Running Marsh-flower (Ornduffia Reniformis) is a perennial aquatic in the Menyanthaceae family with moderate care difficulty. It requires very high watering and full sun or partial shade light in USDA hardiness zones 9-11. This plant is safe for cats and dogs.

Ornduffia reniformis is an emergent, aquatic, perennial herb endemic to Australia, growing up to 1.3 meters tall with glossy, kidney-shaped floating leaves.