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Major habitat types, community types, and plant communities in the Rocky Mountains - Rocky Mountain Forest; Range Experiment Station (Fort Collins, Colo.) (U.S. Dept. of Agriculture, Forest Service, Rocky Mountain Forest and Range Experiment Station, 1985)

Major habitat types, community types, and plant communities in the Rocky Mountains - Rocky Mountain Forest; Range Experiment Station (Fort Collins, Colo.) (U.S. Dept. of Agriculture, Forest Service, Rocky Mountain Forest and Range Experiment Station, 1985)

Major habitat types, community types, and plant communities in the Rocky Mountains - Rocky Mountain Forest; Range Experiment Station (Fort Collins, Colo.) (U.S. Dept. of Agriculture, Forest Service, Rocky Mountain Forest and Range Experiment Station, 1985)

The mammals and life zones of Oregon - Bailey, Vernon, 1864 -1942 ([U.S. Govt. Print. Off.], 1936)

Mammals of the Mexican boundary of the United States. A descriptive catalogue of the species of mammals occurring in that region; with a general summary of the natural history, and a list of trees - Mearns, Edgar Alexander, 1856 -1916 (Govt. print. off, 1907)

Mammals of the Mexican boundary of the United States. A descriptive catalogue of the species of mammals occurring in that region; with a general summary of the natural history, and a list of trees - Mearns, Edgar Alexander, 1856 -1916 (Govt. print. off, 1907)

Mammals of the Mexican boundary of the United States. A descriptive catalogue of the species of mammals occurring in that region; with a general summary of the natural history, and a list of trees - Mearns, Edgar Alexander, 1856 -1916 (Govt. print. off, 1907)

Mammals of the Mexican boundary of the United States. A descriptive catalogue of the species of mammals occurring in that region; with a general summary of the natural history, and a list of trees - Mearns, Edgar Alexander, 1856 -1916 (Govt. print. off, 1907)

Mammals of the Mexican boundary of the United States. A descriptive catalogue of the species of mammals occurring in that region; with a general summary of the natural history, and a list of trees - Mearns, Edgar Alexander, 1856 -1916 (Govt. print. off, 1907)

Mammals of the Mexican boundary of the United States. A descriptive catalogue of the species of mammals occurring in that region; with a general summary of the natural history, and a list of trees - Mearns, Edgar Alexander, 1856 -1916 (Govt. print. off, 1907)

Management of amphibians, reptiles, and small mammals in North America : proceedings of the symposium, July 19-21, 1988, Flagstaff, Arizona - Rocky Mountain Forest; Range Experiment Station (Fort Collins, Colo.) (U.S. Dept. of Agriculture, Forest Service, Rocky Mountain Forest and Range Experiment Station, 1988)

Manual of the flora of the northern states and Canada - Britton, Nathaniel Lord, 1859 -1934 (H. Holt, 1907)

Manual of the flora of the northern states and Canada - Britton, Nathaniel Lord, 1859 -1934 (H. Holt, 1907)

Manual of the flora of the northern states and Canada - Britton, Nathaniel Lord, 1859 -1934 (Holt, 1905)

Manual of the flora of the northern states and Canada - Britton, Nathaniel Lord, 1859 -1934 (H. Holt and Co, 1901)

Manual of the flora of the northern states and Canada - Britton, Nathaniel Lord, 1859 -1934 (H. Holt and Co, 1901)

Manual of the flora of the northern states and Canada - Britton, Nathaniel Lord, 1859 -1934 (Holt, 1905)

Manual of the flora of the northern states and Canada - Britton, Nathaniel Lord, 1859 -1934 (Holt, 1905)

Manual of the flora of the northern states and Canada, by Nathaniel Lord Britton ... - Britton, Nathaniel Lord, 1859 -1934 (H. Holt and Co, 1901)

Manual of the flora of the northern states and Canada, by Nathaniel Lord Britton ... - Britton, Nathaniel Lord, 1859 -1934 (H. Holt and Co, 1901)

Manual of the trees of North America (exclusive of Mexico) - Sargent, Charles Sprague, 1841 -1927 (Houghton, Mifflin, 1905)

