Limnobium sp.

1 Frogbit at Acton, ACT

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Limnobium sp. JaneR 7 Apr 2021
Limnobium sp. karenwilsonau 6 Apr 2021

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Significant sighting

MichaelMulvaney noted:

7 Apr 2021

This is a weed of high risk potential and is prohibited from growing, buying or selling in the ACT. PCS staff have been notified and will seek removal of plant

User's notes

Limnobium laevigatum (with Azolla, etc.) in courtyard pond at National Film and Sound Archive. Not in flower, but with distinctive spongy, thickened, rounded immature leaves.

2 comments

   7 Apr 2021
Thank you for spotting. They have agreed to remove and solarize in dark coloured garbage bags to kill it, and do follow-up control. Will be worth checking ANU ponds too. NSW DPI regards frogbit as Limnobium laevigatum because no records of L. spongia in Australia...yet.
   7 Apr 2021
A satisfactory outcome!

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Location information

Sighting information

  • 4 - 15 Abundance
  • 29 Mar 2021 11:07 AM Recorded on
  • karenwilsonau Recorded by
  • Less than 10cm Plant height

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Record quality

Quality score 6 / 7
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