1903 wholesale catalogue of the leading specialties in plants, shrubs and hardy mountain cacti : indigenous to the Rocky Mountains of Colorado - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (D.M. Andrews, 1903)

1915 catalog - Andrews, D. M. (Rockmont Nursery, 1915)

1915 catalog - Andrews, D. M. (Rockmont Nursery, 1915)

1926 catalogue of Rockmont Nursery including new or noteworthy plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (D.M. Andrews, 1926)

1927 catalogue of Rockmont Nursery including new or noteworthy plants - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (D.M. Andrews, 1927)

2002 list of ecological comm[u]nities for Montana - Montana Natural Heritage Program. (Montana Natural Heritage Program, 2002)

The ABC and XYZ of bee culture; a cyclopedia of everything pertaining to the care of the honeybee ... - Root, E. R. (Ernest Rob), 1862 -1953 (A. I. Root Co, 1923)

Account of an expedition from Pittsburgh to the Rocky Mountains, performed in the years 1819 and '20 : by order of the Hon. J.C. Calhoun, sec'y of war: under the command of Major Stephen H. Long. From the notes of Major Long, Mr. T. Say, and other gentlemen of the exploring party - Say, Thomas, 1787 -1834 (H.C. Carey and I. Lea, 1823)

Acta Botánica Mexicana - Instituto de Ecología, A C. (Instituto de Ecología, A C, 1994)

The American entomologist and botanist ([s.n.], 1870)

American fern journal - American Fern Society. (American Fern Society, 1914)

American forest trees, by Henry H. Gibson - Maxwell, Hu, 1860 -1927 (Hardwood record, 1913)

American forest trees, by Henry H. Gibson - Maxwell, Hu, 1860 -1927 (Hardwood record, 1913)

American forest trees, by Henry H. Gibson - Maxwell, Hu, 1860 -1927 (Hardwood record, 1913)

American forest trees, by Henry H. Gibson - Maxwell, Hu, 1860 -1927 (Hardwood record, 1913)

American forest trees, by Henry H. Gibson - Maxwell, Hu, 1860 -1927 (Hardwood record, 1913)

American forest trees, by Henry H. Gibson - Maxwell, Hu, 1860 -1927 (Hardwood record, 1913)

American forest trees - Maxwell, Hu, 1860 -1927 (Hardwood Record, 1913)

American forest trees - Maxwell, Hu, 1860 -1927 (Hardwood Record, 1913)

American forest trees - Maxwell, Hu, 1860 -1927 (Hardwood Record, 1913)

The American journal of science and arts - Silliman, Benjamin, 1779 -1864 (S. Converse, 1843)

The American journal of science and arts - Silliman, Benjamin, 1779 -1864 (S. Converse, 1843)

The American journal of science and arts - Silliman, Benjamin, 1779 -1864 (S. Converse, 1879)

The American naturalist - American Society of Naturalists. (Published for the American Society of Naturalists by the University of Chicago Press [etc.], 1869)

The American naturalist - American Society of Naturalists. (Published for the American Society of Naturalists by the University of Chicago Press [etc.], 1869)

The American naturalist - American Society of Naturalists. (Published for the American Society of Naturalists by the University of Chicago Press [etc.], 1869)

The American naturalist - American Society of Naturalists. (Published for the American Society of Naturalists by the University of Chicago Press [etc.], 1869)

The American naturalist - American Society of Naturalists. (Published for the American Society of Naturalists by the University of Chicago Press [etc.], 1886)

The American naturalist - American Society of Naturalists. (Published for the American Society of Naturalists by the University of Chicago Press [etc.], 1894)

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The American naturalist - American Society of Naturalists. (Published for the American Society of Naturalists by the University of Chicago Press [etc.], 1902)

American plants ... [Descriptions, bibliographical notes, synonymy, and other information, comp. from many sources] - Orcutt, Charles Russell, 1864 -1929 (1907)

The American woods : exhibited by actual specimens and with copious explanatory text - Hough, Romeyn Beck, 1857 -1924 (Pub., and sections prepared by the author, 1910)

Ames forester - Iowa State College. Forestry Club. (The Forestry club of the Iowa state college, 1913)

An analytical key to some of the common flowering plants of the Rocky Mountain Region - Nelson, Aven, 1859 -1952 (D. Appleton and Company, 1902)

An analytical key to some of the common flowering plants of the Rocky Mountain Region - Nelson, Aven, 1859 -1952 (D. Appleton and Company, 1902)

Animal and plant life in Oklahoma - Oklahoma Geological Survey. (1917)

Annales des sciences naturelles Botanique (Fortin, Masson, 1879)

