Forge version: 1.12.2-14.23.1.2582-universal
Botania version: 1.10-352

Hello, I installed your mod, and encountered a very interesting situation: in the new generated world, can often be found standing alone stairs of the living-wood.

Screenshot:

you should provide a list of other mods you have to help them, it's probably an ID issue.
https://minecraft.curseforge.com/projects/notenoughids
this mod might help