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Pond plant ID

Just spotted this in the pond.. not planted by me, any ideas? Hope you can see it lol!
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  • Ladybird4Ladybird4 Third rock from the sunPosts: 32,186
    Hi Flinster. Its a bit difficult to see the plant. Is it actually under the water?
    Cacoethes: An irresistible urge to do something inadvisable
  • FlinsterFlinster Posts: 883
    Yes it seems to have rooted at the bottom about 60cm or so. At first I thought it was hornwort but it’s much looser and the whorls are elongated, it’s very delicate looking!
  • FlinsterFlinster Posts: 883
    I’m just worried it’s something invasive so want to ID it before it goes mad!
  • Ladybird4Ladybird4 Third rock from the sunPosts: 32,186
    Could it be this?
    Image result for Potamogeton pusillus invasive water plants uk

    Cacoethes: An irresistible urge to do something inadvisable
  • FlinsterFlinster Posts: 883
    No I don’t think so. Looking at the photos it appears the leaves are coming of in a whirl of 7, but hard to see I know. Might have to fish some out tomorrow ..
  • FlinsterFlinster Posts: 883
    Just been out with a torch and got some!
  • Ladybird4Ladybird4 Third rock from the sunPosts: 32,186
    This?
    Related image

    Cacoethes: An irresistible urge to do something inadvisable
  • FlinsterFlinster Posts: 883
    Mom possibly, can’t see how many leaves in each whorl as mine is consistently 7.. looks similar though.. what is it? Please say it isn’t something horrific! I was worried about parrot feather but that is 5 in a whirl so don’t think it’s that!
  • Ladybird4Ladybird4 Third rock from the sunPosts: 32,186
    Well that plant is an alga called Nitella or Stonewort to give it its common name. It was the nearest I could find to your sample but it may not be that.
    Cacoethes: An irresistible urge to do something inadvisable
  • FlinsterFlinster Posts: 883
    Thanks Ladybird4, I think it’s the closest match so far! I am assuming this is not a reason for me to panic! I will have a google and a read.
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