Thought this was a birch sapling, but not sure now

Thought this was a birch sapling, but not sure now

Observation - Thought this was a birch sapling, but not sure now. Description: Sturdy sapling about 20cm high in damp deciduous woodland clearing. Downy leaves. Leaf margins not right for birch. Common, but cannot key it to a species.

Sturdy sapling about 20cm high in damp deciduous woodland clearing. Downy leaves. Leaf margins not right for birch. Common, but cannot key it to a species.