The plant to the right in the first picture looks like Rotala rotundifolia with some type of broader leaf stems mixed in. I'm not sure on the left one.
The second picture looks like Bacopa caroliniana.
I would separate the stems and plant them either individually or in pairs. This will allow light to get to the lowe leaves.
I would fertilize with these plants. How much light do you have? All plants should be fertilized, some will do ok without them though. I'd atleast get something like Flourish.
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*Kristin*
5 Planted tanks:
55g, 40g, 29g, 20g, 5.5g
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