Yellow Snowflake – Nymphoides geminata (syn. N. peltata) Menyanthaceae – Floating Heart – Lily-Like Plant – Looks like a miniature lily. This floating leaf plant has a bright yellow, star-shaped (buttercup-like) flower. Green to reddish-brown, heart-shaped (2" to 3") leaves float like lily pads. Grows in 4" – 24" of water. Hardy Zones 6-10. Alternative common names for this plant are the fringed water lily, water fringe, yellow water snowflake and the yellow floating heart.