Memorie della Società italiana di scienze naturali e del Museo civico di storia naturale di Milano - Museo civico di storia naturale di Milano. (La Società, 2008)

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)

Meyers Konversations-Lexikon : ein Nachschlagewerk des allgemeinen Wissens - Meyer, Hermann Julius, 1826 -1909 (Bibliographisches Institut, 1896)

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 1969)

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 1971)

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

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 1984)

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 1985)

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 1989)

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 1991)

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 1993)

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 2001)

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 2003)

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 2004)

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 2006)

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

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 2010)

Minnesota botanical studies - Geological; Natural History Survey of Minnesota. (Geological and Natural History Survey of Minnesota, 1896)

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

Miscellaneous papers, 1894-1896 (inclusive) - New England Botanical Club. (1894)

Miscellaneous papers on the botany of Michigan - Dodge, C. K. (Charles Keene), 1844 -1918 (Wynkoop Hallenbeck Crawford, State Printers, 1921)

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

Missouri wildflowers of the St. Louis area - Missouri Botanical Garden. (Missouri Botanical Garden, 1978)

Missouriensis - Missouri Native Plant Society. (Missouri Native Plant Society, 1992)

Missouriensis - Missouri Native Plant Society. (Missouri Native Plant Society, 1993)

Missouriensis - Missouri Native Plant Society. (Missouri Native Plant Society, 2003)

Missouriensis - Missouri Native Plant Society. (Missouri Native Plant Society, 2022)

Mitigating the effects of exotic pests on trade and agriculture. proceedings of a workshop held at Campbell Agricultural Center, Homestead, Florida, June 16-18, 1999 Part A the Caribbean - Tropical; Subtropical Agriculture Research Program (U.S.) (T-STAR, 1999)

Mitteilungen der Botanischen Staatssammlung München - Botanische Staatssammlung München. (H. Merxmüller, 1950)

Montana weed management plan - Montana. Dept. of Transportation. (Montana Dept. of Transportation, 2008)

Morphologische und physiologische Analyse der Zelle der Pflanzen und Tiere : Grundzüge unseres Wissens über den Bau der Zelle und über dessen Beziehung zur Leistung der Zelle - Meyer, Arthur, 1850 -1922 (G. Fischer, 1920)

Morphology of angiosperms : (Morphology of spermatophytes, Part II) - Coulter, John Merle, 1851 -1928 (D. Appleton, 1909)

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

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

Morphology of the angiosperms - Eames, Arthur J., 1881 -1969 (McGraw-Hill, 1961)

Moscosoa : contribuciones científicas del Jardín Botánico Nacional "Dr. Rafael M. Moscoso" - Jardín Botánico Nacional "Dr. Rafael M. Moscoso." (El Jardín, 2000)

Moscosoa : contribuciones científicas del Jardín Botánico Nacional "Dr. Rafael M. Moscoso" - Jardín Botánico Nacional "Dr. Rafael M. Moscoso." (El Jardín, 2005)

Muelleria: An Australian Journal of Botany - Royal Botanic Gardens (Vic.) (National Herbarium of Victoria, 1971)

Muelleria: An Australian Journal of Botany - Royal Botanic Gardens (Vic.) (National Herbarium of Victoria, 1979)

Muelleria: An Australian Journal of Botany - Royal Botanic Gardens (Vic.) (National Herbarium of Victoria, 1981)

Muelleria: An Australian Journal of Botany - Royal Botanic Gardens (Vic.) (National Herbarium of Victoria, 1984)

Nachträge zur Flora der deutschen Schutzgebiete in der Südsee : mit Ausschluss Samoa's und der Karolinen - Schumann, K. (Karl) 1851 -1904 (Gebrüder Borntraeger, 1905)

nan sha qun dao ji qi lin jin dao yu zhi wu zhi - Xing, Fuwu & Wu Delin (hai yang chu ban she, 1996)

National Arboretum contribution - United States. Agricultural Research Service. (The Arboretum, 1953)

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

National Museum of Natural History (U.S.) Pacific Ocean Biological Survey Program, 1961-1973 : Pacific botany, manuscript materials (parts 1-2) - National Museum of Natural History (U.S.) Pacific Ocean Biological Survey Program (1964)