Manual of the trees of North America (exclusive of Mexico) - Sargent, Charles Sprague, 1841 -1927 (Houghton Mifflin company, 1922)

Manual of the trees of North America (exclusive of Mexico) - Sargent, Charles Sprague, 1841 -1927 (Houghton, 1905)

Manual of the trees of North America (exclusive of Mexico) - Sargent, Charles Sprague, 1841 -1927 (Houghton, 1905)

Manual of the trees of North America (exclusive of Mexico) - Sargent, Charles Sprague, 1841 -1927 (Houghton, Mifflin, 1905)

Manual of the trees of North America (exclusive of Mexico) - Sargent, Charles Sprague, 1841 -1927 (Houghton Mifflin company, 1922)

Manual of the trees of North America (exclusive of Mexico) - Sargent, Charles Sprague, 1841 -1927 (Houghton, 1905)

Manual of the trees of North America (exclusive of Mexico) - Sargent, Charles Sprague, 1841 -1927 (Houghton Mifflin company, 1922)

Manual of the trees of North America (exclusive of Mexico) - Sargent, Charles Sprague, 1841 -1927 (Houghton Mifflin company, 1922)

Manual of the trees of North America (exclusive of Mexico) - Sargent, Charles Sprague, 1841 -1927 (Houghton Mifflin company, 1922)

Manual of the trees of North America (exclusive of Mexico) - Sargent, Charles Sprague, 1841 -1927 (Houghton Mifflin company, 1922)

Manual of the trees of North America (exclusive of Mexico) - Sargent, Charles Sprague, 1841 -1927 (Houghton, Mifflin, 1905)

Manual of the trees of North America (exclusive of Mexico) - Sargent, Charles Sprague, 1841 -1927 (Houghton, Mifflin, 1905)

Manual of vegetable-garden insects - Leonard, Mortimer Demarest, 1890 - (The Macmillan company, 1918)

Manual of vegetable-garden insects - Leonard, Mortimer Demarest, 1890 - (The Macmillan company, 1918)

Manual of vegetable-garden insects - Leonard, Mortimer Demarest, 1890 - (The Macmillan company, 1918)

Manuel de l'acclimateur, ou, Choix de plantes recommandées pour l'agriculture, l'industrie et la médecine, et adaptées aux divers climate de l'Europe et des pays tropicaux - Naudin, Charles, 1815 -1899 (Société d'aAcclimatation, 1887)

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Michigan trees; a handbook of the native and most important introduced species - Otis, Charles Herbert, 1886 - (The Regents, 1915)

Michigan trees : a handbook of the native and most important introduced species - Otis, Charles Herbert, 1886 - (Regents of the University of Michigan, 1917)

Michigan trees; a handbook of the native and most important introduced species - Otis, Charles Herbert, 1886 - (The Regents, 1913)

Milk, Marias, and St. Mary monitoring : developing a long-term rotating basin wetland assessment and monitoring strategy for Montana - Montana Natural Heritage Program. (Montana Natural Heritage Program, 2011)

Minnesota trees and shrubs : an illustrated manual of the native and cultivated woody plants of the state - Clements, Frederic E. (Frederic Edward), 1874 -1945 (University of Minnesota, 1912)

Minnesota trees and shrubs : an illustrated manual of the native and cultivated woody plants of the State - Clements, Frederic E. (Frederic Edward), 1874 -1945 (University of Minnesota, 1912)

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Mitteilungen der Deutschen dendrologischen gesellschaft - Deutsche Dendrologische Gesellschaft. (Thyrow (Kr. Teltow), [etc.], 1912)

Mitteilungen der Deutschen dendrologischen gesellschaft - Deutsche Dendrologische Gesellschaft. (Thyrow (Kr. Teltow), [etc.], 1912)

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Mitteilungen der Deutschen dendrologischen gesellschaft - Deutsche Dendrologische Gesellschaft. (Thyrow (Kr. Teltow), [etc.], 1918)

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Muhlenbergia - Heller, Amos Arthur, 1867 -1944 (1909)

Muhlenbergia - Heller, Amos Arthur, 1867 -1944 (1909)

Muhlenbergia - Heller, Amos Arthur, 1867 -1944 (1911)

