can anyone identify this plant please

coppersend

Hi again
I'm still tidying the School nursery garden and came across
this Shrub ? Sapling ? or ????? which was buried in a Lavender shrub.
It would be great if someone could identify it for me
Should I replant it. remove it or bin it or leave it.

Ant thoughts please

Mel

Hostafan1

baby oak tree

coppersend

Thank you 
I knew there was someone on this great forum 
would have that knowledge
Many thanks

Hostafan1

no problem.