Alnus rubra (Red Alder)
- Habitat, native range, climate, associated forest cover, and detailed facts on reproduction and growth. Discusses human uses and genetics.
- http://www.na.fs.fed.us/spfo/pubs/silvics_manual/volume_2/alnus/rubra.htm

Alnus rubra
- Details of distribution and occurrence, value and use, plant characteristics, and fire ecology.
- http://www.fs.fed.us/database/feis/plants/tree/alnrub/