Mycologia - New York Botanical Garden (New York Botanical Garden, 1912)

Mycologia - New York Botanical Garden (New York Botanical Garden, 1917)

Mycologia - New York Botanical Garden (New York Botanical Garden, 1917)

Mycologia - New York Botanical Garden (New York Botanical Garden, 1918)

Mycologia - New York Botanical Garden (New York Botanical Garden, 1918)

Mycologia - New York Botanical Garden (New York Botanical Garden, 1918)

Mycologia - New York Botanical Garden (New York Botanical Garden, 1918)

Mycologia - New York Botanical Garden (New York Botanical Garden, 1919)

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Native woody plants of the United States : their erosion-control and wildlife values - Mulford, Furman Lloyd, 1869 - (U.S. Dept. of Agriculture, 1938)

Native woody plants of the United States : their erosion-control and wildlife values - Mulford, Furman Lloyd, 1869 - (U.S. Dept. of Agriculture, 1938)

Native woody plants of the United States : their erosion-control and wildlife values - Mulford, Furman Lloyd, 1869 - (U.S. Dept. of Agriculture, 1938)

Native woody plants of the United States, their erosion-control and wildlife values - United States. (U. S. Govt. print. off, 1938)

Native woody plants of the United States, their erosion-control and wildlife values - United States. (U. S. Govt. print. off, 1938)

Native woody plants of the United States, their erosion-control and wildlife values - United States. (U. S. Govt. print. off, 1938)

Native woody plants of the United States, their erosion-control and wildlife values - United States. (U. S. Govt. print. off, 1938)

Natural regions, subregions and natural history themes of Alberta : a classification for protected areas management - Achuff, P. L. (Alberta Environmental Protection, 1994)

Natural regions, subregions and natural history themes of Alberta : a classification for protected areas management - Achuff, P. L. (Alberta Environmental Protection, 1994)

Natural regions, subregions and natural history themes of Alberta : a classification for protected areas management - Achuff, P. L. (Alberta Environmental Protection, 1994)

Natural regions, subregions and natural history themes of Alberta : a classification for protected areas management - Achuff, P. L. (Alberta Environmental Protection, 1994)

Natural regions, subregions and natural history themes of Alberta : a classification for protected areas management - Achuff, P. L. (Alberta Environmental Protection, 1994)

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New manual of botany of the central Rocky mountains (vascular plants) - Coulter, John Merle, 1851 -1928 (American Book Company, 1909)

New manual of botany of the central Rocky mountains (vascular plants) - Coulter, John Merle, 1851 -1928 (American Book Company, 1909)

New manual of botany of the central Rocky Mountains, vascular plants - Coulter, John Merle, 1851 -1928 (American Book Co, 1909)

New manual of botany of the central Rocky Mountains, vascular plants - Coulter, John Merle, 1851 -1928 (American Book Co, 1909)

New manual of botany of the central Rocky mountains (vascular plants) - Coulter, John Merle, 1851 -1928 (American book company, 1909)

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The New Mexico botanist - New Mexico State University. Cooperative Extension Service. (Range Science Herbarium and Cooperative Extension Service, 2010)

The New Mexico botanist - New Mexico State University. Cooperative Extension Service. (Range Science Herbarium and Cooperative Extension Service, 2010)

The New Mexico botanist - New Mexico State University. Cooperative Extension Service. (Range Science Herbarium and Cooperative Extension Service, 2010)

The New Mexico botanist - New Mexico State University. Cooperative Extension Service. (Range Science Herbarium and Cooperative Extension Service, 2004)

The New Mexico botanist - New Mexico State University. Cooperative Extension Service. (Range Science Herbarium and Cooperative Extension Service, 2008)

The New Mexico botanist - New Mexico State University. Cooperative Extension Service. (Range Science Herbarium and Cooperative Extension Service, 2020)

The New phytologist - Tansley, A. G., Sir, (Arthur George), 1871 -1955 (Academic Press, 1914)

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Nineteen-sixteen catalogue - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (D.M. Andrews, 1916)

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North American fauna - U.S. Fish; Wildlife Service (Fish and Wildlife Service; for sale by the Supt. of Docs., U. S. Govt. Print. Off, 1910)

