WWR calculation - green wall - lattice

Hi all! I’m modeling a 49-story building with 7 basements, and it has over 40 % (about 85 %) of its envelope covered with glazing, so I have a doubt about the calculation on the Window to Wall Ratio, to work it out, I found the example G-D in the 90.1 User’s Manual ANSI/ASHRAE/IESNA Standard 90.1-2007 (page G-16). Something I was wondering about is how to exactly compute the WWR, specifically, I want to know if I should consider only the gross above-grade wall area (as the Ashrae Standard mentions, Table G3.1.5.c) or I should consider the gross exterior wall area including the above-grade walls and below-grade wall area as well (90.1 User’s Manual ANSI/ASHRAE/IESNA Standard 90.1-2007, page 5-47). This is necessary because I have to reduce the percentage of glazing for my baseline design, and I don't really know if I should consider the 7 basements to calculate that reduction. Last, my model also has a large green wall on a side and lattice covering almost all the building (with irregular shapes), so I would like you to share with me some information about how to model them please, because I haven’t seen anything in the Ashrae Standard about lattice and green wall. I think I only should consider the green wall in my proposed design, actually I was thinking about modeling it as a wall but changing the U-factor and R-factor, and with the lattice I had in mind something similar but modifying the U-factor and SHGC, but surfing on forums I found that it’s even more difficult to do it. I hope you can help me! Thanks in advance.