Floating plant id please

Discussion in 'ID Needed' started by A new day, Oct 31, 2019.

  1. A new day

    A new day

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    Does anyone recognize this one? Tempted to beg/borrow or steal a cutting for the pond but don’t know if it will get out of hand. Wonder if it will work for tanks too?

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  3. MariaS

    MariaS Moderator

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    I dont know the name but I had lots in my pond some time ago
    It does grow fairly fast but not like crazy and tends to take quite a knock in winter in very cold areas
    Not sure how invasive it can be in the right conditions so always handle with care and dont throw pieces away where they can get into water ways
     
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  4. OP
    A new day

    A new day

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    Thanks Maria, cool if I do manage to get a piece and grow some I’ll make sure to discard on the compost heap if necessary!
     
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  5. Reedfish

    Reedfish Moderator

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    Salvia natans
    But I think is sometimes called Salvinia natans
    It's a type of water fern from the tropics.
     
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  6. OP
    A new day

    A new day

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    Thanks @Reedfish the name rings a bell, think I’ve seen it used in aquariums also? Internationally.
     
  7. Reedfish

    Reedfish Moderator

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    I had some in mine at one point.
    My Reedfish used to love hanging among the roots.
     
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  8. OP
    A new day

    A new day

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    I can imagine shrimp loving it too
     
  9. Figeth

    Figeth

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    Salvinia (all types) are massive invaders here, sadly.
     
  10. OP
    A new day

    A new day

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    I think they may be blacklisted?
     
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  11. Figeth

    Figeth

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  12. mattie

    mattie

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    there use to be plenty here if you still want >
    33°50'45.6"S 18°39'19.4"E
     
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  13. OP
    A new day

    A new day

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    Awesome, thanks @mattie
    Cool to use coordinates :thumbup:
     
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  14. Figeth

    Figeth

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    Speaking with coordinates, there's also some here: -34,0815118, 18,4560338
    As well as water lettuce and azolla. Very invasive but they make good additions to the compost heap.
     
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  15. MariaS

    MariaS Moderator

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    In our area more than half would die with the frost in winter but where the winters are milder yes I think it could become invasive
     
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  16. OP
    A new day

    A new day

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    I got a couple of small pieces yesterday, rinsed and quarantining in tap water. Can’t find and can’t remember the thread that suggested how to clean plants from possible nasties.
    Think it was a dip in weak hydrogen peroxide solution? Could I do a weak unscented bleach solution (which I have at hand)?

    @Cale24 would you like a piece? Remember you were looking for more interesting floating plants at some point.

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  17. eros111

    eros111

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    NEVER EVER let a single bit of those plants end up in or even near a natural water source.( and tell the person you sharing it with) If not already there this wretched thing will grow madly in your area. It is considered as a HIGHLY invasive plant. Google KARIBA WEED more info.
     
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  18. OP
    A new day

    A new day

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    Yep luckily I have compost heaps, and I also never flush tank /pond water down the drain. Water here in CT is way too precious, and tank water makes excellent fertilizer for my pot plants and veg garden :thumbup:
     
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  19. Pezulu

    Pezulu Moderator Comp Coordinator

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    It is listed as a Catergory 1b invasive species.

    Category 1a:
    Invasive species requiring compulsory control. Remove and destroy. Any specimens of Category 1a listed species need, by law, to be eradicated from the environment. No permits will be issued.

    Category 1b:
    Invasive species requiring compulsory control as part of an invasive species control programme. Remove and destroy. These plants are deemed to have such a high invasive potential that infestations can qualify to be placed under a government sponsored invasive species management programme. No permits will be issued.
     
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  20. OP
    A new day

    A new day

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    Oh dear, thanks!
     
  21. Pezulu

    Pezulu Moderator Comp Coordinator

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    Most of the plants commonly used in aquariums seem to be on the NEMBA blacklist.
    Just a couple of the more common floating plants.

    Salvinia Natans (Floating Fern or Water Fern)
    Salvinia Molesta (Kariba Weed)
    Salvinia Minima (Common Salvinia or Water Spangles)
    Salvinia Auriculata (Eared Watermoss or Butterfly Fern)
    Pistia Stratiotes (Water Lettuce or Water Cabbage)
    Lemnoideae Minor (Duckweed)
    Limnobium Laevigatum (Amazon Frogbit)
    Eichhornia crassipes (Water Hyacinth)
    Azolla Caroliniana (Mosquito Fern)
     
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