
black spruce with pubescence on the round topped ridges and in between them. Needles can appear dull, blue-green or grey green from a distance

red spruce with sparce pubescence in between round topped ridges. Needles are glossy or waxy and yellow green

white spruce, no pubescence. Needles are dull and dark green to blue-green
See thread on balsam fir
Link to Balsam