| Wisconsin State Herbarium |
Vascular Plants |
University of Wisconsin - Madison
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| Species | Color | Twigs | Cones | Soils |
Picea mariana
Black spruce |
lighter
bluish-green |
hairy | under 1.25"-
stay on trees |
bogs and wet |
Picea glauca
White spruce |
light yellowish - bluish green | twigs not hairy | cone 1" - 2"
mostly falling |
upland |
Picea abies
Norway spruce |
dark green,
twigs yellower |
twigs not hairy | cone 4" - 6"
mostly falling |
upland
spreading from cultivation |