A manual of weeds, with descriptions of all the most pernicious and troublesome plants in the United States and Canada, their habits of growth and distribution, with methods of control - Georgia, Ada Eljiva, 1859 - (The Macmillan Company, 1916)

A manual of weeds, with descriptions of all the most pernicious and troublesome plants in the United States and Canada - Georgia, Ada Eljiva, 1859 - (The Macmillan company, 1914)

Maryland naturalist - Natural History Society of Maryland (The Society, 1999)

Les mauvaises herbes du Canada - Fletcher, James 1852 -1908 (Impr. du gouvernement, 1909)

Les mauvaises herbes et leurs graines, avec illustrations et descriptions - Canada. Department of Agriculture. Seed Division. (le Ministère, 1930)

Meadows and pastures - Wing, Joseph E. (Joseph Elwyn), 1861 -1915 (The Breeder's Gazette, 1911)

Medicinal herbs and poisonous plants - Ellis, David, 1874 -1937 (Blackie and Son, 1913)

Memoir - Cornell University. Agricultural Experiment Station. (1921)

Mémoires de la Société nationale des sciences naturelles et mathématiques de Cherbourg - Société nationale des sciences naturelles et mathématiques de Cherbourg. (J. B. Baillière, 1911)

Memoirs - Brooklyn Botanic Garden. (The Garden, 1918)

Memoirs of the San Diego Society of Natural History - San Diego Society of Natural History. (The Society, 1981)

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, 1900)

Memoirs of the Torrey Botanical Club - Torrey Botanical Club. (Published for the Club by the Seeman Printery, 1943)

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, 1996)

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, 1998)

meng guo ren min gong he guo de tu rang - Fang, Wenzhe (ke xue chu ban she, 1959)

Metabolic fate of herbicides in plants - Metabolism; Radiation Research Laboratory (Fargo, N. Dak.) (U.S. Dept. of Agriculture, Agricultural Research Service, 1965)

Methods of eradication of some of the noxious weeds of Ontario - Ontario. Dept. of Agriculture. (L.K. Cameron, 1905)

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 1965)

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 1966)

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 1970)

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

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

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

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 1976)

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, 1979)

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 1980)

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 1982)

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 1983)

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

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 1986)

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 1987)

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

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 1990)

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, 1997)

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 1998)

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 2002)

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, 2010)

Michigan botanist - Michigan Botanical Club. (Michigan Botanical Club, 2014)

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 weeds - Beal, W. J. (William James), 1833 -1924 (Michigan Agricultural College Experiment Station, Botanical Dept, 1911)

Michigan weeds - Beal, W. J. (William James), 1833 -1924 (1915)

Microfungi parasitic on vascular plants in Waterton Lakes National Park, Alberta, and environs - Parmelee, John A. (Agriculture Canada, Research Branch, 1984)

Midland naturalist - Birmingham Natural History; Microscopical Society (Birmingham, England) (Hardwicke and Bogue, 1892)

Midwestern wetland flora field office guide to plant species - Biotic Consultants. (USDA-Soil Conservation Service, Midwest National Technical Center, 1997)

Mineral salts absorption in plants - Sutcliffe, James Frederick. (Pergamon Press, 1962)

Minnesota botanical studies - Geological; Natural History Survey of Minnesota. (Geological and Natural History Survey of Minnesota, 1894)

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

Minnesota botanical studies - Geological; Natural History Survey of Minnesota. (Geological and Natural History Survey of Minnesota, 1898)

Minnesota botanical studies - Geological; Natural History Survey of Minnesota. (Geological and Natural History Survey of Minnesota, 1900)

Minnesota botanical studies - Geological; Natural History Survey of Minnesota. (Geological and Natural History Survey of Minnesota, 1903)

Minnesota botanical studies - Geological; Natural History Survey of Minnesota. (Geological and Natural History Survey of Minnesota, 1909)

Minnesota plant press : newsletter of the Minnesota Native Plant Society - Minnesota Native Plant Society. (Minnesota Native Plant Society, 1987)

Minnesota weeds : ser. 1-[3] - Boss, Andrew, 1867 -1947 (University of Minnesota, 1913)

[Miscellaneous papers on injurious insects - Fitch, Asa, 1809 -1879 (1845)

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 Botanical Garden bulletin - Missouri Botanical Garden. (Missouri Botanical Garden], 1959)

Missouri Botanical Garden bulletin - Missouri Botanical Garden. (Missouri Botanical Garden], 1961)

Missouriensis - Missouri Native Plant Society. (Missouri Native Plant Society, 1987)

Missouriensis - Missouri Native Plant Society. (Missouri Native Plant Society, 1989)

Missouriensis - Missouri Native Plant Society. (Missouri Native Plant Society, 2000)

Mitteilungen aus dem Botanischen Museum der Universität Zürich - Universität Zürich. Botanisches Museum. (Botanisches Museum der Universität Zürich], 1912)

Mitteilungen aus dem Botanischen Museum der Universität Zürich - Universität Zürich. Botanisches Museum. (Botanisches Museum der Universität Zürich], 1914)

Mitteilungen aus dem Botanischen Museum der Universität Zürich - Universität Zürich. Botanisches Museum. (Botanisches Museum der Universität Zürich], 1920)

Montana wetland Index of Alien Impact (IAI) - Montana Natural Heritage Program. (Montana Natural Heritage Program, 2017)

Montana wetlands management study - United States. Bureau of Reclamation. (Bureau of Reclamation, 1992)

Monthly report offices of forest experiment stations and dendrology - United States. Forest Service. (1941)

Morris Arboretum bulletin - University of Pennsylvania. Morris Arboretum. (Morris Arboretum, etc, 1975)

mu cao tian lun zuo zhi 牧草田轮作制 - Asaev, M. G. (zhong hua shu ju gu fen you xian gong si 中华书局股份有限公司, 1953)

Museum bulletin - New York State Museum. (University of the State of New York, 1912)

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

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, 1918)

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

Mycologia - New York Botanical Garden (New York Botanical Garden, 1920)

Mycologia - New York Botanical Garden (New York Botanical Garden, 1922)

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, 1914)

Mycotaxon (Mycotaxon, 2011)

Mycotaxon (Mycotaxon, 2013)

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

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

A natural arrangement of British plants : according to their relations to each other as pointed out by Jussieu, De Candolle, Brown, &c - Gray, Samuel Frederick, 1766 -1828 (Baldwin, Cradock, and Joy, 1821)

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

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

The natural history of plants, their forms, growth, reproduction, and distribution - Kerner von Marilaun, Anton, 1831 -1898 (Blackie & son, limited, 1902)

The Natural History of the Scarborough district - Rimington, F. C. (Scarborough Field Naturalists' Society, 1953)

Naturalientausch, &c. No. 1 - 12 - Opiz, Philipp Maximilian. (1825)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1896)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1898)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1906)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1915)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1920)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1922)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1937)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1938)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1940)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1941)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1943)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1946)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1948)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1949)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1951)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1955)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1957)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1959)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1963)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1964)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1967)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1968)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1975)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1978)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1999)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 2003)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1910)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1921)

The nature book; a popular description by pen and camera of the delights and beauties of the open air (Cassell, 1908)

Nature Reserves of the Himalaya and the Mountains of Central Asia (1993)