Bugs of texture on the particles of flowers and herbs of two blocks of height

This bug is; when you strike the summit of tall grass and/or big flowers, the particles of peony or sunflower replace the original particles of the plant (particle of peony for the rosebush), to reproduce him(it), go to creative, takes any swords and struck the top of the high grass or the high flower which makes two blocks of height to see the particles which bugs.