Peace lily (officially called Spathiphyllum) is a member of the Araceae family and grows in the tropical rainforests of Colombia and Venezuela Ranked third by NASA in removing three of most common air pollutants? formaldehyde, benzene and trichloroethylene. The Sansevieria plants are commonly known as snake plants and it is one of the best houseplants of all time. Variants of this category of plants include short leaves, long leaves, green & tinted, green with yellow stripings etc. The other names of this plant are mother-in-law?s tongue, bowstring hemp, devil?s tongue etc. It can survive with low light levels and irregular watering.