Each of some kind of plant sub-system that maintains the embryo inside the maternal tissues, including the tracheophytes as well as bryophytes.
The other most common species of organisms or plants seem to be the surface plants including embryophytes, furthermore precisely Embryophyta or Metaphyta.
They are considered as 'land plants' but even though, in comparison to the connected green algae, those who continue living primarily throughout terrestrial environments, mainly aquatic ones.
