Conifer Key
Needles Round and Sharp
The Spruces
Needles 1/3 to 3/4 inches, bad odor...........................White Spruce (
Picea glauca
)
Needles 1/3 to 3/4 inches, twigs with hair............................Black Spruce (
Picea mariana
)
Needles 1 to 1.5 inches, blue-green.......................................Blue Spruce (
Picea pungens
)
Needles 1/2 inch long, bright green and shiny, smells like orange rind..............................Red Spruce (
Picea rubra
)
Needles 1/2 to 1 inch long, deep green and shiny, drooping
branches...............Norway Spruce (
Picea abies
)
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