Title: Green Roof Plants: A Resource and Planting Guide
By: Edmund C. Snodgrass, Lucie L. Snodgrass of Green Roof Plants

Hardcover: 220 pages
Publisher: Timber Press (15 Oct 2006)
Language English
ISBN: 0881927872

Written with extensive knowledge of green roof gardens and includes everything you would want to know about installing a green roof..

Title: Planting Green Roofs and Living Walls
By: Nigel Dunnett (of Sheffield University, UK), Noel Kingsbury

Hardcover 256 pages (May 2004)
Publisher: Timber Press
ISBN: 088192640X

Provides practical techniques required for constructing green roofs, explaining the weight -bearing considerations, materials, substrates, draining layers, modular systems, and plants including plant choice, which are suitable for extreme conditions encountered on roofs.