Myriophyllum crispatum

Water Millfoil at Sutton, NSW

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Myriophyllum crispatum JaneR 21 Jan 2025
Myriophyllum sp. JaneR 21 Jan 2025
Myriophyllum sp. Untidy 21 Jan 2025

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4 comments

   21 Jan 2025
Definitely a milfoil, and likely is Myriophyllum crispatum.
for certainty, ID to species for milfoils needs other details, most notably number of leaves in a whorl (if whorled, that is).
   21 Jan 2025
Jane, I've added a couple more photos but probably still not clear enough. When I've enlarged the photos they look most like M. crispatum. The dam is surrounded by reeds, rushes and grasses so it is very difficult to get a clear photo without getting in the dam. We weren't dressed for that. Lots of lovely native water plants in there. Best retired farm dam that I've ever seen.
   21 Jan 2025
the third photo was indeed helpful: gave an idea of likely whorl number, and showed overall shape. This species of milfoil has (nearly always) tight crimped hairs on the stem. If wading in is not possible, its worth checking the strandline for milfoil debris (waterfowl can be quite destructive) - these isn't good for photo portraits but can be useful source of species details.
Extra photos are really helpful
   21 Jan 2025
Thank you. That's very helpful.

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Location information

Sighting information

  • 101 - 1,000 Abundance
  • Untidy Recorded by
  • 10cm to 30cm Plant height
  • Yes In flower

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Species information

Record quality

Quality score 4 / 7
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