Myriophyllum pedunculatum subsp. pedunculatum

Water Milfoil at Cotter River, ACT

Myriophyllum pedunculatum subsp. pedunculatum at Cotter River, ACT - 14 Apr 2023
Myriophyllum pedunculatum subsp. pedunculatum at Cotter River, ACT - 14 Apr 2023
Myriophyllum pedunculatum subsp. pedunculatum at Cotter River, ACT - 14 Apr 2023
Myriophyllum pedunculatum subsp. pedunculatum at Cotter River, ACT - 14 Apr 2023
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Identification history

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Significant sighting

Tapirlord noted:

11 Jun 2023

Rare in the ACT, this is a new location

User's notes

Perhaps controversial will wait for other views

2 comments

natureguy wrote:
   10 Jun 2023
JaneR wrote:
   11 Jun 2023
I checked all the CNM records for small prostrate high altitude milfoil including this one, as best I could against characteristics given in Tony Orchard's original description. Our CNM photos really don't have the clarity needed to see the details: plus mostly they are taken in mid-summer before fruit set. So its a bit of a guess to confirm with confidence or to change an ID.
However, seems to me that the ID in place already (4 x lophatum; and 1 x pedunculatum) are as good as can be done from photographs.
F.Y.I: the most reliable means of separating lophatum from pedunculatum is the shape of the mericarp, and the ornamentation on top of the mericarp.

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Location information

Sighting information

  • 8 Abundance
  • 14 Apr 2023 02:39 PM Recorded on
  • Tapirlord Recorded by

Additional information

  • Less than 10cm Plant height
  • False In flower

Species information

Record quality

  • Images or audio
  • More than one media file
  • Confirmed by an expert moderator
  • Nearby sighting(s) of same species
  • GPS evidence of location
  • Description
  • Additional attributes
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