If your company isn't funding office-plants, you may point them to this latest research:
https://mentalhealthdaily.com/2014/09/13/plants-at-work-office-increases-well-being-productivity-by-15/ - "Research demonstrates mental health benefit of office plants. . . 'a very smart investment for the overall health of your company.'
http://www.medicalnewstoday.com/articles/281817 - Plants in offices make workers happier & more productive.(Medical News Today) - Offices that are devoid of greenery are less happier and less productive. Live plants make workers be more physically, mentally and emotionally involved.