Memoir - Cornell University. Agricultural Experiment Station. (1919)

Mémoires de l'Académie impériale des sciences de St.-Pétersbourg. 7e série - Imperatorskai︠a︡ akademīi︠a︡ nauk (Russia) (L'Académie, 1868)

Memoires de l'Academie (Royale) des Sciences, Inscriptions et Belles-Lettres de Toulouse - Académie des sciences, inscriptions et belles-lettres de Toulouse. (1885)

Memoirs of the American Academy of Arts and Sciences - American Academy of Arts; Sciences. (The Academy, 1849)

Memoirs of the Museum of Comparative Zoölogy, at Harvard College, Cambridge, Mass - Harvard University. Museum of Comparative Zoology. (The Museum, 1911)

Memoirs of the Nuttall Ornithological Club - Nuttall Ornithological Club. (The Club, 1905)

Memoirs of the Torrey Botanical Club - Torrey Botanical Club. (Published for the Club by the Seeman Printery, 1890)

Memoirs of the Torrey Botanical Club - Torrey Botanical Club. (Published for the Club by the Seeman Printery, 1893)

Memoirs of the Torrey Botanical Club - Torrey Botanical Club. (Published for the Club by the Seeman Printery, 1918)

Memoirs of the Torrey Botanical Club - Torrey Botanical Club. (Published for the Club by the Seeman Printery, 1937)

Memoirs of the Torrey Botanical Club - Torrey Botanical Club. (Published for the Club by the Seeman Printery, 1941)

Menzies' journal of Vancouver's voyage, April to October, 1792 - Newcombe, C. F. 1851 -1924 (Printed by W.H. Cullin, 1923)

The Metaspermae of the Minnesota Valley. A list of the higher seed-producing plants indigenous to the drainage-basin of the Minnesota River - MacMillan, Conway, 1867 -1929 ([Harrison & Smith, State Printers], 1892)

The Metaspermae of the Minnesota Valley : a list of the higher seed-producing plants indigenous to the drainage-basin of the Minnesota River - MacMillan, Conway, 1867 -1929 (Geological and Natural History Survey of Minnesota, 1892)

The Metaspermae of the Minnesota valley; a list of the higher seed-producing plants indigenous to the drainage-basin of the Minnesota river - MacMillan, Conway, 1867 -1929 ([Harrison & Smith, State Printers], 1892)

The Metaspermae of the Minnesota Valley; a list of the higher seed-producing plants indigenous to the drainage-basin of the Minnesota River - MacMillan, Conway, 1867 -1929 ([Harrison & Smith, State Printers], 1892)

Methods in plant histology - Chamberlain, Charles Joseph, 1863 -1943 (The University of Chicago press, 1924)

Methods in plant histology - Chamberlain, Charles Joseph, 1863 -1943 (The University of Chicago Press, 1915)

Methods in plant histology - Chamberlain, Charles Joseph, 1863 -1943 (University of Chicago Press, 1932)

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 1973)

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 1974)

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 1975)

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 1977)

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 1978)

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 2008)

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 2012)

Michigan flora : a list of the fern and seed plants growing without cultivation - Beal, W. J. (William James), 1833 -1924 (Robert Smith, 1904)

Michigan flora : a list of the fern and seed plants growing without cultivation - Beal, W. J. (William James), 1833 -1924 (State Board of Agriculture, 1904)

Michigan flora. Prepared for the thirtieth annual report of the Secretary of the State Board of Agriculture - Michigan. State Board of Agriculture. (R. Smith & co., printers, 1892)

Minnesota plant life - MacMillan, Conway, 1867 -1929 (1899)

Minnesota plant press : newsletter of the Minnesota Native Plant Society - Minnesota Native Plant Society. (Minnesota Native Plant Society, 2008)

Miramichi wild flowers - Mackenzie, R. (Roderick), 1849 -1906 (J. Lovell, 1887)

Miscellaneous publication - University of Kansas, Museum of Natural History - University of Kansas. Museum of Natural History. (University of Kansas, 1958)

Miscellaneous publication - University of Kansas, Museum of Natural History - University of Kansas. Museum of Natural History. (University of Kansas, 1961)

Miscellaneous publication - University of Kansas, Museum of Natural History - University of Kansas. Museum of Natural History. (University of Kansas, 1964)

Miscellaneous publications - University of Michigan. Museum of Zoology. (The University, 1916)

Mitteilungen der Botanischen Staatssammlung München - Botanische Staatssammlung München. (H. Merxmüller, 1969)

Modeling initial conditions for root rot in forest stands : random proportions - United States. Forest Service. (USDA Forest Service, Rocky Mountain Forest and Range Experiment Station, 1993)

