Colorado Spruce

Spruces
-one needle per "bundle"
-needles all around the stem
-needles are square or rounded

Norway Spruce
-droopy branches: all secondary (not the main) branches are on the bottom hanging down

White Spruce
-common here

Black Spruce
-shorter needles than White Spruce
-more of a skinny, slender tree than White Spruce
-grows in boggy areas