Are you fighting on Endor, Scarif or any other forrest moon or planet you will need Bushes and trees. In this tutorial I show you exactly how to make some different kinds and hopfully it gives you an idea or inspiration. (note: I'm not making the big Endor trees in this tutorial)
There are pictures & instructions on my blog here: https://legion-outpost.blogspot.com/2018/09/jungle-terrain-tutorial.html