Monographie des Campanulées - Candolle, Alphonse de, 1806 -1893 (Chez Mme. Veuve Desray, 1830)

Monographie du genre Camellia : traité complet sur sa culture avec la description et la classification de chaque variété ... - Berlese, Lorenzo, 1784 -1863 (Chez H. Cousin, 1845)

Montana deer studies : progress report for the period ... - Montana. Department of Fish, Wildlife,; Parks (Montana Dept. of Fish and Game, 1975)

Montana deer studies : progress report for the period ... - Montana. Department of Fish, Wildlife,; Parks (Montana Dept. of Fish and Game, 1981)

Morphology of angiosperms (Morphology of spermatophytes. Part II) - Coulter, John Merle, 1851 -1928 (D. Appleton, 1903)

Morris Arboretum bulletin - University of Pennsylvania. Morris Arboretum. (Morris Arboretum, etc, 1966)

The mountain - Jackson, Robert Montgomery Smith, 1815 -1865 (J. B. Lippincott & Co, 1860)

Mountain wild flowers of America; a simple and popular guide to the names and descriptions of the flowers that bloom above the clouds - Henshaw, Julia W. (Julia Wilmotte) 1869 -1937 (Ginn, 1906)

Mountain wild flowers of Canada : a simple and popular guide to the names and descriptions of the flowers that bloom above the clouds - Henshaw, Julia W. (Julia Wilmotte) 1869 -1937 (William Briggs, 1906)

Muhlenbergia - Heller, Amos Arthur, 1867 -1944 (1905)

Muhlenbergia - Heller, Amos Arthur, 1867 -1944 (1913)

Museum bulletin - Geological Survey of Canada. Museum. (Government Printing Bureau, 1917)

Museum of Art and Horticulture, sixth annual seed catalogue : floral and Western cultivators guide - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Church, Goodman and Donnelley, printers, 1868)

Mutations and evolution - Gates, R. Ruggles (Reginald Ruggles), 1882 -1962 (W. Wesley & Son, 1921)

Namekagon nature trail : Chequamegon-Nicolet National Forest - United States. Forest Service. (U.S. Forest Service, 2004)

National list of scientific plant names - United States. Soil Conservation Service. (U.S. Dept. of Agriculture, Soil Conservation Service, 1982)

National list of scientific plant names - United States. Soil Conservation Service. (Nebr.], 1971)

Native American ferns and wild flowers, 1941 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Isaac Langley Williams, 1941)

Native American ferns and wild flowers : 1949 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Exeter Wild Flower Gardens, 1949)

Native American ferns and wild flowers : fall, 1947 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Isaac Langley Williams, 1947)

Native American ferns and wild flowers : spring 1935 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Isaac Langley Williams, 1935)

Native broad-leaved evergreens for immediate effect : fall, 1932-spring, 1933 : and many other specialties for fall and spring planting - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.C. Robbins, 1932)

Native broad-leaved evergreens for immediate effect : fall, 1929-spring, 1930 : and many other specialties for fall and spring planting - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.C. Robbins, 1929)

Native broad-leaved evergreens for immediate effect : fall 1923-spring 1924 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.C. Robbins, 1923)

Native broad-leaved evergreens for immediate effect : fall 1924-spring 1925 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.C. Robbins, 1924)

Native broad-leaved evergreens for immediate effect : fall 1925-spring 1926 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.C. Robbins, 1925)

Native broad-leaved evergreens for immediate effect : fall 1928-spring 1929 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.C. Robbins, 1928)

Native broad-leaved evergreens for immediate effect : fall 1927-spring 1928 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.C. Robbins, 1927)

Native broad-leaved evergreens for immediate effect : fall 1926-spring 1927 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.C. Robbins, 1926)

Native hardy trees, shrubs, perennials and ferns - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F.M. Crayton & Sons, 1937)

Native North American ferns and wild flowers for fall, 1929, planting - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (George D. Aiken, 1929)

Native North American ferns and wild flowers for fall, 1930, planting - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (George D. Aiken, 1930)

Native North American ferns and wild flowers for fall, 1931, planting - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (George D. Aiken, 1931)

Native North American ferns and wild flowers for fall, 1932, planting - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (George D. Aiken, 1932)

Native plants from "The Land of the Sky", 1935 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Nik-Nar Nursery, 1935)

Native plants from "The Land of the Sky", 1936 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Nik-Nar Nursery, 1936)

Native plants from "The Land of the Sky", 1937 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Nik-Nar Nursery, 1937)

Native trees and plants seedlings for 1928 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Morris Nursery Company, 1928)

The natural history of Chautauqua - MacCaughey, Vaughan, 1887 - (B. W. Huebsch, 1917)

Natural history of New York (D. Appleton, 1842)

