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Hardheads (Rhaponticum repens, Acroptilon repens) (Nox)

Invasive Assessment | Impact Assessment | Potential Distribution | Present Distribution

Scientific name: Acroptilon repens

Common name:
Hardhead thistle, Creeping knapweed, Russian knapweed

Additional information about Hardheads is located on the Agriculture Victoria website - including plant status, plant biology, growth and lifecycle, and management.

Photo: Hardhead plant
Hardheads - plant
Photo: Mark Imhof		Photo: Hardhead flower
Hardheads - flower
Photo: Andy Steed		Photo: Hardhead flower
Hardheads - flower
Photo: Mark Imhof


Related Links

Information on Hardheads on the Tasmanian Department of Primary Industries, Parks, Water and Environment's website (external link).
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This page contains material sourced from the Victorian Resources Online (VRO) website, originally published by the State Government of Victoria.

The content is provided under the Creative Commons Attribution 4.0 Australia licence (CC BY 4.0 AU).

This material is presented in an archived form and is no longer maintained or updated. It is provided for general information only and should not be relied upon as current advice.

This site is hosted by the Centre for eResearch and Digital Innovation (CeRDI), Federation University Australia. It is not endorsed by Agriculture Victoria.

Agriculture Victoria does not accept liability for any loss, damage or consequences arising from the use of, or reliance on, this material.