a procedural moss geometry node setup that i made in blender,it can be used on any model,you can change the density and moss objects howerver you wish wether it be crystals or donuts...all you have to do is mess around in the geometry nodes,theres a collection selector that you can change to whichever collection you want to change the objects...my insta:@ibrahim.asslan4(ps. tag me if you use it id like to see that)