where …

branchlets droop, cones=long (10-15 cm) (4-6 in)
🇳🇴 Norway spruce  Picea abies

some branchlets droop, others splay horizontal;  needles | very sharp
◼ Colorado blue spruce  Picea pungens

buds and twigs=hairless;  needles=blue-green
◼ white spruce  Picea glauca

buds and twigs=hairy;  needles=blunt-pointed, short (<1 cm) (<½ in)
◼ black spruce  Picea mariana
buds and twigs=hairy;  needles=medium (>1 cm) (>½ in)
◼ red spruce  Picea rubens

Learn more about spruce genus Picea (Picea spp.)

Part of 🌲︎ cedar / fir / hemlock / larch / pine / spruce  family Pinaceae.

Uses by native peoples
(Ethnobotany database)

Picea hosts caterpillars of 158 species
of butterflies and moths, in some areas.

Discover Life Encyclopedia of Life Google Google images Gymnosperm database Michigan Flora USDA PLANTS db Wikipedia