Well that's all right, it doesn't need to be edible, it just has to be itself. You keep finches?
As a botanist and lover of all flora, I tend not to classify anything as a weed, per se, but some species can certainly be.. far more aggressive than others, yes. If your duckweed is anything like the duckweed I know, aerating the water can help a great deal. Excess duckweed and algae can easily throw off the balance of the ecosystem.
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As a botanist and lover of all flora, I tend not to classify anything as a weed, per se, but some species can certainly be.. far more aggressive than others, yes. If your duckweed is anything like the duckweed I know, aerating the water can help a great deal. Excess duckweed and algae can easily throw off the balance of the ecosystem.