Pinus contorta
- Description and images of Lodgepole Pine and its subspecies of western North America.
- http://www.conifers.org/pi/pin/contorta.htm

Pinus contorta (Lodgepole Pine)
- Distinguishing characteristics and habitat of this species. Provides image of needles and cones.
- http://www.borealforest.org/world/trees/lodgepole_pine.htm

Pinus contorta var. murrayana
- Facts on distribution and occurrence, including ecosystems, plant associations, and habitat. Management considerations, botanical characteristics, and regeneration processes.
- http://www.fs.fed.us/database/feis/plants/tree/pinconm/

Pinus contorta var. latifolia
- Distribution and occurrence, value and use, characteristics, and fire ecology.
- http://www.fs.fed.us/database/feis/plants/tree/pinconl/

Pinus contorta var. contorta
- Information on distribution, management considerations, botanical and ecological characteristics, and fire ecology.
- http://www.fs.fed.us/database/feis/plants/tree/pinconc/