Although it may not be ideal for a large document, I have used the Coblis for individual figures that I’m worried about. I usually find small tweaks to the colors can make them much more readily differentiable in the simulator.

The Ecotopia borders are not that different from Cascadia.

You don’t need to do this. If properly pruned, crape myrtles will form a canopy over the sidewalk that doesn’t interfere with pedestrians and actually provides shade; if topped like the picture, they will form an unruly mass of growth right at head height.

I agree with the other comment – looks like maybe insect damage or (fungal?) infection, but I’m really not sure. You might try looking through Sue Bottom’s Orchid Disease Guide (PDF), if you haven’t already.

I agree, looks like a mulberry. Leaves on small trees and new branches are particularly likely to be lobed in mulberry, while older branches tend to produce leaves without lobes.