Annales du Musée d'histoire naturelle de Marseille, published aux frais de la ville ... - Musée d'histoire naturelle de Marseille. (1904)

Annals of the Carnegie Museum - Carnegie Museum (Published by authority of the Board of Trustees of the Carnegie Institute, 1937)

Annals of the Carnegie Museum - Carnegie Museum (Published by authority of the Board of Trustees of the Carnegie Institute, 1937)

Annals of the Carnegie Museum - Carnegie Museum (Published by authority of the Board of Trustees of the Carnegie Institute, 1937)

Annals of the Carnegie Museum - Carnegie Museum (Published by authority of the Board of Trustees of the Carnegie Institute, 1937)

Annals of the Entomological Society of America - Entomological Society of America (Entomological Society of America, 1913)

Annals of the Entomological Society of America - Entomological Society of America (Entomological Society of America, 1913)

Annals of the Entomological Society of America - Entomological Society of America (Entomological Society of America, 1913)

Annals of the Entomological Society of America - Entomological Society of America (Entomological Society of America, 1913)

Annals of the Lyceum of Natural History of New York - Lyceum of Natural History (New York, N.Y.) (1828)

Annals of the Missouri Botanical Garden - Missouri Botanical Garden. (Missouri Botanical Garden Press, 1931)

Annals of the Missouri Botanical Garden - Missouri Botanical Garden. (Missouri Botanical Garden Press, 1931)

Annals of the Missouri Botanical Garden - Missouri Botanical Garden. (Missouri Botanical Garden Press, 1976)

Annals of the Missouri Botanical Garden - Missouri Botanical Garden. (Missouri Botanical Garden Press, 1986)

Annals of the New York Academy of Sciences - New York Academy of Sciences. (New York Academy of Sciences, 1883)

Annual price list 1917 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (D.M. Andrews, 1917)

Annual report. United States Geological and Geographical Survey of the Territories. 1st-12th, 1867-1878 - Geological; Geographical Survey of the Territories (U.S.) (Govt. Print. Off, 1870)

Annual report of Captain A.A. Humphreys, topographical engineers, in charge of Office of Explorations and Surveys, War Department, December, 1858 - Humphreys, A. A. 1810 -1883 (1859)

Annual report of the Agricultural Experiment Station - Cornell University. Agricultural Experiment Station. (The University, 1892)

Annual report of the Agricultural Experiment Station - Cornell University. Agricultural Experiment Station. (The University, 1894)

Annual report of the Agricultural Experiment Station - Cornell University. Agricultural Experiment Station. (The University, 1894)

Annual report of the Agricultural Experiment Station - Cornell University. Agricultural Experiment Station. (The University, 1894)

Annual report of the Agricultural Experiment Station - Cornell University. Agricultural Experiment Station. (The University, 1894)

Annual report of the Bureau of American Ethnology to the Secretary of the Smithsonian Institution - Smithsonian Institution. (U. S. Govt. Print. Off, 1916)

Annual report of the Bureau of American Ethnology to the Secretary of the Smithsonian Institution - Smithsonian Institution. (U. S. Govt. Print. Off, 1916)

Annual report of the Bureau of American Ethnology to the Secretary of the Smithsonian Institution - Smithsonian Institution. (U. S. Govt. Print. Off, 1916)

Annual report of the Bureau of American Ethnology to the Secretary of the Smithsonian Institution - Smithsonian Institution. (U. S. Govt. Print. Off, 1915)

Annual report of the Minnesota State Horticultural Society - Minnesota State Horticultural Society. (The Society, 1883)

Annual report of the Nebraska State Horticultural Society - Nebraska State Horticultural Society. (The Society, 1905)

Annual report of the Nebraska State Horticultural Society - Nebraska State Horticultural Society. (The Society, 1906)

Annual report of the Secretary of the Board of Agriculture - Massachusetts. State Board of Agriculture. (The Board, 1853)

Annual report of the Secretary of the State Board of Agriculture of the State of Michigan - Michigan State College. Agricultural Experiment Station. (The Board, 1862)

Annual report of the United States Geological Survey to the Secretary of the Interior - Geological Survey (U.S.) (G.P.O, 1898)

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

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

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)

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)

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)

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)

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)

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)

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)

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)

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)

Aquatic and wetland plants of southwestern United States - Correll, Donovan Stewart, 1908 -1983 (Environmental Protection Agency; [For sale by the Supt. of Docs., U.S. Govt. Print. Off.], 1972)

Aquilegia - Colorado Native Plant Society. (Colorado Native Plant Society, 2002)

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

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)

