Maybe you’ve heard that having plants in your home is proven to increase happiness, and improve your attention span and even reduce fatigue at work. Even with these psychological benefits aside, there’s no denying the peaceful aesthetic of houseplants.

One scarcely considered benefit of having plants in your home is their ability to replace toxins in the air with 100% pure bonafide oxygen. In the ’80s, NASA conducted a study in partnership with the Associated Landscape Contractors of America, to establish the best plants for the job.

This handy infographic demonstrates their findings:

The original infographic can be found here: lovethegarden.com