Could you please rephrase your question? I'm not sure what you want to know. Are you looking for a small tree for a specific purpose?

I have a weeping cherry which is in a large pot is this the kind of thing you want to know a list of names of trees that grow smaller chockecherry amur, crabapple flowering, crabapple siberian, hawthorn arnold, lilac japanese , maple amur, maple tatarian, mountain ask european,russian olive