9 – Spathyphillum (Peace Lily)
The calming delicate Peace Lily, also known as the Spathiphyllum, will brighten your room and day. The Peace Lily is one of the most air purifying plants from the Araceae family. The Lily has white sail like flowers against a deep green foliage. This is an iconic plant and easy to care for. However, you will need to remember to water it!