North American fauna - U.S. Fish; Wildlife Service (Fish and Wildlife Service; for sale by the Supt. of Docs., U. S. Govt. Print. Off, 1910)

North American fauna - U.S. Fish; Wildlife Service (Fish and Wildlife Service; for sale by the Supt. of Docs., U. S. Govt. Print. Off, 1910)

North American fauna - U.S. Fish; Wildlife Service (Fish and Wildlife Service; for sale by the Supt. of Docs., U. S. Govt. Print. Off, 1918)

North American fauna - U.S. Fish; Wildlife Service (Fish and Wildlife Service; for sale by the Supt. of Docs., U. S. Govt. Print. Off, 1918)

North American fauna - U.S. Fish; Wildlife Service (Fish and Wildlife Service; for sale by the Supt. of Docs., U. S. Govt. Print. Off, 1931)

North American flora - New York Botanical Garden (New York Botanical Garden, 1922)

North American flora - New York Botanical Garden (New York Botanical Garden, 1922)

North American flora - New York Botanical Garden (New York Botanical Garden, 1907)

North American flora - New York Botanical Garden (New York Botanical Garden, 1924)

North American flora - New York Botanical Garden (New York Botanical Garden, 1924)

North American flora - New York Botanical Garden (New York Botanical Garden, 1924)

North American flora - New York Botanical Garden (New York Botanical Garden, 1931)

The North American sylva; or, A description of the forest trees of the United States, Canada and Nova Scotia. Considered particularly with respect to their use in the arts and their introduction into commerce. To which is added a description of the most useful of the European forest trees ... - Nuttall, Thomas, 1786 -1859 (Rice, Rutter & co, 1865)

The North American sylva; or, A description of the forest trees of the United States, Canada and Nova Scotia. Considered particularly with respect to their use in the arts and their introduction into commerce. To which is added a description of the most useful of the European forest trees ... - Nuttall, Thomas, 1786 -1859 (Rice, Rutter & co, 1865)

North American trees : being descriptions and illustrations of the trees growing independently of cultivation in North America, north of Mexico and the West Indies - Britton, Nathaniel Lord, 1859 -1934 (H. Holt and Co, 1908)

North American trees (exclusive of Mexico and tropical United States) A handbook designed for field use - Preston, Richard Joseph, 1905 - (Iowa State University Press, 1961)

North American trees (exclusive of Mexico and tropical United States) A handbook designed for field use - Preston, Richard Joseph, 1905 - (Iowa State University Press, 1961)

Notizblatt des Königl. Botanischen Gartens und Museums zu Berlin - Engler, Adolf, 1844 -1930 (In Commission bei Wilhelm Engelmann, 1902)

Notizblatt des Königl. Botanischen Gartens und Museums zu Berlin - Engler, Adolf, 1844 -1930 (In Commission bei Wilhelm Engelmann, 1902)

Occasional papers of the California Academy of Sciences - California Academy of Sciences (California Academy of Sciences, 1905)

Occasional papers of the California Academy of Sciences - California Academy of Sciences (California Academy of Sciences, 1905)

Opuscula philolichenum (J. Lendemer, 2015)

Ornamental trees, shrubs, and woody climbers - Macoun, W. T. (William Tyrrell), 1869 -1933 (Canada Dept. of Agriculture, 1927)

The Ottawa naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1895)

Our native birds of song and beauty, being a complete history of all the songbirds, flycatchers, hummingbirds, swifts, goatsuckers, woodpeckers, kingfishers, trogons, cuckoos, and parrots, of North America - Nehrling, Henry, 1853 -1929 (G. Brumder, 1893)

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Pamphlets on forestry in Michigan (1900)

Pamphlets on forestry in Minnesota (1900)

Pamphlets on forestry in Montana (1900)

Pamphlets on forestry in Nebraska (1900)

Pamphlets on forestry in New York (1900)

Pamphlets on forestry in New York (1900)

Pamphlets on forestry in New York (1900)

Pamphlets on forestry in New York (1900)

Pamphlets on silviculture (1899)

