On National Environmental Alert List. Pest plant ACT. General Biosecurity Duty NSW with additional restrictions all NSW (as Hieracium species).
http://weeds.dpi.nsw.gov.au/Weeds/Details/156
Orange Hawkweed has the potential to become a significant weed within the ACT.
The general appearance of a hawkweed plant is similar to a dandelion (Taraxacum officinale) or a flatweed (Hypochaeris species). Hawkweeds are perennial herbs of variable height (15–40 cm), and have a milky sap which is seen when their stems or leaves are broken.
Pilosella aurantiaca is listed in the following regions:
Canberra & Southern Tablelands
Synonyms
Hieracium aurantiacum