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| | Houseplants that Purify the Air (Site not responding. Last check: 2007-11-05) |
 | | Gerbera daisy, Dracaena Marginata, Peace lily (Spathiphyllum), Dracaena 'Janet Craig' and Bamboo palm in order were the five most effective plants in removing Trichloroethylene concentrations from the air. |
 | | Gerbera Daisy, pot Mum, Peace lily, Bamboo palm, Dracaena Warneckei, English ivy and Mother-in-law's tongue are the seven top houseplants for removing Benzene concentrations in the air. |
 | | Bamboo palm, Dracaena 'Janet Craig', Mother-in-law's tongue, Dracaena Marginata, Peace lily, green Spider plant, and golden pathos are seven of the top plants for removing concentrations of Formaldehyde in the air. |
| www.humeseeds.com /purify.htm (425 words) |
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