Query: What are  Trees of Eastern Canada that are not Trees of the Southeastern United States.
Domain: plants
Relevant documents:
Picea sitchensis
Quercus velutina
Quercus ellipsoidalis
Alnus serrulata
Larix laricina
Jack pine
Carpinus caroliniana
Malus coronaria
Quercus ilicifolia
Betula papyrifera
Quercus bicolor
Quercus shumardii
Taxus canadensis
Betula neoalaskana
Sorbus decora
Picea mariana
Thuja occidentalis
Picea glauca
Quercus montana