How do bryophytes differ from vascular plants?
The main difference is the absence of vascular system in bryophytes which is present in vascular plants.
Bryophytes lack true vascular system, i.e. xylem and phloem.
Vascular plants have true xylem and phloem.
Alternation of generations of sporophytic and gametophytic generation occurs in both.
However. main plant body is sporophyte in vascular plants and gametophyte is reduced
In Bryophytes, main plant is gametophyte and sporophyte is reduced and parasitic on gametophyte, whether complete or partial.