@Sitrec, According to Wikipedia there are about 20 species of Saintpaulias (all from Africa), frankly I have no intention to visit African rainforests just to photo-shot that:) I am in Europe, and I have one in my house, probable is one of the species adapted to grow here. I will make some updates soon, and I hope to improve the stuff.
About models from pack, they come as a bonus, was not my intention to do them, more that showing some examples of how textures look. So I will try my best to make everyone happy:)
About normals/baking, I understand what @MooseCommader said, personally I think best method is to make every leaf in ZBrush then bake. Now consider you need 4-5 different leafs per model, this is not an easy task, and the pack will not be as cheap as I plan to do it right now. And is situational, depending on what game/app you plan. Second method, is possible to adjust/remodel normals in Quixel very easy. I’ve used Quixel Full Spectrum for normals, and the results are more that decent. Most of the time, full spectrum will do the job.