Answer:
I am flora, not fauna. I am foliage, not trees. I am shrubbery, not grass. What am I?
When I am caught I am thrown away. When I escape you itch all day.
I am a tool for fairies.
I am two-faced but bear only one. I have no legs but travel widely. Men spill much blood over me. Kings leave their imprint on me. I have greatest power when given away yet lust for me keeps me locked away.
I have cities with no people, forests with no trees, and oceans with no water. What am I?
I tell people to be careful when handling boxes.