I have seen this glitch on both server and client versions of 13w2b.

As you can see in the screen shot provided it looks like a large swath of the trees is missing. In the far background you can see where it ends, and in the foreground where trees have been "cut". When you approach the trees the game still acts as if they are there, the player is forced backward from the collision boundaries, and if low enough, the player will take damage from attempting to force them self into the leaves. Right clicking (using) with any item towards these areas where the plants are not displaying has no effect. No plants are damaged/harvested and tools do not take wear.

Exiting and re-entering the world, causing a redraw of the graphics, corrects the glitch.