Annual report : terrestrial baseline studies - Ecology Consultants, inc. (Rio Blanco Oil Shale Project, 1976)

Annual report upon explorations and surveys in the department of the Missouri - Strecker, Herman, 1836 -1901 (1878)

Annual report - Western Society of Malacologists - Western Society of Malacologists. (Western Society of Malacologists, 1978)

Annual technical report of the National Plant Materials Center - National Plant Materials Center (U.S.) (Soil Conservation Service, U.S. Dept. of Agriculture, 1979)

Anzeiger der Kaiserlichen Akademie der Wissenschaften, Mathematisch-Naturwissenschaftliche Classe - Kaiserl. Akademie der Wissenschaften in Wien. Mathematisch-Naturwissenschaftliche Klasse. (Der Akademie, 1864)

Aphids of the Rocky Mountain region, including primarily Colorado and Utah, but also a bordering area composed of southern Wyoming, southeastern Idaho and northern New Mexico - Palmer, Miriam Augusta, 1878 - (Hirschfield Press], 1952)

Aquilegia - Colorado Native Plant Society. (Colorado Native Plant Society, 1989)

Aquilegia - Colorado Native Plant Society. (Colorado Native Plant Society, 2006)

Aquilegia - Colorado Native Plant Society. (Colorado Native Plant Society, 2014)

Aquilegia - Colorado Native Plant Society. (Colorado Native Plant Society, 2019)

Aquilegia - Colorado Native Plant Society. (Colorado Native Plant Society, 2020)

Aquilegia - Colorado Native Plant Society. (Colorado Native Plant Society, 2021)

Arboreta and botanic gardens : a publication of the Los Angeles County Department of Arboreta and Botanic Gardens - California Arboretum Foundation. (California Arboretum Foundation, 1991)

Arboriculture - International Society of Arboriculture. (International Society of Arboriculture, 1902)

Archiv der Pharmazie - Deutscher Apotheker-Verein. (Deutscher Apotheker-Verein, 1880)

Archiv für Naturgeschichte (Nicolai, 1846)

Archiv für Naturgeschichte (Nicolai, 1879)

Archiv für Naturgeschichte (Nicolai, 1894)

Arnoldia - Arnold Arboretum. (Arnold Arboretum, Harvard University, 1959)

Arnoldia - Arnold Arboretum. (Arnold Arboretum, Harvard University, 1941)

Arnoldia - Arnold Arboretum. (Arnold Arboretum, Harvard University, 1974)

Arnoldia - Arnold Arboretum. (Arnold Arboretum, Harvard University, 1991)

The Asa Gray bulletin - McVaugh, Rogers, 1909 - (1952)

The Asa Gray bulletin - McVaugh, Rogers, 1909 - (1953)

Aspects of nature, in different lands and climates; with scientific elucidations - Humboldt, Alexander von, 1769 -1859 (Longman, Brown, Green, and Longmans, 1849)

Aspects of nature, in different lands and different climates with scientific elucidations - Humboldt, Alexander von, 1769 -1859 (J. Murray, 1849)

Aspects of nature, in different lands and different climates. With scientific elucidations. Translated by Mrs. Sabine - Humboldt, Alexander von, 1769 -1859 (Longman, Brown, Green, and Longmans, 1849)

Aspects of nature, in different lands and different climates; with scientific elucidations - Humboldt, Alexander von, 1769 -1859 (Lea and Blanchard, 1849)

Aspen community types of the Intermountain Region - Intermountain Research Station (Ogden, Utah) (U.S. Dept. of Agriculture, Forest Service, Intermountain Research Station, 1988)

Aspen community types of Utah - Intermountain Research Station (Ogden, Utah) (USDA Forest Service, Intermountain Research Station, 1986)

Aspen management guidelines for BLM lands in north-central Nevada : final report - United States. Bureau of Land Management. (Battle Mountain Field Office, Bureau of Land Management, 2003)

Assessing big sagebrush at multiple spatial scales : an example in southeast Oregon - United States. Bureau of Land Management. (Bureau of Land Management, National Science and Technology Center, 2005)

Assessing the natural range of variability in minimally disturbed wetlands across the Rocky Mountains : the Rocky Mountain ReMAP project - Montana Natural Heritage Program. (Montana Natural Heritage Program, 2012)

Atala - Xerces Society. (Xerces Society, 1973)

Atlas of American agriculture : Advance sheets 1-8 - United States. Department of Agriculture. (Government Printing Office, 1917)

Atlas of United States trees volume 6 Supplement - United States. Forest Service. (U.S. Dept. of Agriculture, Forest Service, 1981)

Atlas of United States trees volume 3 Minor western hardwoods - Little, Elbert L. (Elbert Luther), 1907 -2004 (U.S. Dept. of Agriculture, Forest Service, 1976)

The Auk - American Ornithologists' Union. (American Ornithologists' Union, etc, 1905)

The Auk - American Ornithologists' Union. (American Ornithologists' Union, etc, 1911)

The Auk - American Ornithologists' Union. (American Ornithologists' Union, etc, 1919)

