Mitteilungen der Deutschen dendrologischen gesellschaft - Deutsche Dendrologische Gesellschaft. (Thyrow (Kr. Teltow), [etc.], 1921)

Mitteilungen der Geographischen Gesellschaft und des Naturhistorischen Museums in Lübeck - Geographische Gesellschaft in Lübeck (Lübcke & Nöhring, 1890)

Mitteilungen der Thurgauischen Naturforschenden Gesellschaft - Thurgauische Naturforschende Gesellschaft (Weinfelden [etc.], 1857)

Mixed conifer and aspen regeneration in small clearcuts within a partially harvested Arizona mixed conifer forest - Rocky Mountain Forest; Range Experiment Station (Fort Collins, Colo.) (U.S. Dept. of Agriculture, Forest Service, Rocky Mountain Forest and Range Experiment Station, 1991)

Mixed conifer seedling growth in eastern Arizona - Rocky Mountain Forest; Range Experiment Station (Fort Collins, Colo.) (Rocky Mountain Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1971)

Möllers Deutsche Gärtner-Zeitung - Möller, Ludwig. ([Ludwig Möller, 1887)

Möllers Deutsche Gärtner-Zeitung - Möller, Ludwig. ([Ludwig Möller, 1890)

Möllers Deutsche Gärtner-Zeitung - Möller, Ludwig. ([Ludwig Möller, 1899)

Möllers Deutsche Gärtner-Zeitung - Möller, Ludwig. ([Ludwig Möller, 1900)

The Monadnock Nursery, Keene, New Hampshire - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Monadnock Nursery, 1934)

Monographie der Mistel - Neckel, Gustav, 1878 -1940 (Oldenbourg, 1923)

The Monroe Nursery : growers for 102 years - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ilgenfritz Nurseries Inc, 1949)

Monthly report offices of forest experiment stations and dendrology - United States. Forest Service. (1926)

Monthly report offices of forest experiment stations and dendrology - United States. Forest Service. (1930)

Monthly report offices of forest experiment stations and dendrology - United States. Forest Service. (1935)

Moon's hardy trees & plants for every place & purpose - Moon, Samuel C. (Firm) (The Company, 1911)

Moon's hardy trees & plants for every place & purpose - Moon, Samuel C. (Firm) (The Company, 1912)

Moon's hardy trees & plants for every place & purpose - Moon, Samuel C. (Firm) (The Company, 1918)

Moon's hardy trees & plants for every place & purpose : 1923 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wm. H. Moon Co, 1923)

Moon's hardy trees & plants for every place & purpose : 1924 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wm. H. Moon Co, 1924)

Moon's hardy trees & plants for every place and purpose 1922 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wm. H. Moon Co, 1922)

Moon's hardy trees and plant for every place and purpose : 1925 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Moon's Nurseries, 1925)

Moon's hardy trees and plants for every place and purpose : 1872-1912 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wm. H. Moon Company, 1912)

Moon's hardy trees and plants for every place and purpose : 1911 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wm. H. Moon Company, 1911)

Moon's hardy trees and plants for every place and purpose - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wm. H. Moon Company, 1935)

Moon's plants for every place & purpose, 1928 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Moon's Nurseries, 1928)

Moon's trees 1906 : horticultural art book - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wm. H. Moon Co, 1906)

Moons' hardy trees & plants for every place & purpose - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (William H. Moon Company, 1918)

Moons' hardy trees and plants for every place and purpose - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (William H. Moon Company, 1934)

Moons' Nurseries : hardy trees and plants for every place and purpose 1920 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wm. H. Moon Company], 1920)

Morris Arboretum bulletin - University of Pennsylvania. Morris Arboretum. (Morris Arboretum, etc, 1956)

Morris Arboretum bulletin - University of Pennsylvania. Morris Arboretum. (Morris Arboretum, etc, 1957)

Morris Arboretum bulletin - University of Pennsylvania. Morris Arboretum. (Morris Arboretum, etc, 1962)

Morris Arboretum bulletin - University of Pennsylvania. Morris Arboretum. (Morris Arboretum, etc, 1974)

Morrisville Nursery ornamental trees and shrubs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Samuel C. Moon, 1908)

Mosby Creek watershed analysis - United States. Bureau of Land Management. Eugene District Office. (U.S. Department of the Interior, Bureau of Land Management, Eugene, South Valley Resource Area, 2000)

The Mount Desert Nurseries 1928 [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Mount Desert Nurseries, 1928)

The Mount Desert Nurseries [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Mount Desert Nurseries, 1927)

The Mount Desert Nurseries [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Mount Desert Nurseries, 1923)

Mount Hope Nurseries established 1840 : general catalogue - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ellwanger & Barry, 1908)

Mount Hope Nurseries established 1840 : general catalogue - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ellwanger & Barry, 1910)

The Mount Rainier forest reserve - Plummer, Fred Gordon, 1864 -1913 (Govt. print. off, 1900)

The Mount Rainier forest reserve, Washington - Plummer, Fred Gordon, 1864 -1913 (Govt print. off, 1900)

Mountain, plain and garden : the magazine of Denver Botanic Gardens - Denver Botanic Gardens. (The Gardens, 1998)

The mountain trees of southern California, a simple guide-book for tree lovers - Jaeger, Edmund C. (Edmund Carroll) 1887 -1983 (Printed by Pasadena Star-news Publishing Co, 1919)

The mountain trees of southern California; a simple guide-book for tree lovers - Jaeger, Edmund C. (Edmund Carroll) 1887 -1983 (Printed by Post Printing & Binding Co, 1920)

The mountains of California - Muir, John, 1838 -1914 (Houghton Mifflin Company, 1916)

