Nature conservation

Threatened species

Southern long-nosed potoroo - Sydney Basin: Distribution and vegetation associations

Scientific name: Potorous tridactylus trisulcatus

Conservation status in NSW: Vulnerable

Commonwealth status: Vulnerable

Last updated: 12 Mar 2026

Distribution of the species within this region

The Southern long-nosed potoroo is known or predicted to occur in the following sub-regions of the Sydney Basin Interim Biogeographic Regionalisation of Australia Region.

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IBRA sub-region	Known or predicted	Geographic restrictions within region
Burragorang	Known	None
Cumberland	Predicted	None
Ettrema	Known	None
Illawarra	Known	None
Jervis	Known	None
Moss Vale	Known	None

Vegetation formations, classes and types

In this region the Southern long-nosed potoroo - Sydney Basin is known to be associated with the following vegetation formations and classes. Click on a name to get background information about it.

Dry sclerophyll forests (shrub/grass sub-formation)
- Southern Hinterland Dry Sclerophyll Forests
  - 3449 Far South Escarpment Stringybark-Gum Forest
  - 3451 Far South Sheltered Monkey Gum Forest

Dry sclerophyll forests (shrubby sub-formation)
- South Coast Sands Dry Sclerophyll Forests
  - 3638 South Coast Sands Bangalay Forest
  - 3639 South Coast Sands Bangalay Littoral Forest
  - 3640 South Coast Sands Littoral Scrub
  - 3641 Wonboyn Sand Forest
- South Coast Wet Sclerophyll Forests
  - 3181 Bega Wet Shrub Forest
  - 3182 Far South Coastal Apple Gully Forest
  - 3183 Far South Hinterland Stringybark Sheltered Forest
  - 3184 Far South Lowland Creekflat Forest
  - 3185 Far South Riverflat Wet Forest
  - 3186 Far South Sandflat Ribbon Gum Forest
  - 3187 Shoalhaven Hinterland Peppermint Wet Gully Forest
  - 3189 South Coast Gully Shrub Forest
  - 3190 South Coast Hinterland Monkey Gum Wet Fern Forest
  - 3191 South Coast Ranges Moist Gully Forest
  - 3188 South Coast Riverflat Peppermint Forest
  - 3192 South Coast Riverflat Ribbon Gum Forest
  - 3193 South Coast Stringybark-Monkey Gum Wet Forest
  - 3194 Southeast Escarpment Flats Swamp Gum Forest
  - 3196 Southeast Hinterland Intermediate Shrub Forest
  - 3197 Southeast Hinterland Monkey Gum Moist Shrub Forest
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- South East Dry Sclerophyll Forests
  - 3646 Far South Coastal Ranges Silvertop Ash Forest
  - 3648 Far South Hinterland Silvertop Ash Forest
  - 3649 Far South Lowland Depressions Shrub Forest
  - 3650 Goulburn-Lithgow Ranges Silvertop Ash Forest
  - 3651 Gourock Range Peppermint-Ash Shrub Forest
  - 3652 Gulaga Rocky Scrub
  - 3654 Shoalhaven Lowland Bloodwood Shrub Forest
  - 3655 South Coast Escarpment Rocky Scrub
  - 3656 South Coast Foothills Dry Shrub Forest
  - 3657 South Coast Foothills Monkey Gum Sheltered Forest
  - 3658 South Coast Hinterland Bloodwood Forest
  - 3659 South Coast Hinterland Silvertop Ash Forest
  - 3660 South Coast Hinterland Yellow Stringybark Forest
  - 3661 South Coast Hinterland Yertchuk Forest
  - 3662 South Coast Lowland Blackbutt Forest
  - 3300 Southeast Escarpment Peaks Dry Shrub Forest
  - 3663 Southeast Foothills Stringybark Shrub Forest
  - 3664 Southeast Foothills Woollybutt Dry Shrub Forest
  - 3665 Southeast Hinterland Silvertop Ash-Stringybark Forest
  - 3666 Southeast Mountain Dry Shrub Forest
  - 3667 Southern Highlands Enriched Sandstone Forest
  - 3668 Southern Highlands Scribbly Gum Forest
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- Sydney Coastal Dry Sclerophyll Forests
  - 3585 Morton Plateau Shrub Forest
  - 3590 Southern Sydney Scribbly Gum Woodland
  - 3591 Southern Sydney Sheltered Forest
  - 3592 Sydney Coastal Enriched Sandstone Forest
  - 3593 Sydney Coastal Sandstone Bloodwood Shrub Forest
  - 3598 Woronora Plateau Scribbly Gum Woodland
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- Sydney Hinterland Dry Sclerophyll Forests
  - 3614 Southern Highlands Sandstone Peppermint Forest
  - 3615 Sydney Hinterland Apple-Blackbutt Gully Forest
  - 3625 Wingecarribee Sandstone Shrub Forest
- Sydney Montane Dry Sclerophyll Forests
  - 3685 Budawang Sandstone Silvertop Ash Forest
- Sydney Sand Flats Dry Sclerophyll Forests
  - 3629 Castlereagh Scribbly Gum Woodland
  - 4162 Elderslie Banksia Scrub

