1. Spruce: Spruce trees are a common sight in subarctic forests. They are evergreen trees with needle-like leaves and produce cones that hang downwards from the branches. Some common species of spruce found in subarctic forests include white spruce, black spruce, and red spruce.
2. Fir: Fir trees are another type of coniferous tree found in subarctic forests. They are also evergreen trees with needle-like leaves, but their cones stand upright on the branches. Some common species of fir found in subarctic forests include balsam fir, Douglas fir, and grand fir.
3. Pine: Pine trees are also present in subarctic forests, although they are less common than spruce and fir trees. They are evergreen trees with needle-like leaves and produce cones that are made up of large, woody scales. Some common species of pine found in subarctic forests include jack pine, lodgepole pine, and eastern white pine.
4. Larch: Larch trees are unique among coniferous trees in that they are deciduous, meaning they lose their leaves in the fall. They have needle-like leaves and produce cones that hang downwards from the branches. Some common species of larch found in subarctic forests include tamarack, western larch, and Siberian larch.
In addition to these main coniferous tree species, subarctic forests may also contain other types of trees, such as birch trees, aspen trees, and willow trees. These trees are typically found in areas where the climate is slightly warmer and more moist, such as along riverbanks or in sheltered valleys.