The native flora of the vicinity of Cold Spring Harbor, L.I., New York - Grier, Norman McDowell 1890 -1951 (1925)

Native names and uses of some plants of eastern Guatemala and Honduras - Blake, S. F. (Sidney Fay), 1892 -1959 (Govt. Print. Off, 1922)

Native Plant Society of Oregon - Native Plant Society of Oregon. (The Society, 2009)

Naturae novitates : Bibliographie neuer Erscheinungen aller Länder auf dem Gebiete der Naturgeschichte und der exacten Wissenschaften (R. Friedländer & Sohn, 1883)

Naturae novitates : Bibliographie neuer Erscheinungen aller Länder auf dem Gebiete der Naturgeschichte und der exacten Wissenschaften (R. Friedländer & Sohn, 1887)

Naturae novitates : Bibliographie neuer Erscheinungen aller Länder auf dem Gebiete der Naturgeschichte und der exacten Wissenschaften (R. Friedländer & Sohn, 1888)

Naturae novitates : Bibliographie neuer Erscheinungen aller Länder auf dem Gebiete der Naturgeschichte und der exacten Wissenschaften (R. Friedländer & Sohn, 1890)

Naturae novitates : Bibliographie neuer Erscheinungen aller Länder auf dem Gebiete der Naturgeschichte und der exacten Wissenschaften (R. Friedländer & Sohn, 1898)

Naturae novitates : Bibliographie neuer Erscheinungen aller Länder auf dem Gebiete der Naturgeschichte und der exacten Wissenschaften (R. Friedländer & Sohn, 1900)

Naturae novitates : Bibliographie neuer Erscheinungen aller Länder auf dem Gebiete der Naturgeschichte und der exacten Wissenschaften (R. Friedländer & Sohn, 1901)

Naturae novitates : Bibliographie neuer Erscheinungen aller Länder auf dem Gebiete der Naturgeschichte und der exacten Wissenschaften (R. Friedländer & Sohn, 1902)

Naturae novitates : Bibliographie neuer Erscheinungen aller Länder auf dem Gebiete der Naturgeschichte und der exacten Wissenschaften (R. Friedländer & Sohn, 1903)

Naturae novitates : Bibliographie neuer Erscheinungen aller Länder auf dem Gebiete der Naturgeschichte und der exacten Wissenschaften (R. Friedländer & Sohn, 1905)

Naturae novitates : Bibliographie neuer Erscheinungen aller Länder auf dem Gebiete der Naturgeschichte und der exacten Wissenschaften (R. Friedländer & Sohn, 1906)

Naturae novitates : Bibliographie neuer Erscheinungen aller Länder auf dem Gebiete der Naturgeschichte und der exacten Wissenschaften (R. Friedländer & Sohn, 1914)

Natural area inventory of Hyde County, North Carolina - North Carolina. Coastal Energy Impact Program. (North Carolina Coastal Energy Impact Program, Office of Coastal Management, North Carolina Department of Natural Resources and Community Development, 1982)

Natural area inventory of Pender County, North Carolina - North Carolina. Coastal Energy Impact Program. (North Carolina Coastal Energy Impact Program, Office of Coastal Management, North Carolina Dept. of Natural Resources and Community Development, 1982)

Natural area inventory of Washington County, North Carolina - North Carolina. Coastal Energy Impact Program. (North Carolina Coastal Energy Impact Program, Office of Coastal Management, North Carolina Department of Natural Resources and Community Development, 1982)

The natural history of the Toronto region, Ontario, Canada - Glenny, George, 1793 -1874 (Canadian Institute, 1913)

The Natural history of the Toronto Region, Ontario, Canada - Faull, J. H. (Joseph Horace), 1870 -1961 (Canadian Institute, 1913)

The natural history review - Belfast Natural History; Philosophical Society. (Hodges & Smith, 1862)

Natural science (Macmillan & Co, 1893)

La naturaleza; periódico científico del Museo Nacional de Historia Natural y de la Sociedad Mexicana de Historia Natural - Sociedad Mexicana de Historia Natural. (Impr. de I. Escalante, 1891)

A naturalist in Brazil; the record of a year's observation of her flora, her fauna, and her people - Guenther, Konrad, 1874 -1955 (Houghton Mifflin Company, 1931)

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