Forested wetlands
- Coastal Swamp Forests
  - 3996 Coastal Sand Swamp Mahogany Dry Forest
  - 4009 Shoalhaven Lowland Flats Wet Swamp Forest
  - 4010 Sydney Hinterland Creekflat Paperbark Scrub

Freshwater wetlands
- Coastal Heath Swamps
  - 3924 Sydney Coastal Upland Swamp Heath

Heathlands
- Coastal Headland Heaths
  - 3792 Far Southeast Headland Scrub
- South Coast Heaths
  - 3815 Eurobodalla Headland Heath
  - 3816 Far Southeast Coastal Lowland Heath
  - 3817 Mount Nadgee Heath
- Southern Montane Heaths
  - 4163 Mount Gibraltar Melaleuca Heath
- Sydney Coastal Heaths
  - 3809 Shoalhaven Rockplate Heath
  - 3810 Southern Sydney Rockplate Heath
  - 3811 Sydney Coastal Headland Cliff Scrub
  - 3812 Sydney Coastal Sandstone Headland Heath
  - 3813 Sydney Hinterland Dwarf Apple Low Woodland
  - 3814 Woronora Plateau Heath-Mallee
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- Sydney Montane Heaths
  - 3861 Morton Plateau Rocky Heath-Woodland

Rainforests
- Cool Temperate Rainforests
  - 4106 Illawarra Escarpment Cool Temperate Rainforest
- Littoral Rainforests
  - 4113 Far Southeast Littoral Rainforest
  - 4146 Illawarra Sands Littoral Rainforest
- Northern Warm Temperate Rainforests
  - 3028 Illawarra Escarpment Warm Temperate Rainforest
  - 3037 Sydney Basin Warm Temperate Rainforest
  - 3040 Sydney Coastal Foreshores Gully Rainforest
  - 3039 Sydney Coastal Lilly Pilly-Palm Gallery Rainforest
- Southern Warm Temperate Rainforests
  - 3045 South Coast Temperate Gully Rainforest
  - 3046 Southeast Warm Temperate Rainforest
  - 3047 Sydney Montane Basalt Rainforest
- Subtropical Rainforests
  - 3013 Illawarra Lowland Subtropical Rainforest
  - 3036 South Coast Warm Temperate-Subtropical Rainforest

Wet sclerophyll forests (grassy sub-formation)
- Northern Hinterland Wet Sclerophyll Forests
  - 3155 Illawarra North-Pittwater Bangalay Moist Forest
- Southern Lowland Wet Sclerophyll Forests
  - 3270 Shoalhaven Lowland Wet Gully Forest
  - 3271 Shoalhaven Spotted Gum-Blackbutt Moist Forest
  - 3272 South Coast Lowland Creekflat Forest
  - 3273 South Coast Lowland Shrub-Grass Forest
  - 3275 South Coast Spotted Gum Cycad Dry Forest
  - 3274 South Coast Spotted Gum Moist Forest
  - 3276 South Coast Stringybark Cycad Exposed Forest
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- Southern Tableland Wet Sclerophyll Forests
  - 3303 Central Tableland Ribbon Gum Sheltered Forest
  - 3301 Southeast Tableland Ranges Snow Gum Sheltered Forest
  - 3302 Southern Highlands Shale-Basalt Dry Forest
  - 3304 Southern Tableland Swamp Flats Shrub Woodland

Wet sclerophyll forests (shrubby sub-formation)
- North Coast Wet Sclerophyll Forests
  - 3154 Illawarra Blackbutt Moist Forest
  - 3153 Illawarra Escarpment Bangalay x Blue Gum Wet Forest
  - 3078 Illawarra Lowland Wet Vine Forest
- Southern Escarpment Wet Sclerophyll Forests
  - 3222 Southern Highlands Shale Margins Moist Forest
  - 3223 Southern Highlands Shale-Basalt Wet Forest
  - 3224 Southern Highlands Swamp Forest