Lysimachia nummularia, also known as golden creeping Jenny, grows very fast and it is one of the most undemanding aquarium plants. It can tolerate soft or hard water. pH in the 6.0-8.0 range, and temp. from 10-29 C. This plant grows well in non-CO2, moderately lit aquaria, it prefers high light and CO2 addition.
Lysimachia nummularia - This is a nice looking plant. Great in a coldwater or tropical aquarium. This is a bright green stem plant. You can use it as a background plant or middleground plant. Fast grower. Propogation by clippings and sideshoots.