ID needed on several Floating plants

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Pyramid_Party

Pyramid_Party

Fire Eel
MFK Member
Aug 6, 2008
4,916
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68
Monterey, CA
Hi,

I have these floating plants and have no idea what they are. The 1st pic the plant has fuzziness to the leaves. I also have this other that is small like duckweed ( not pictured), but it has a fern look to it. Anyone know what it is?




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Pistia stratiotes and Limnobium laevigatum
 
I agree with the frogbit. But the water lettuce looks different than the kind I got. Maybe a different species of water lettuce. But according to wikipedia it says there is only one species of water lettuce.
 
Just found out the fern looking plant is Azolla. Between the 2 pictures, the Azolla, and duckweed I am throwing away handfuls every few days. Stuff grows super fast.
 
There's only one species of Pistia. That's water lettuce in a dwarf form. I have it growing in my 75 gallon and it looks exactly like your picture; tiny, comparatively speaking. In full sunlight it should grow into a nicely sized rossette. That crap grows ridiculously fast, just like Lemna (duckweed) and basically all other floating plants. I had it cover a 20L in less than a month from three little leaves (the Pistia, that is).
 
Yeah that is what I figured. I grow water hyacinth too and notice different leaf patterns depending on growing conditions. It is not good to have these floating plants cover the top of the water right?
 
Pyramid_Party said:
It is not good to have these floating plants cover the top of the water right?
Click to expand...
I don't see why it would be harmful in any way. Unless, of course, you have light demanding plants growing under the water.
 
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