Picea mariana (Black Spruce)
- Describes the habitat, physical characteristics, and human uses of this species. Provides photos of entire tree, cones, leaves, and bark.
- http://www.for.gov.bc.ca/hfd/library/documents/treebook/blackspruce.htm

Picea mariana
- Information on distribution and occurrence, value and use, characteristics, and fire ecology.
- http://www.fs.fed.us/database/feis/plants/tree/picmar/