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Erigeron bonariensis

Flaxleaf Fleabane at O'Malley, ACT

Erigeron bonariensis at O'Malley, ACT - 9 Mar 2022
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Identification history

Erigeron bonariensis 14 Mar 2022 MichaelMulvaney
Erigeron bonariensis 9 Mar 2022 Tapirlord
Erigeron canadense 9 Mar 2022 Mike

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2 comments

Mike wrote:
   9 Mar 2022
This is not the same species as the tall ones identified as Erigeron bonariensis. I do get my ID wrong when I am in the field. Even botanists get the genus wrong - it used to be Conyza.
According to Weeds of the South East, this short one is E. bonariensis. The tall one, to 2m high, is E. sumatrensis and there is a shorter one E. canadensis. I haven't looked at NSW Flora online to see if there is a key.
   14 Mar 2022
Mike the flora of Victoria distinguishes candensis from the others on the basis that its outer bracts are glaborous, while they are hairy in the other species. E. sumatrensis is taller that the others but it has a pale flower head while those of bonariensis are purplish or brown.

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Location information

Sighting information

  • 101 - 1,000 Abundance
  • 9 Mar 2022 09:43 AM Recorded on
  • Mike Recorded by

Species information

  • Erigeron bonariensis Scientific name
  • Flaxleaf Fleabane Common name
  • Not Sensitive
  • Exotic
  • Medium Weed or Pest
  • Up to 928m Recorded at altitude
  • 84 images trained Machine learning
  • In flower
  • Synonyms

    Conyza bonariensis Erigeron bonariense Conyza bonariense

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  • Nearby sighting(s) of same species
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