There’s a book called Planting Green Roofs and Living Walls by Nigel Dunnett that might be some help. I know there are companies that do indoor planting areas. If you could find one of them, try e-mailing someone.
G-sky is a reputable company that focuses on living wall structures. Planting Green Roofs and Living Walls looks like a good resource, as well. Check it out here.
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