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GrassNassella tenuissima

Mexican Feather Grass at Forde, ACT

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Nassella tenuissima at Forde, ACT - 10 Jul 2020
Nassella tenuissima at Forde, ACT - 10 Jul 2020
Nassella tenuissima at Forde, ACT - 10 Jul 2020

Identification history

Grass Nassella tenuissima 13 Jul 2020 MichaelMulvaney
Grass Nassella tenuissima 12 Jul 2020 michaelb
Unidentified 11 Jul 2020 Jiggy

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Significant sighting

13 Jul 2020

This is a highly invasive species, prohibited across Australia, but still seems to be popping up - this is one that we really want to eradicate from the ACT

Author's notes

As been reported to Steve Taylor

2 comments

   13 Jul 2020
Checked with Steve Taylor who said "we removed the Mexican feather grass today – well spotted by Jim Bariesheff. Six plants in total – a search will begin of gardens nearby tomorrow. Interestingly there have been recent reports in Tasmania, the Blue Mountains and New Zealand – so still out there in the nursery trade despite being prohibited by all governments."
PAW818 wrote:
   18 Jul 2020
Some updates:
1) National Herbarium has confirmed the id as Mexican feather grass
2) A resident found one of the seed heads that someone had cut off the main plant. Other ones that were cut off must have been taken by a resident for a dried flower collection (it is a very nice looking grass seed head). One of the common names used on-line is Angel Hair.
3) Parks Rangers and a contractor have searched the area and no more adult plants found. However some juvenile plants were found close by and they have been spot sprayed with glyphosate by the environmental weed contractor (Core Enviro Solutions), as part of serrated tussock control in the area.

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Nearby Sightings

Page 1 of 1 pages - image sightings only 36 0 3

Hemicordulia tau (Tau Emerald) at Forde, ACT - 10 Mar 2019 by DPRees125 Zapornia tabuensis (Spotless Crake) at Forde, ACT - 9 Mar 2019 by DPRees125 Acrocephalus australis (Australian Reed-Warbler) at Forde, ACT - 25 Feb 2019 by JohnBundock
Hemicordulia tau (Tau Emerald) at Forde, ACT - 10 Mar 2019 by DPRees125
Zapornia tabuensis (Spotless Crake) at Forde, ACT - 9 Mar 2019 by DPRees125
Acrocephalus australis (Australian Reed-Warbler) at Forde, ACT - 25 Feb 2019 by JohnBundock

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Location information

  • Coordinates 149.150000-35.158333
  • Altitude 713.0m
  • Places Forde, ACT

Species information

  • Not Sensitive
  • Exotic
  • Noxious or High Risk Weed or Pest

Sighting information

  • 1 - 3 Abundance
  • 30cm to 1 metre Plant height (m)
  • 10 Jul 2020 Recorded on
  • Jiggy Recorded by

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