c# - Unity3d - How to add gameobject list to array?

Question

I want to list Gameobject to array.My gameobject have sub-mesh see image now.

http://i.stack.imgur.com/EDCck.png

I want to list sub gameobject from name "b2_floor9_middleArea" to all.

I use c# Language

How do I put code for solve my problem ?