Tulip Tree: Liriodendron tulipifera
- U.S. Forest Service fact sheet includes description, habitat, life history, geographic range, special uses, and genetics.
- http://wildwnc.org/trees/Liriodendron_tulipifera.html

Liriodendron tulipifera
- Includes distribution and occurrence, botanical and ecological characteristics, value and use, and fire ecology.
- http://www.fs.fed.us/database/feis/plants/tree/lirtul/