The Auk - American Ornithologists' Union. (American Ornithologists' Union, etc, 1920)

Autobiography of John Macoun, M.A. : Canadian explorer and naturalist, assistant director and naturalist to the Geological Survey of Canada, 1831-1920 - Macoun, John, 1831 -1920 (Ottawa Field-Naturalists' Club, 1922)

Autumn,1933 spring, 1934 catalogue of Rockmont Nursery : new or noteworthy plants, flowers for the rock garden, iris, phlox, seeds, shrubs and hardi cacti : new low prices - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (D.M. Andrews, 1933)

Average biomass of four Northwest shrubs by fuel size class and crown cover - Pacific Northwest Forest; Range Experiment Station (Portland, Or.) (U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station, 1981)

Baseline survey for Astragalus barrii Barneby (Barr's milkvetch) and Physaria didymocarpa var. lanata A. Nels (wooly twinpod) in eastern Big Horn and southwestern Rosebud Counties, Montana - United States. Bureau of Land Management. (Montana Natural Heritage Program, 2002)

Basic horticulture - Gardner, Victor Ray, 1885 - (The Macmillan company, 1942)

Beartooth-Absaroka wildlife-mining research : Federal Aid to Fish and Wildlife Restoration Project FW-2-R-5, Montana Department of Fish and Game, Environment and Information Division, final report, June 1977 - Stewart, Phillip A. ([Montana Dept. of Fish and Game?], 1977)

Beautiful native plants : from the high plains, Badlands and Black Hills, 1958 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Claude A. Barr, 1958)

Beautiful native plants : from the high plains, Badlands and Black Hills, 1959 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Claude A. Barr, 1959)

Beautiful native plants from the High Plains, Badlands and Black Hills, 1948 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Claude A. Barr, 1948)

Beautiful native plants from the High Plains, Badlands and Black Hills, 1943 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Claude A. Barr, 1943)

Beaverhead-Deerlodge National Forest noxious weed control : final environmental impact statement and record of decision - United States. Forest Service. Northern Region. (U.S. Dept. of Agriculture, Forest Service, Northern Region, 2002)

Beaverhead-Deerlodge National Forest Tobacco Root vegetation management plan : draft environmental impact statement, Madison County, Montana - Beaverhead-Deerlodge National Forest (Agency : U.S.) (USDA, Forest Service, Beaverhead-Deerlodge National Forest, 1999)

Behavior of mule deer on the Keating Winter Range - Pacific Northwest Research Station (Portland, Or.) (U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station, 1987)

Behavioral ecology and habitat relationships of long-billed curlew in western Idaho - United States. Bureau of Land Management. Boise District Office. (U.S. Department of the Interior, Bureau of Land Management, 1981)

Beihefte zum botanischen Centralblatt (Verlag von Gebrüder Gotlhelft, 1893)

Beihefte zum Botanischen Centralblatt Abteilung B Systematik, Pflanzengeographie, angewandte Botanik, etc (Verlag von C. Heinrich, 1893)

Beihefte zum botanischen Centralblatt (Verlag von Gebrüder Gotlhelft, 1897)

Beihefte zum botanischen Centralblatt (Verlag von Gebrüder Gotlhelft, 1900)

Beihefte zum Botanischen Centralblatt Abteilung B Systematik, Pflanzengeographie, angewandte Botanik, etc (Verlag von C. Heinrich, 1897)

Beihefte zum Botanischen Centralblatt Abteilung B Systematik, Pflanzengeographie, angewandte Botanik, etc (Verlag von C. Heinrich, 1898)

Beihefte zum Botanischen Centralblatt Abteilung B Systematik, Pflanzengeographie, angewandte Botanik, etc (Verlag von C. Heinrich, 1899)

Beneficial grazing management practices for sage-grouse (Centrocercus urophasianus) and ecology of silver sagebrush (Artemisia cana Pursh subsp. cana) in southeastern Alberta : final report - January 2004 - Alberta. Alberta Sustainable Resource Development. (Alberta Sustainable Resource Development, Public Lands and Forests Division, 2004)

Between-year movements and nest burrow use by burrowing owls in southwestern Idaho 1996 annual report - United States. Agricultural Research Service. (Idaho Bureau of Land Management, 1997)

Bibliography of cultivated trees and shrubs hardy in the cooler temperate regions of the Northern Hemisphere - Rehder, Alfred, 1863 -1949 (Arnold Arboretum of Harvard Univ, 1949)

Bibliography of Forest Service range, wildlife and fish habitat, and related research publications : 1977-89 - United States. Forest Service. (U.S. Dept. of Agriculture, Forest Service, 1990)

Bibliography of the more important contributions to American economic entomology - United States. Bureau of Entomology. (Govt. print. off, 1889)

Bibliography of the more important contributions to American economic entomology - United States. Bureau of Entomology. (Govt. print. off, 1890)

Big sagebrush shrub-steppe postfire succession in southwest Montana - Lesica, Peter. (Montana Natural Heritage Program, 2005)