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

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

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

Arbres d'ornement - Canada. Agriculture Canada (Agriculture Canada, 1980)

Archiv für Naturgeschichte Abteilung B (Nicolai, 1914)

Archiv für Naturgeschichte Abteilung B (Nicolai, 1914)

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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)

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

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

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

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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)

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Biennial report - Montana. State Forester. (1920)

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Binomial and trinomial index to The auk, 1884-1940, also including the Nuttall bulletin, 1876-1883, and the A.O.U. check-list of North American birds (all seven editions) - Pollock, Andrew W. ([Andrew W. Pollock III], 2015)

Binomial and trinomial index to The auk, 1884-1940, also including the Nuttall bulletin, 1876-1883, and the A.O.U. check-list of North American birds (all seven editions) - Pollock, Andrew W. ([Andrew W. Pollock III], 2015)

Biologia Centrali-Americana :zoology, botany and archaeology - Godman, Frederick Du Cane, 1834 -1919 (Published for the editors by R. H. Porter], 1886)

A biological reconnaissance in the vicinity of Flathead Lake - Elrod, Morton J. (Morton John), 1863 -1953 (University of Montana, 1902)

A biological reconnaissance in the vicinity of Flathead Lake - Elrod, Morton J. (Morton John), 1863 -1953 (University of Montana, 1902)

A biological reconnaissance in the vicinity of Flathead Lake - Elrod, Morton J. (Morton John), 1863 -1953 (University of Montana, 1902)

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Botanical gazette ([publisher not identified], 1905)

Botanical gazette ([publisher not identified], 1906)

Botanical gazette ([publisher not identified], 1907)

Botanical gazette ([publisher not identified], 1907)

Botanical gazette ([publisher not identified], 1907)

Botanical gazette ([publisher not identified], 1907)

Botanical gazette ([publisher not identified], 1907)

Botanical gazette ([publisher not identified], 1910)

Botanical gazette ([publisher not identified], 1910)

Botanical gazette ([publisher not identified], 1910)

Botanical gazette ([publisher not identified], 1912)

Botanical gazette ([publisher not identified], 1917)

Botanical gazette ([publisher not identified], 1919)

Botanical gazette ([publisher not identified], 1919)

Botanical outlines of the country marched over by the seventh United States Cavalry, during the summer of 1877 - Havard, Valery, 1846 -1927 (G.P.O, 1878)

Botanical outlines of the country marched over by the seventh United States Cavalry, during the summer of 1877 - Havard, Valery, 1846 -1927 (G.P.O, 1878)

Botanical survey of the Alkali Lake area, Blackfeet Nation - U.S. Fish; Wildlife Service (Montana Natural Heritage Program, 1997)

Botanische Jahrbücher fur Systematik, Pflanzengeschichte und Pflanzengeographie - Engler, Adolf, 1844 -1930 (Schweizerbart [etc.], 1881)

Botanische Jahrbücher fur Systematik, Pflanzengeschichte und Pflanzengeographie - Engler, Adolf, 1844 -1930 (Schweizerbart [etc.], 1881)

Botanische Jahrbücher fur Systematik, Pflanzengeschichte und Pflanzengeographie - Engler, Adolf, 1844 -1930 (Schweizerbart [etc.], 1882)

Botanische Jahrbücher fur Systematik, Pflanzengeschichte und Pflanzengeographie - Engler, Adolf, 1844 -1930 (Schweizerbart [etc.], 1882)

Botanische Jahrbücher fur Systematik, Pflanzengeschichte und Pflanzengeographie - Engler, Adolf, 1844 -1930 (Schweizerbart [etc.], 1882)

Botanische Jahrbücher fur Systematik, Pflanzengeschichte und Pflanzengeographie - Engler, Adolf, 1844 -1930 (Schweizerbart [etc.], 1882)

Botanische Zeitung - Mohl, Hugo von, 1805 -1872 (A. Förstner, 1893)

Botanischer Jahresbericht - Just, Johann Leopold, 1841 -1891 (Gebr. Borntraeger, 1878)

Botanischer Jahresbericht - Just, Johann Leopold, 1841 -1891 (Gebr. Borntraeger, 1879)

Botanischer Jahresbericht - Just, Johann Leopold, 1841 -1891 (Gebr. Borntraeger, 1879)

Botanischer Jahresbericht - Just, Johann Leopold, 1841 -1891 (Gebr. Borntraeger, 1882)

Botanischer Jahresbericht - Just, Johann Leopold, 1841 -1891 (Gebr. Borntraeger, 1882)

Botanisches Zentralblatt; referierendes Organ für das Gesamtgebiet der Botanik - Association internationale des botanistes. (G. Fischer [etc.], 1882)

