what trees are native to holland?
['Acacia – False Acacia/Black Locust (Robinia pseudoacacia)', 'Alder (Alnus)', 'Ash (Fraxinus)', 'Beech (Fagus sylvatica); Copper Beech (Fagus sylvatica purpurea)', 'Birch (Betula)', 'Catalpa (Catalpa)', 'Caucasian wingnut (Pterocarya fraxinifolia)', 'Cherry (Prunus)']