Floating pond plants (Lower Morden SM4)

Would anyone have some floating pond plants from their own private pond at home they could spare please. It wouldn’t need to be much/many as it’ll reproduce fairly quickly. Thank you.
Moderator note: According to the RHS some water plants are invasive, and not to be passed on - please be careful.

User note; the pond is fully isolated and I have over 40 years experience with it and its plants. Any excess that should need to be removed will be done safely, as is usual and not disposed of in a public body of water.
Can you help with this request?
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