Botanisches Zentralblatt; referierendes Organ für das Gesamtgebiet der Botanik - Association internationale des botanistes. (G. Fischer [etc.], 1884)

Botanisches Zentralblatt; referierendes Organ für das Gesamtgebiet der Botanik - Association internationale des botanistes. (G. Fischer [etc.], 1894)

Botanisches Zentralblatt; referierendes Organ für das Gesamtgebiet der Botanik - Association internationale des botanistes. (G. Fischer [etc.], 1898)

Botanisches Zentralblatt; referierendes Organ für das Gesamtgebiet der Botanik - Association internationale des botanistes. (G. Fischer [etc.], 1901)

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Botany : I. Lower Cryptogamia. II. Phanerogamia of the Pacific Coast of North America - Gray, Asa, 1810 -1888 (Printed by C. Sherman, 1874)

Botany : I. Lower Cryptogamia. II. Phanerogamia of the Pacific Coast of North America - Gray, Asa, 1810 -1888 (Printed by C. Sherman, 1874)

Brigham Young University science bulletin Biological series - Brigham Young University. (Brigham Young University, 1967)

Brigham Young University science bulletin Biological series - Brigham Young University. (Brigham Young University, 1970)

Brigham Young University science bulletin Biological series - Brigham Young University. (Brigham Young University, 1970)

Brigham Young University science bulletin Biological series - Brigham Young University. (Brigham Young University, 1970)

Brigham Young University science bulletin Biological series - Brigham Young University. (Brigham Young University, 1970)

Brigham Young University science bulletin Biological series - Brigham Young University. (Brigham Young University, 1970)

Brigham Young University science bulletin Biological series - Brigham Young University. (Brigham Young University, 1970)

Brigham Young University science bulletin Biological series - Brigham Young University. (Brigham Young University, 1970)

Brigham Young University science bulletin Biological series - Brigham Young University. (Brigham Young University, 1970)

Brigham Young University science bulletin Biological series - Brigham Young University. (Brigham Young University, 1973)

Brigham Young University science bulletin Biological series - Brigham Young University. (Brigham Young University, 1973)

Brigham Young University science bulletin Biological series - Brigham Young University. (Brigham Young University, 1973)

Budd's flora of the Canadian Prairie Provinces (Research Branch, Agriculture Canada, 1987)

Bulletin - United States National Museum (G.P.O, 1907)

Bulletin - United States National Museum (G.P.O, 1907)

Bulletin - United States National Museum (G.P.O, 1907)

Bulletin - United States National Museum (G.P.O, 1907)

Bulletin - Colorado Agricultural Experiment Station (Colorado State University Experiment Station, 1892)

Bulletin - Colorado Agricultural Experiment Station (Colorado State University Experiment Station, 1892)

Bulletin - Colorado Agricultural Experiment Station (Colorado State University Experiment Station, 1892)

Bulletin - Colorado Agricultural Experiment Station (Colorado State University Experiment Station, 1892)

Bulletin - Colorado Agricultural Experiment Station (Colorado State University Experiment Station, 1905)

Bulletin - United States National Museum (G.P.O, 1968)

Bulletin - United States National Museum (G.P.O, 1968)

Bulletin - United States National Museum (G.P.O, 1968)

Bulletin - United States National Museum (G.P.O, 1968)

Bulletin - United States National Museum (G.P.O, 1968)

Bulletin - Colorado Agricultural Experiment Station (Colorado State University Experiment Station, 1917)

Bulletin - Biological Survey - United States. Bureau of Biological Survey. (Govt. print. off, 1911)

Bulletin - Biological Survey - United States. Bureau of Biological Survey. (Govt. print. off, 1911)

Bulletin de la Société dendrologique de France - Société dendrologique de France. (Socit dendrologique de France, 1906)

Bulletin of the Brooklyn Entomological Society - Brooklyn Entomological Society (The Society, 1930)

Bulletin of the Brooklyn Entomological Society - Brooklyn Entomological Society (The Society, 1930)

Bulletin of the Brooklyn Entomological Society - Brooklyn Entomological Society (The Society, 1947)

The Bulletin of the Native Plant Society of Oregon - Native Plant Society of Oregon. (The Society, 1996)

Bulletin of the Torrey Botanical Club - Torrey Botanical Club. (Torrey Botanical Club, 1893)

Bulletin of the Torrey Botanical Club - Torrey Botanical Club. (Torrey Botanical Club, 1893)

Bulletin of the Torrey Botanical Club - Torrey Botanical Club. (Torrey Botanical Club, 1893)