Linked from

The 3 pages that link to Picea engelmannii, each with the reason it gives.

• Picea glaucaCompared with: It can overlap with white spruce in western mountains but is a distinct species.

• Picea marianaCompared with: Its mountainous western range contrasts with black spruce's broad lowland boreal distribution.

• Blue spruceCompared with: It shares mountain habitat with blue spruce but has softer, less sharply pointed needles.