Whitebark pines grow throughout the Northern Rockies of the United States, the Southern Rockies of Canada, and in the Cascades and Sierras. Thriving in harsh and rocky areas, they can be found at tree line in subalpine regions, often exposed to high winds and weather.

Where are whitebark pine found?

Whitebark pine (Pinus albicaulis)

Location: Whitebark pine is typically found in cold, windy, high elevation or high latitude sites in western North America and as a result, many stands are geographically isolated. It is a stress-tolerant pine and its hardiness allows it to grow where other conifer species cannot.

Where does whitebark pine live in Montana?

Whitebark pine is a common component of subalpine forests and a dominant species of treeline and krummholtz habitats. It occurs in almost all major mountain ranges of western and central Montana.

How do you identify whitebark pine?

The best way to tell the two trees apart is through their cones. During the growing season limber pine cones are green and oblong. Whitebark pine cones are purple and spherical.

What is the whitebark pine used for?

Whitebark pines stabilize steep slopes, influence the amount of snow melt by sustaining snow drifts, and provide critical food, cover and shelter for many species of wildlife.

Whitebark Pines: Endangered Trees

What animals eat whitebark pine?

Squirrels also do the bears the favor of concentrating cones in large caches in middens of spongy cone debris accumulated over many years of squirrel activity. Whitebark pine seeds are an important food for grizzly bears (Ursus arctos) and black bears (U. americanus) wherever whitebark pine is common.

How old is whitebark pine?

Individual whitebark pines have been known to live 400 to 1,000 years and can grow to over 90 feet in height, but today, their survival as a species is jeopardized by mountain pine beetle outbreaks, altered fire regimes, climate change and a fungal infection called white pine blister rust.

How do you identify a bristlecone pine?

The best way to distinguish the Great Basin Bristlecone pine from the Limber pine is to look at the needles, which on the bristlecones are about one-inch-long and grow in packets of five. The needles completely surround the branches in tightly-bunched tufts.

How do whitebark pines reproduce?

Clark's nutcrackers each cache about 30,000 to 100,000 seeds each year in small, widely scattered caches, usually under 2 to 3 cm (3⁄4 to 11⁄4 in) of soil or gravelly substrate. ... Consequently, whitebark pine often grows in clumps of several trees, originating from a single cache of two to 15 or more seeds.

What are two characteristics of the whitebark pine?

Whitebark pine can grow to 12–18 m tall (40–60 ft) and, rarely, up to 1.5 m (5 ft) in diameter. They are shorter, or even shrub-like, in Krummholz form, at higher, windier elevations. The bark is thin, scaly, and grayish. Their needles are 4–10 cm long (1.5–3 in), in clumps of 5 at the ends of upswept branches.

Does white pine grow in Montana?

Distribution: Western White Pine is native to southern British Columbia, western Washington, northern Idaho, western Montana, the Cascade Mountains of Oregon and the Sierras of California. Growth: They are fast growing when young and may grow 1½-2 feet (45-60cm) in a year.

What bird has a beak that was made to eat the cones of a white bark pine?

High in the mountains of the West, gray-and-black Clark's Nutcrackers swoop among wizened pine trees, flashing white in the tail and wing. They use their dagger-like bills to rip into pine cones and pull out large seeds, which they stash in a pouch under their tongue and then carry away to bury for the winter.

What kind of pine trees are in Yellowstone?

Forests cover roughly 80% of the park. Lodgepole pine, Engelmann spruce, subalpine fir, whitebark pine, and limber pine are found at higher elevations. Though ubiquitous throughout the park, Douglas-fir is particularly abundant in the northern region. Their thick bark enable them to tolerate low-intensity fire.

Whats killing the pine trees in Wyoming?

The mountain pine beetle is a true predator on many western pine trees because to successfully reproduce, the beetles must kill host trees. ... Attacked lodgepole pine trees cut a gray and brown swath through the Medicine Bow National Forest in southeastern Wyoming. Photo: National Agriculture Imagery Program.

What was causing the decline of the whitebark pines?

Although fire suppression and mountain pine beetle have taken a toll on the whitebark pine, the primary cause in their decline is from the presence of white pine blister rust, an invasive fungal disease from Europe.

Can you buy bristlecone pine?

Cold Stream Farm supplies Bristlecone Pine trees which are grown as bare root seedlings and transplants and sold both wholesale and retail with no minimum order.

How do you grow bristlecone pines?

Bristlecone pine tree growing is not difficult. These native trees accept most soils including poor soil, rocky soil, alkaline soil or acidic soil. Don't try planting bristlecone pine trees in areas with clay soil, however, since good drainage is essential. Bristlecone pines in landscapes also need full sun.

How many bristlecone pines are there?

There are two species of true bristlecone pine, the Great Basin Bristlecone Pines of California and the Rocky Mountain Bristlecone Pines of Colorado. The two bristlecone pine species have a closely related cousin, the Foxtail Pine, which was included on this list.

What are the major causes of high levels of mortality in whitebark pine?

In addition, we found evidence that smaller size class trees with white pine blister rust infection experienced higher mortality than larger trees. This latter finding suggests that in the coming decades white pine blister rust may become the most probable cause of whitebark pine mortality.

What factors limit the success of the whitebark pines?

Limiting factors and threats

Whitebark Pine is imminently and severely threatened throughout its range by four human-influenced factors: White Pine Blister Rust (an introduced species), Mountain Pine Beetle, fire exclusion, and climate change.

How important is whitebark pine to grizzly bears?

As it turns out, the seed cones of the whitebark pine are extremely rich in protein, fats, and carbohydrates. All the things a grizzly bear needs to grow healthy and strong, all packed into one food source.

What eats whitebark pine in Yellowstone?

Many birds and mammals, such as Clark's nutcrackers and red squirrels, eat and cache whitebark pine nuts. Red squirrels create especially large caches of whitebark pine nuts and cones. The large caches, termed middens, may be used for many years and may contain well more than 1,000 nut-bearing cones.

What can be done to help whitebark pine thus helping Grizzlies?

• Participate in a Ranger Program.
• Explore Thermal Basins.
• Watch Wildlife.
• Hike a Trail.
• Take Photographs.
• Camp in the Backcountry. Allowed Bear-Resistant Food Storage Containers. Winter Backcountry Camping.
• Catch a Fish. Fishing Permit Vendors. Fish in Yellowstone's Northwest. ...
• Boat on a Lake. Clean, Drain, and Dry.