Southwestern White Pine Conifers and Trees of the American West

Southwestern White Pine (Pinus strobiformis). Identification Bark: Cones: Needles: Size: Tree Gallery  

Ponderosa Pine

Pinus jeffreyi (Jeffrey Pine): Native Plant Guide

Pinus ponderosa (ponderosa pine) at

Pacific Northwest Native Plant Profile: Pine (Pinus species

One of the oldest, biggest pines in the Pacific Northwest is dead

Southwestern White Pine

Plant Profile: Southwest White Pine - Dyck Arboretum

How to Identify White Pine

Landscape: Dieback of Eastern White Pine Center for Agriculture, Food, and the Environment at UMass Amherst