Query: Trees of Alaska, Manitoba or Subarctic America
Domain: plants
Relevant documents:
Cornus alternifolia
Populus balsamifera
Populus trichocarpa
Taxus brevifolia
Betula papyrifera
Tsuga mertensiana
Celtis occidentalis
Picea sitchensis
Pinus resinosa
Abies lasiocarpa
Betula neoalaskana
Thuja plicata
Tsuga heterophylla
Tilia americana
Larix laricina
Picea mariana
Callitropsis nootkatensis
Picea glauca