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 toothed or lobed
Leaves large enough to see with a hand lens
Stems without paraphylls
Leaves divided less than halfway
Underleaves not joined to leaves or joined on only one side
Leaves without jagged apices or a rainbow sheen
Leaves never deeply 4-lobed