More ideas from Chen
The tall plant is Equisetum, aka, Horsetail Rush. The feathery green plant in Parrot's Feather, and the tiny floating reddish-purple plants are Azollo, a teeny-tiny fern that floats in the water.

Water garden: The tall plant is Equisetum, aka, Horsetail Rush. The feathery green plant in Parrot's Feather, and the tiny floating reddish-purple plants are Azollo, a teeny-tiny fern that floats in the water.