7 down 43 to go...

Tree ID test on Friday - 50 UK native and commercially important species, common and scientific names. S**t...

Clockwise starting top left (please feel free to correct me if I'm wrong!):

Ulmus glabra (wych elm)
Acer platanoides (Norway maple)
Corylus avellana (hazel)
Castanea sativa (sweet or Spanish chestnut)
Carpinus betulus (hornbeam)
Abies nobilis or Abies procera (noble fir)
Abies grandis (grand fir)