The Pan-Pacific entomologist - Van Duzee, Edward P. (Edward Payson), 1861 -1940 (Pacific Coast Entomological Society, 1990)

The Pan-Pacific entomologist - Van Duzee, Edward P. (Edward Payson), 1861 -1940 (Pacific Coast Entomological Society, 1990)

The Pan-Pacific entomologist - Van Duzee, Edward P. (Edward Payson), 1861 -1940 (Pacific Coast Entomological Society, 1990)

Papers presented at the Celebration of the Twentieth Anniversary of the New York Botanical Garden, September 6-9, 1915. Published by the aid of the David Lydig Fund, bequethed by Charles P. Daly - New York Botanical Garden (1916)

Papers presented at the Celebration of the Twentieth Anniversary of the New York Botanical Garden, September 6-9, 1915. Published by the aid of the David Lydig Fund, bequethed by Charles P. Daly - New York Botanical Garden (1916)

Papers presented at the Celebration of the Twentieth Anniversary of the New York Botanical Garden, September 6-9, 1915. Published by the aid of the David Lydig Fund, bequethed by Charles P. Daly - New York Botanical Garden (1916)

Park and cemetery and landscape gardening - Haight, R. J. (Rufus J.) (R.J. Haight, 1915)

Part I. Palæontology - Hall, James, 1811 -1898 (Govt. print. off, 1877)

Part I. Palæontology - Hall, James, 1811 -1898 (Govt. print. off, 1877)

Part I. Palæontology - Hall, James, 1811 -1898 (Govt. print. off, 1877)

Phytogeographic survey of North America. A consideration of the phytogeography of the North American continent, including Mexico, Central America and the West Indies, together with the evolution of North American plant distribution - Harshberger, John W. (John William), 1869 -1929 (W. Engelmann, 1911)

Phytogeographic survey of North America. A consideration of the phytogeography of the North American continent, including Mexico, Central America and the West Indies, together with the evolution of North American plant distribution - Harshberger, John W. (John William), 1869 -1929 (W. Engelmann, 1911)

Phytogeographic survey of North America. A consideration of the phytogeography of the North American continent, including Mexico, Central America and the West Indies, together with the evolution of North American plant distribution - Harshberger, John W. (John William), 1869 -1929 (W. Engelmann, 1911)

Phytogeographic survey of North America. A consideration of the phytogeography of the North American continent, including Mexico, Central America and the West Indies, together with the evolution of North American plant distribution - Harshberger, John W. (John William), 1869 -1929 (W. Engelmann, 1911)

Phytogeographic survey of North America. A consideration of the phytogeography of the North American continent, including Mexico, Central America and the West Indies, together with the evolution of North American plant distribution - Harshberger, John W. (John William), 1869 -1929 (W. Engelmann, 1911)

Phytogeographic survey of North America. A consideration of the phytogeography of the North American continent, including Mexico, Central America and the West Indies, together with the evolution of North American plant distribution - Harshberger, John W. (John William), 1869 -1929 (W. Engelmann, 1911)

Phytogeographic survey of North America. A consideration of the phytogeography of the North American continent, including Mexico, Central America and the West Indies, together with the evolution of North American plant distribution - Harshberger, John W. (John William), 1869 -1929 (W. Engelmann, 1911)

Phytogeography of Nebraska. 1. General survey by Roscoe Pound and Frederic E. Clements - Clements, Frederic E. (Frederic Edward), 1874 -1945 (Published by the Seminar, 1900)

Phytogeography of Nebraska. 1. General survey by Roscoe Pound and Frederic E. Clements - Clements, Frederic E. (Frederic Edward), 1874 -1945 (Published by the Seminar, 1900)

Phytogeography of Nebraska. 1. General survey by Roscoe Pound and Frederic E. Clements - Clements, Frederic E. (Frederic Edward), 1874 -1945 (Published by the Seminar, 1900)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 1998)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 2010)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 2010)

Phytologia - Moldenke, Harold N. (Harold Norman), 1909 -1996 (H.A. Gleason and H.N. Moldenke, 2019)

Phytoneuron (Guy L. Nesom, 2011)

Phytoneuron (Guy L. Nesom, 2013)