Pinus flexilis
- Description and images of Limber Pine of western North America.
- http://www.conifers.org/pi/pin/flexilis.htm

Pinus flexilis (Limber pine)
- Features photos of entire tree, leaves, and cone. Describes physical characteristics and habitat.
- http://www.for.gov.bc.ca/hfd/library/documents/treebook/limberpine.htm