Natural history of New York - Hall, James, 1811 -1898 (D. Appleton & co. and Wiley & Putnam, 1843)

A natural system of botany; or, A systematic view of the organisation, natural affinities, and geographical distribution of the whole vegetable kingdom - Lindley, John, 1799 -1865 (Longman, Rees, Orme, Brown, Green, and Longman, 1836)

A natural system of botany, or, A systematic view of the organization, natural affinities, and geographical distribution, of the whole vegetable kingdom : together with the uses of the most important species in medicine, the arts, and rural or domestic economy - Lindley, John, 1799 -1865 (Longman, Rees, Orme, Brown, Green, and Longman, 1836)

A naturalist in the Bahamas - Osborn, Henry Fairfield, 1857 -1935 (Columbia University Press, 1910)

A naturalist in the Bahamas: John I. Northrop, October 12 1861 - June 25, 1891: a memorial volume - Osborn, Henry Fairfield, 1857 -1935 (Columbia University Press, 1910)

A naturalist in the Bahamas, John I. Northrop, October 12, 1861-June 25, 1891; a memorial volume - Osborn, Henry Fairfield, 1857 -1935 (Columbia University Press, 1910)

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

Le Naturaliste canadien - Provancher, L. (Léon), 1820 -1892 (Éditions, l'Ardoise [etc.], 1918)

A nature calendar; a record of the appearance of the flowers and birds - Thompson, Thomas Edward (The Morse Company, 1896)

Nature's garden : an aid to knowledge of our wild flowers and their insect visitors... - Doubleday, Nellie Blanchan DeGraff, 1865 -1918 (Grosset & Dunlap, 1900)

Nature's garden; an aid to knowledge of our wild flowers and their insect visitors - Doubleday, Nellie Blanchan DeGraff, 1865 -1918 (Doubleday, Page, 1900)

Nature's garden : an aid to knowledge of our wild flowers and their insect visitors - Doubleday, Nellie Blanchan DeGraff, 1865 -1918 (Doubleday, Page, 1900)

Nature's garden : an aid to knowledge of our wild flowers and their insect visitors - Doubleday, Nellie Blanchan DeGraff, 1865 -1918 (Doubleday, Page, 1901)

Nature's garden; an aid to knowledge of our wild flowers and their insect visitors - Doubleday, Nellie Blanchan DeGraff, 1865 -1918 (Doubleday, Page & Co, 1922)

Nature's garden; an aid to knowledge of our wild flowers and their insect visitors - Doubleday, Nellie Blanchan DeGraff, 1865 -1918 (Doubleday, Page & Company, 1905)

Nature's garden; an aid to knowledge of our wild flowers and their insect visitors - Doubleday, Nellie Blanchan DeGraff, 1865 -1918 (Doubleday, 1920)

Nature's garden : With many color illustrations - Doubleday, Nellie Blanchan DeGraff, 1865 -1918 (Garden City Pub. Co, 1900)

Nature's invitation; notes of a bird-gazer north and south - Torrey, Bradford, 1843 -1912 (Houghton, Mifflin and company, 1904)

The Nature-study review : devoted to all phases of nature-study in elementary schools - American Nature Study Society. ([M.A. Bigelow], 1917)

Das natürliche Pflanzensystem : ein Versuch, die gegenseitigen Verwandtschaften der Pflanzen aufzufinden ... : mit Berücksichtigung der arzneilichen und überhaupt anwendbaren Gewächse, nebst einer historischen Einleitung ... - Heynhold, Gustav. (In der Arnoldischen Buchh, 1840)

Die Natürlichen Pflanzenfamilien nebst ihren Gattungen und wichtigeren Arten, insbesondere den Nutzpflanzen, unter Mitwirkung zahlreicher hervorragender Fachgelehrten begründet - Engler, Adolf, 1844 -1930 (W. Engelmann, 1887)

Neue allgemeine deutsche Garten- und Blumenzeitung - Mettler, Rudolph. (G. Heubel's Buch- und Kunsthandlung, 1845)

Neue allgemeine deutsche Garten- und Blumenzeitung - Mettler, Rudolph. (G. Heubel's Buch- und Kunsthandlung, 1846)

Neue allgemeine deutsche Garten- und Blumenzeitung - Mettler, Rudolph. (G. Heubel's Buch- und Kunsthandlung, 1847)

Neue allgemeine deutsche Garten- und Blumenzeitung - Mettler, Rudolph. (G. Heubel's Buch- und Kunsthandlung, 1850)

Neue Entdeckungen im ganzen Umfang der Pflanzenkunde - Sprengel, Kurt Polycarp Joachim, 1766 -1833 (F. Fleischer, 1820)

The new American botanist and florist - Wood, Alphonso, 1810 -1881 (A. S. Barnes & co, 1889)