I didn't know I wanted this until now.
Aldo Cibic was commissioned by Blumohito to create Green Dunes, a 3D vegetal sculpture depicting dunes, as part of Downtown Design Dubai 2014.
Finally! Someone used lichen. Always loved the stuff. From Milan Design Week by Verde Profilo.:
1b39db64c44001c3247157751ef971f8.jpg 639×960 พิกเซล
corredor cultural Regina Centro Histórico
Instead of shading plants, this design could be modified to provide shade and an area to rest. Like a bamboo hobbit house with a mosquito net
Moss Walls: The Newest Trend in Biophilic Interiors
Przepiękny projekt w surowych murach, rośliny stabilizowane i mech. Projekt http://www.zielonesciany.pl