The mountains of California - Muir, John, 1838 -1914 (The Century Co, 1922)

The mountains of California - Muir, John, 1838 -1914 (The Century Co, 1898)

Mt. Hope Nurseries [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ellwanger & Barry, 1917)

Muhlenbergia - Heller, Amos Arthur, 1867 -1944 (1907)

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

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

Multiresource management of ponderosa pine forests : Nov. 14-16, 1989, 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, 1989)

Museum bulletin - New York State Museum. (University of the State of New York, 1915)

Museum bulletin - New York State Museum. (University of the State of New York, 1916)

My first summer in the Sierra - Muir, John, 1838 -1914 (Houghton Mifflin, 1911)

Mycologia - New York Botanical Garden (New York Botanical Garden, 1910)

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, 1918)

Mycologisches Centralblatt = Mycological review = Revue mycologique = Revista micologica : Zeitschrift für allgemeine und angewandte Mycologie : Organ für wissenschaftliche Forschung auf den Gebieten der allgemeinen Mycologie, Gärungschemie und technischen Mycologie - Wehmer, C. (Carl), 1858 -1935 (G. Fischer, 1912)

Mycologisches Centralblatt = Mycological review = Revue mycologique = Revista micologica : Zeitschrift für allgemeine und angewandte Mycologie : Organ für wissenschaftliche Forschung auf den Gebieten der allgemeinen Mycologie, Gärungschemie und technischen Mycologie - Wehmer, C. (Carl), 1858 -1935 (G. Fischer, 1913)

Mycotaxon (Mycotaxon, 2013)

Mycotaxon (Mycotaxon, 2015)

Mycotaxon (Mycotaxon, 2017)

Die Nadelhölzer : mit besonderer Berücksichtigung der in Mitteleuropa winterharten Arten : eine Einführung in die Nadelholzkunde für Landschaftsgärtner, Gartenfreunde und Forstleute - Tubeuf, Carl, Freiherr von, 1862 -1941 (Verlag von E. Ulmer, 1897)

Die Nadelhölzer (Koniferen) und übrigen Gymnospermen - Neger, Franz Wilhelm, 1868 -1923 (G.J. Göschen, 1907)

The National Collection of Coccidae - United States. Bureau of Entomology. (G.P.O, 1908)

The national forests of California - Ayres, Robert W. (Robert William), 1880 - (U.S. G.P.O, 1927)

National forests of Colorado - United States. Forest Service. (U.S. Dept. of Agriculture, 1928)

The National geographic magazine - National Geographic Society (U.S.) (National Geographic Society, 1899)

The National nurseryman : for growers and dealers in nursery stock - American Association of Nurserymen. (National Nurseryman Pub. Co.], 1897)

The National nurseryman : for growers and dealers in nursery stock - American Association of Nurserymen. (National Nurseryman Pub. Co.], 1908)

The National nurseryman : for growers and dealers in nursery stock - American Association of Nurserymen. (National Nurseryman Pub. Co.], 1909)

The National nurseryman : for growers and dealers in nursery stock - American Association of Nurserymen. (National Nurseryman Pub. Co.], 1913)

The National nurseryman : for growers and dealers in nursery stock - American Association of Nurserymen. (National Nurseryman Pub. Co.], 1914)

The National nurseryman : for growers and dealers in nursery stock - American Association of Nurserymen. (National Nurseryman Pub. Co.], 1915)

The National nurseryman : for growers and dealers in nursery stock - American Association of Nurserymen. (National Nurseryman Pub. Co.], 1916)

The National nurseryman : for growers and dealers in nursery stock - American Association of Nurserymen. (National Nurseryman Pub. Co.], 1918)

The National nurseryman : for growers and dealers in nursery stock - American Association of Nurserymen. (National Nurseryman Pub. Co.], 1919)

The National nurseryman : for growers and dealers in nursery stock - American Association of Nurserymen. (National Nurseryman Pub. Co.], 1921)

National proceedings : forest and conservation nursery associations - Rocky Mountain Forest; Range Experiment Station (Fort Collins, Colo.) (U.S. Dept. of Agriculture, Forest Service, Rocky Mountain Forest and Range Experiment Station, 1995)

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)

Natorp garden book - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wm. A. Natorp Company, 1930)

Natorp garden book : landscaping and planting suggestions, and a complete catalog of hardy nursery stock adapted to this section of the country - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wm. A. Natorp Company, 1929)

Natural fuel loadings in ponderosa pine and mixed conifer forests of the Southwest - Rocky Mountain Forest; Range Experiment Station (Fort Collins, Colo.) (Rocky Mountain Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1979)

Natural history - American Museum of Natural History (American Museum of Natural History, 1922)

Natural mortality of the western spruce budworm, Choristoneura occidentalis, in Colorado - Rocky Mountain Forest; Range Experiment Station (Fort Collins, Colo.) (Rocky Mountain Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1971)

Natural period characteristics of selected tree species - United States. Forest Service. (United States Department of Agriculture, Forest Service, 1956)

The natural regeneration of Douglas fir in the Pacific Northwest - Hofmann, Julius Valentine, 1882 - (U.S. Dept. of Agriculture, 1924)

Natural variability of specific forest insect populations and their associated effects in Colorado - Rocky Mountain Forest; Range Experiment Station (Fort Collins, Colo.) (U.S. Dept. of Agriculture, Forest Service, Rocky Mountain Forest and Range Experiment Station, 1996)

Natural vegetation: Grassland and desert shrub - United States. Department of Agriculture. (Govt. Print. Off, 1924)

Naturalist's guide to the Americas - Ecological Society of America. Committee on the Preservation of Natural Conditions. (Williams & Wilkins, 1926)