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Plant ID please


Neon

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I've been in Nelson this weekend and checked out the plants in a small stream nearby. Besides watercress and duckweed I found this plant.

Does anyone know what it is?

I've looked on the web and I think it might be Ottelia ovalifolia. My other guess is some kind of potamogeton.

I think it looks quite cool - hope it's not a pest plant.

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CIMG3376-1.jpg

here's a link to a bigger version of the photo:

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It has a flower spike which forks into two---hence the name which means two flowers. Often when you pull out apanogeton plants they will leave the bulbbehind (and it usually regrows).

It can be a pest as it propagates very readily but the plant is allowed. Not particularly atractive in an aquarium as most of the leaves are floating

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