Betula populifolia (Gray Birch)
- Image, distribution map, scientific classification, threatened and endangered plant information, and wetland indicator status.
- http://plants.usda.gov/java/profile?symbol=BEPO

Betula populifolia
- Distribution and occurrence; value and use; characteristics; and fire ecology.
- http://www.fs.fed.us/database/feis/plants/tree/betpop/