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 succubous
Leaves entire
Leaves made up of many cells
Leaf apices never lobed or notched
Leaves plane or convex
Brownish pigmentation usually lacking
Only one side of underleaves joined to leaves