When did plants apear on the earth

Scientists believe that the first plants were algae like and lived in water about two to three thousand million years ago during the precambrian time. This was between 500 and 600 million years ago. But it was not until about 150 to 200 million years later that plant life became abundant on land and evidence of this can be found in rocks of the so called carboniferous and Devonian period…. [… More info ..]