mulberry, mineral stained hackberry and spalted pecan...good for box calls???
The last two are great for pot calls but not seen a box that I can recall. I have heard that hackberry is very hard to work with. Some people mistakenly call it ironwood although I don't believe it's the same species (?) In my opinion canary wood is the best sounding wood and has amazing acoustical properties whether it be a box or striker application. If you can find a wood that plays well with it then it should work regardless. Someone here probably could answer your question better. Just my thoughts.