Madia sativa

Tarweed at Rendezvous Creek, ACT

Madia sativa at Rendezvous Creek, ACT - 11 Dec 2021
Madia sativa at Rendezvous Creek, ACT - 11 Dec 2021
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Identification history

Madia sativa 16 Dec 2021 MichaelMulvaney
Madia sativa 11 Dec 2021 ICrawford

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Significant sighting

MichaelMulvaney noted:

17 Dec 2021

Despite the 10.000+ plants this is the first time this weed has been reported in the ACT. Victorian authorities have rated it as a medium risk of becoming a serious environmental weed

User's notes

Bogong Ck road NE of Frank and Jack’s Hut

3 comments

   17 Dec 2021
Thanks Isobel I have reported this occurrence to PCS.
AdamHenderson wrote:
   21 Dec 2021
Thanks. We will look at treating with contractors currently working in the area.
   21 Dec 2021
Thanks Adam - much appreciated

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Location information

Sighting information

  • > 10,001 Abundance
  • 11 Dec 2021 11:59 AM Recorded on
  • ICrawford Recorded by

Species information

  • Madia sativa Scientific name
  • Tarweed Common name
  • Not Sensitive
  • Exotic
  • Noxious or High Risk Weed or Pest
  • Up to 1066.91m Recorded at altitude
  • Machine learning
  • In flower

Record quality

  • Images or audio
  • More than one media file
  • Confirmed by an expert moderator
  • Nearby sighting(s) of same species
  • GPS evidence of location
  • Description
  • Additional attributes
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