine Tree open woodland on igneous intrusive hills of the Macquarie River floodplain (NSW)
    • 184 Dwyer's Red Gum - White Cypress Pine - Currawang low shrub-grass woodland of the Cobar Peneplain Bioregion
    • 176 Green Mallee - White Cypress Pine very tall mallee woodland on gravel rises mainly in the Cobar Peneplain Bioregion
    • 256 Green Mallee tall mallee woodland on rises in the Pilliga - Goonoo regions, southern Brigalow Belt South Bioregion
    • 218 Grey Mallee - Mulga shrubland of the north-western Cobar Peneplain Bioregion
    • 180 Grey Mallee - White Cypress Pine woodland on rocky hills of the eastern Cobar Peneplain Bioregion
    • 258 Gum Coolabah - Mugga Ironbark - White Cypress Pine woodland on granite low hills in the eastern Cobar Peneplain Bioregion and central NSW South Western Slopes Bioregion
    • 104 Gum Coolabah woodland on sedimentary substrates mainly in the Cobar Peneplain Bioregion
    • 175 Ridge mallee woodland on hills of meta-sediments and volcanics, eastern Cobar Peneplain Bioregion
    • 106 White Cypress Pine - Mulga low woodland on siliceous rocky ranges mainly of the Cobar Peneplain Bioregion
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  • Sand Plain Mallee Woodlands
    • 170 Chenopod sandplain mallee woodland/shrubland of the arid and semi-arid (warm) zones
    • 174 Mallee - Gum Coolabah woodland on red earth flats of the eastern Cobar Peneplain Bioregion
    • 173 Sandplain mallee of central NSW
  • Western Peneplain Woodlands
    • 135 Coobah - Western Rosewood low open tall shrubland or woodland mainly on outwash areas in the Brigalow Belt South Bioregion.
    • 108 Gum Coolabah - Mulga open woodland on gravel ridges of the Cobar Peneplain Bioregion
    • 246 Pine shrubland of the western Cobar Peneplain Bioregion
    • 103 Poplar Box - Gum Coolabah - White Cypress Pine shrubby woodland mainly in the Cobar Peneplain Bioregion
    • 72 White Cypress Pine - Poplar Box woodland on footslopes and peneplains mainly in the Cobar Peneplain Bioregion