In this title, Terrestrial refers to "growing on land". Plant refers to, well it refers to plant. Ecology refers to "the relationship of organisms to each other and their surroundings".

The fossil site, called Lantern North, dates to approximately 320-318 million years ago during the early Pennsylvanian period ...

A new analysis suggests the planet can produce much more land-plant biomass -- the total material in leaves, stems, roots, fruits, grains and other terrestrial plant parts -- than previously thought.

Plant biologists agree that it all began with green algae. At some point in our planet's history, the common ancestor of trees, ferns, and flowers developed an alternating life cycle--presumably ...