Booth, W.E. (1950). Flora of Montana, Part I Conifers and Monocots. Bozeman, Montana: The Research Foundation at Montana State College.
Kavanaugh, James (2005). Montana Trees & Wildflowers: An Introduction to Familiar Species. Waterford Press. ISBN1-58355-293-6.
Little, E.L. Jr. (1979). Checklist of United States trees (native and naturalized). Agriculture Handbook No. 541. Washington, D.C: U.S. Forest Service.
Petrides, George A. (1992). A Field Guide to Western Trees. Western United States and Canada. Roger Tory Peterson Field Guides 50th Anniversary Edition. Norwalk, CT: Easton Press.
↑ Lott, J.; Liu, J.; Pennell, K.; Lesage, A.; West, M. (2002). "Iron-rich particles and globoids in embryos of seeds from phyla Coniferophyta, Cycadophyta, Gnetophyta, and Ginkgophyta: characteristics of early seed plants". Canadian Journal of Botany. 80 (9): 954–961. doi:10.1139/b02-083.
The Douglas fir is an evergreen conifer species in the pine family, Pinaceae. It is native to western North America and is also known as Douglas-fir, Douglas spruce, Oregon pine, and Columbian pine. There are three varieties: coast Douglas-fir, Rocky Mountain Douglas-fir and Mexican Douglas-fir.
Conifers are a group of cone-bearing seed plants, a subset of gymnosperms. Scientifically, they make up the division Pinophyta, also known as Coniferophyta or Coniferae. The division contains a single extant class, Pinopsida. All extant conifers are perennial woody plants with secondary growth. The great majority are trees, though a few are shrubs. Examples include cedars, Douglas-firs, cypresses, firs, junipers, kauri, larches, pines, hemlocks, redwoods, spruces, and yews. The division Pinophyta contains seven families, 60 to 65 genera, and more than 600 living species.
The Klamath Mountains are a rugged and lightly-populated mountain range in northwestern California and southwestern Oregon in the western United States. As a mountain system within both the greater Pacific Coast Ranges and the California Coast Ranges, the Klamath Mountains have a varied geology, with substantial areas of serpentinite and marble, and a climate characterized by moderately cold winters with very heavy snowfall and warm, very dry summers with limited rainfall, especially in the south. As a consequence of the geology and soil types, the mountains harbor several endemic or near-endemic trees, forming one of the largest collections of conifers in the world. The mountains are also home to a diverse array of fish and animal species, including black bears, large cats, owls, eagles, and several species of Pacific salmon. Millions of acres in the mountains are managed by the United States Forest Service. The northernmost and largest sub-range of the Klamath Mountains are the Siskiyou Mountains.
A conifer cone or pinecone is a seed-bearing organ on gymnosperm plants. It is usually woody, ovoid to globular, including scales and bracts arranged around a central axis, especially in conifers and cycads. The cone of Pinophyta contains the reproductive structures. The woody cone is the female cone, which produces plants. The male cone, which produces pollen, is usually herbaceous and much less conspicuous even at full maturity. The name "cone" derives from Greek konos, which also gave name to the geometric cone. The individual plates of a cone are known as scales. The umbo of a conifer cone refers to the first year's growth of a seed scale on the cone, showing up as a protuberance at the end of the two-year-old scale.
Klehm Arboretum & Botanic Garden is a nonprofit arboretum and botanical garden located at 2715 South Main Street, Rockford, Illinois.
The Northern Anatolian conifer and deciduous forests is a temperate coniferous forests ecoregion located in northern Anatolia, Turkey.
The plant pathogenic fungus Leucostoma kunzei is the causal agent of Leucostoma canker, a disease of spruce trees found in the Northern Hemisphere, predominantly on Norway spruce and Colorado blue spruce. This disease is one of the most common and detrimental stem diseases of Picea species in the northeastern United States, yet it also affects other coniferous species. Rarely does it kill its host tree; however, the disease does disfigure by killing host branches and causing resin exudation from perennial lesions on branches or trunks.
The term Marble Mountains is a common term for the northwestern portion of the Salmon Mountains range in northwestern California. The Salmon Mountains are themselves a sub-range of the Klamath Mountains, which are a constituent part of the greater Northwest U.S. Coast Ranges. The local name derives from Marble Mountain and Black Marble Mountain, prominent peaks and the namesake of the surrounding Marble Mountain Wilderness Area. The term "Marble Mountains" is commonly applied not only to the ridges of Marble Mountain and Black Marble Mountain themselves but as a name for the northwestern ranges of the Salmon Mountains.
The Klamath Mountains ecoregion of Oregon and California lies inland and north of the Coast Range ecoregion, extending from the Umpqua River in the north to the Sacramento Valley in the south. It encompasses the highly dissected ridges, foothills, and valleys of the Klamath and Siskiyou Mountains. It corresponds to the Level III ecoregion designated by the Environmental Protection Agency and to the Klamath-Siskiyou forests ecoregion designated by the World Wide Fund for Nature.
The Ecology of the North Cascades is heavily influenced by the high elevation and rain shadow effects of the mountain range. The North Cascades is a section of the Cascade Range from the South Fork of the Snoqualmie River in Washington, United States, to the confluence of the Thompson and Fraser Rivers in British Columbia, Canada, where the range is officially called the Cascade Mountains but is usually referred to as the Canadian Cascades. The North Cascades Ecoregion is a Level III ecoregion in the Commission for Environmental Cooperation's classification system.
Russian Peak is part of a sub-range of the Klamath Mountains called the Salmon Mountains—a horseshoe-shaped range encompassing the headwaters of the Salmon River. The mountain itself is part of the granitic Russian Peak batholith. This beautiful peak is also the highest peak in the Russian Wilderness—12,700 acres (51 km2) of subalpine lakes and botanical wonders.
Protoboarmia porcelaria, the porcelain gray or dash-lined looper, is a Geometrid species of moth found throughout North America, except in the far north. The species was first described by Achille Guenée in 1857.
The Western Himalayan subalpine conifer forests is a temperate coniferous forests ecoregion of the middle and upper elevations of the western Middle Himalayas of Nepal, India, and Pakistan.
The ecology of the Rocky Mountains is diverse due to the effects of a variety of environmental factors. The Rocky Mountains are the major mountain range in western North America, running from the far north of British Columbia in Canada to New Mexico in the southwestern United States, climbing from the Great Plains at or below 1,800 feet (550 m) to peaks of over 14,000 feet (4,300 m). Temperature and rainfall varies greatly also and thus the Rockies are home to a mixture of habitats including the alpine, subalpine and boreal habitats of the Northern Rocky Mountains in British Columbia and Alberta, the coniferous forests of Montana and Idaho, the wetlands and prairie where the Rockies meet the plains, a different mix of conifers on the Yellowstone Plateau in Wyoming, the montane forests of Utah, and in the high Rockies of Colorado and New Mexico, and finally the alpine tundra of the highest elevations.
The North Central Rockies forests is a temperate coniferous forest ecoregion of Canada and the United States. This region overlaps in large part with the North American inland temperate rainforest and gets more rain on average than the South Central Rockies forests and is notable for containing the only inland populations of many species from the Pacific coast.
There are 62 named Ecological Systems found in Montana These systems are described in the Montana Field Guides-Ecological Systems of Montana.
The Carpathian montane conifer forests, also known as Carpathian montane forests, is a temperate coniferous forests ecoregion in the Carpathian Mountains of the Czech Republic, Poland, Slovakia, Romania, and Ukraine.
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