Potamogeton sulcatus

Pondweed at Dunlop, ACT

Potamogeton sulcatus at Dunlop, ACT - 5 Dec 2021
Potamogeton sulcatus at Dunlop, ACT - 5 Dec 2021
Potamogeton sulcatus at Dunlop, ACT - 5 Dec 2021
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Identification history

Potamogeton sulcatus 10 Jan 2022 JaneR
Potamogeton sulcatus 8 Dec 2021 pinnaCLE

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User's notes

Photos of inflorescence and leaf of pondweed added on 27 Dec. Inflorescence excl pedicel is 4 cm long. Leaves are 'large' and oval, about 6 x 4 cm

2 comments

JaneR wrote:
   8 Dec 2021
Probably this is Potamogeton sulcatus, rather than P. cheesemanii: but to be certain, need to see the inflorescence clearly.
When the plant is out in the water, and rather distant to photograph, it can be worthwhile searching the shoreline for recent broken-off bits (especially after a windy day): photos of intact inflorescences: would help for a confident ID.
P. sulcatus has bigger leaves and more flowers/fruits on the inflorescence.
JaneR wrote:
   10 Jan 2022
That's a nice careful set of observations !
yes, definitely Potamogeton sulcatus.

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Location information

Sighting information

  • 16 - 100 Abundance
  • 5 Dec 2021 02:36 PM Recorded on
  • pinnaCLE Recorded by

Additional information

  • Less than 10cm Plant height
  • True In flower

Species information

Record quality

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  • Confirmed by an expert moderator
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