Nature conservation

Threatened species

Tall Knotweed - Sydney Basin: Distribution and vegetation associations

Scientific name: Persicaria elatior
Conservation status in NSW: Vulnerable
Commonwealth status: Vulnerable
Last updated: 11 Oct 2022

Distribution of the species within this region

The Tall Knotweed 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 predictedGeographic restrictions within region
Burragorang Known None
Cumberland Known None
Hunter Known None
Moss Vale Known None
Wyong Known None
Yengo Known None

Vegetation formations, classes and types

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

  • Forested wetlands
    • Coastal Floodplain Wetlands
      • 4020 Coastal Creekflat Layered Grass-Sedge Swamp Forest
      • 4028 Estuarine Swamp Oak Twig-rush Forest
      • 4058 Sydney Hinterland Red Gum Riverflat Forest
    • Coastal Swamp Forests
      • 3987 Far North Floodplain Paperbark-Swamp Oak Forest
      • 3988 Far North Mesophyll Paperbark Swamp Forest
      • 3990 Far North Paperbark Gahnia Swamp Forest
      • 4000 Northern Estuarine Paperbark Sedge Forest
      • 4001 Northern Floodplain Paperbark Fern Swamp Forest
      • 4004 Northern Melaleuca quinquenervia Swamp Forest
      • 4006 Northern Paperbark-Swamp Mahogany Saw-sedge Forest
      • 4008 Northern Sands Swamp Mahogany Shrubby Rush Forest
      • 1731 Swamp Oak - Weeping Grass grassy riparian forest of the Hunter Valley
      • Show 6 more vegetation type(s)
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    • Eastern Riverine Forests
      • 42 River Red Gum / River Oak riparian woodland wetland in the Hunter Valley