'Trees' in the Bible

saying, Hurt not the earth, nor the sea, nor the trees, until we shall have sealed the bondmen of our God upon their foreheads.

And the first sounded his trumpet: and there was hail and fire, mingled with blood, and they were cast upon the earth; and the third part of the earth was burnt up, and the third part of the trees was burnt up, and all green grass was burnt up.

These are the two olive trees and the two lamps which stand before the Lord of the earth;