Liverworts
Plants with obvious leaves
Leaves not spirally arranged
Leaves without ventral sacs
Leaves not complicate-bilobed or folded
Leaf toothed, lobed or spine-like but shape evident
Underleaves present
Leaves incubous
Leaves of main stems with less than 3 lobes or unlobed
Leaves lobed or not, if lobed not to the base
Ventral flagella absent