Water Sprite Lace (Ceratopteris thalictroides)
This species will propagate is by side shoots and rhizome division. Just separate the new plant and re-plant. All plants are sensitive to copper; the Water Sprite is no exception. Be aware about the type of medication you are introducing to the aquarium, especially chemicals to control snails infestation, those are usually copper based and should not be added to a planted aquarium.
This plant will benefits from the additions of CO2 and fertilizers.
Optimal Water Conditions: 72-82° F, KH 3-8, pH 6.5-7.5
Light Needs: Medium
Plant Structure: Fern like