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The blue spruce (Picea pungens), also commonly known as Colorado spruce or Colorado blue spruce, is a species of spruce tree native to North America in Arizona, Colorado, Idaho, New Mexico, Utah and Wyoming. [4] It is noted for its blue-green colored needles, and has therefore been used as an ornamental tree in many places far beyond its native ...
Picea engelmannii is a medium-sized to large evergreen tree growing to 25–40 metres (82–131 feet) tall, exceptionally to 65 m (213 ft) tall, and with a trunk diameter of up to 1.5 m (4 ft 11 in). The reddish bark is thin and scaly, [ 6 ] flaking off in small circular plates 5–10 centimetres (2–4 in) across.
A group of ponderosa pine trees. Ponderosa pine forests occurs on the Colorado Plateau [7] and in the Sierra Nevada [8] of the Western United States, as well as other parts of North America. One way to distinguish between them is by their cones. Each has barbs at the end of the scales.
Prunus caroliniana is a small to medium-sized evergreen tree that grows to approximately 5–13 meters (16–43 feet) tall, with a spread of about 6–9 m (20–30 ft). ). The leaves are dark green, alternate, shiny, leathery, elliptic to oblanceolate, 5–12 centimeters (2– 4 + 1 ⁄ 2 inches) long, usually with an entire (smooth) margin, but occasionally serrulate (having subtle serrations ...
Abies concolor, the white fir, concolor fir, or Colorado fir, is a coniferous tree in the pine family Pinaceae. This tree is native to the mountains of western North America, including the Sierra Nevada and southern Rocky Mountains, and into the isolated mountain ranges of southern Arizona, New Mexico, and Northern Mexico. It naturally occurs ...
The pinyon or piñon pine group grows in southwestern North America, especially in New Mexico, Colorado, Arizona, and Utah, with the single-leaf pinyon pine just reaching into southern Idaho. The trees yield edible nuts, which are a staple food of Native Americans, and widely eaten as a snack and as an ingredient in New Mexican cuisine.
The Colorado pinyon (piñon) grows as the dominant species on 4.8 million acres (19,000 km 2 or 7,300 sq mi) in Colorado, making up 22% of the state's forests. The Colorado pinyon has cultural meaning to agriculture, as strong piñon wood "plow heads" were used to break soil for crop planting at the state's earliest known agricultural settlements.
Arbutus menziesii, or Pacific madrone (commonly madrone or madrona in the United States and arbutus in Canada), is a species of broadleaf evergreen tree in the family Ericaceae. It has waxy foliage, a contorted growth habit, and flaky bark. It is native to the western coastal areas of North America, from British Columbia to California.