Yellow pine

At higher elevations, on poorer (including ultramafic) soils, in colder climates, and in drier climates, Jeffrey pine replaces ponderosa as the dominant tree (Jeffrey pine forest).

[1] Ponderosa pine forests occurs on the Colorado Plateau[4] and in the Sierra Nevada[2] of the Western United States, as well as other parts of North America.

Ponderosa pine cone scale barbs point outward, so feel sharp and prickly to the palm of one's hands.

[3] These yellow pines grow very well in the acidic red clay soil found in most of the region.

The wood from the southern yellow pines typically has a density value between 50 and 55 lb/cu ft (0.80 and 0.88 g/cm3) when pressure treated.

[7][8] Dimensional lumber and plywood products manufactured from southern yellow pine are used extensively in home construction in the United States.