Monographs of the United States Geological Survey - Geological Survey (U.S.) (Govt. Print. Off, 1882)

The Monroe Nursery [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (I.E. Ilgenfritz' Sons Company, 1921)

Monthly Magazine or British Register (of Politics, Literature and the Belles Lettres) (1800)

Monthly report of the Department of Agriculture ... - United States. Dept. of Agriculture. Division of Statistics. (G.P.O, 1863)

Montrose Nurseries : ornamental trees, shrubs, evergreens, roses, vines, water lilies, fruit trees, small fruits, herbaceous plants, etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.S. Peterson & Sons, 1899)

Montrose Nurseries : ornamental trees, shrubs, evergreens, roses, vines, water lilies, fruit trees, small fruits, herbaceous plants, etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (E.S. Peterson & Sons, 1900)

Montrose Nurseries : ornamental trees, shrubs, evergreens, roses, vines, water lilies, fruit trees, small fruits, herbaceous plants, etc - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Montrose Nurseries, 1903)

Moon's hardy trees & plants for every place & purpose - Moon, Samuel C. (Firm) (The Company, 1905)

Moon's hardy trees & plants for every place & purpose. 1916 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (William H. Moon Company, 1916)

Moon's hardy trees & plants for every place & purpose - Moon, Samuel C. (Firm) (The Company, 1906)

Moon's hardy trees & plants for every place & purpose - Moon, Samuel C. (Firm) (The Company, 1907)

Moon's hardy trees & plants for every place & purpose - Moon, Samuel C. (Firm) (The Company, 1908)

Moon's hardy trees & plants for every place & purpose - Moon, Samuel C. (Firm) (The Company, 1909)

Moon's hardy trees & plants for every place & purpose - Moon, Samuel C. (Firm) (The Company, 1910)

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, 1913)

Moon's hardy trees & plants for every place & purpose - Moon, Samuel C. (Firm) (The Company, 1914)

Moon's hardy trees & plants for every place & purpose - Moon, Samuel C. (Firm) (The Company, 1915)

Moon's hardy trees & plants for every place & purpose - Moon, Samuel C. (Firm) (The Company, 1916)

Moon's hardy trees & plants for every place & purpose - Moon, Samuel C. (Firm) (The Company, 1917)

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 : 1915 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (William H. Moon Company, 1915)

Moon's hardy trees & plants for every place and purpose : 1914 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (William H. Moon Company, 1914)

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 plants for every place and purpose : 1909 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wm. H. Moon Company, 1909)

Moon's hardy trees and plants for every place and purpose : 1910 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wm. H. Moon Company, 1910)

Moon's hardy trees and plants for every place and purpose : 1913 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (William H. Moon Company, 1913)

Moon's hardy trees and plants for every place and purpose : wholesale catalog spring edition - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (William H. Moon Company, 1913)

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 1921 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wm. H. Moon Company, 1921)

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. 1917 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (William H. Moon Company, 1917)

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

Mooseheart Nurseries [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Mooseheart Nurseries, 1916)

The more important shade tree insects of eastern Canada and their control - Canada. Department of Agriculture. (Minister of Agriculture, 1926)

Morris Arboretum bulletin - University of Pennsylvania. Morris Arboretum. (Morris Arboretum, etc, 1955)

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

Morris Arboretum bulletin - University of Pennsylvania. Morris Arboretum. (Morris Arboretum, etc, 1960)

Morris Arboretum bulletin - University of Pennsylvania. Morris Arboretum. (Morris Arboretum, etc, 1961)

Morris Arboretum bulletin - University of Pennsylvania. Morris Arboretum. (Morris Arboretum, etc, 1963)

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

Morris Arboretum bulletin - University of Pennsylvania. Morris Arboretum. (Morris Arboretum, etc, 1967)

The Morris Nursery Company [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Morris Nursery Company, 1917)

The Morris Nursery Company [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Morris Nursery Company, 1915)

The Morris Nursery Company [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Morris Nursery Company, 1914)

The Morris Nursery Company [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Morris Nursery Company, 1912)

Morrisville Nursery ornamental trees and shrubs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Morrisville Nurseries, 1905)

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

Mount Airy Nurseries : 1900 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (David G. Yates & Co, 1900)

Mount Arbor Nurseries [catalog, 1921] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Mount Arbor Nurseries, 1921)

The Mount Arbor Nurseries [catalog, 1926] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Mount Arbor Nurseries, 1926)

[Mount Arbor Nurseries materials] - Mount Arbor Nurseries. (1901)

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)

Mount Hope Nurseries established 1840 : general catalogue - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ellwanger & Barry, 1909)

Mount Hope Nurseries established 1840 : general catalogue - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Ellwanger & Barry, 1911)

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)

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

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

Museum bulletin - New York State Museum. (University of the State of New York, 1908)

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

Museum Wormianum, seu, Historia rerum rariorum : tam naturalium, quam artificialium, tam domesticarum, quam exoticarum, quae Hafniae Danorum in aedibus authoris servantur - Elzevir, Daniel, 1626 -1680 (Apud Iohannem Elsevirium, 1655)

Museum Wormianum; seu, Historia rerum rariorum, tam naturalium, quam artificialium, tam domesticarum, quam exoticarum, quae Hafniae Danorum in a aedibus authoris servantur - Worm, Ole, 1588 -1654 (ex officina Elseviriorum, 1655)

Die mutationstheorie. Versuche und beobachtungen über die entstehung von arten im pflanzenreich - Vries, Hugo de, 1848 -1935 (Veit & comp, 1903)

My big bargain catalog : spring and fall 1919 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Gurney Seed & Nursery Co, 1919)

My garden in spring - Bowles, E. A. (Edward Augustus), 1865 -1954 (Dodge Pub. Co, 1914)

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

Mycologia - New York Botanical Garden (New York Botanical Garden, 1913)

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, 1919)

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)

Mycotrophy in plants; lectures on the biology of mycorrhizae and related structures - Kelley, Arthur Pierson, 1897 -1979 (Chronica Botanica Co, 1950)

The Myxomycetes; a descriptive list of the known species with special reference to those occurring in North America - Macbride, Thomas H. (Thomas Huston), 1848 -1934 (The Macmillan Company, 1934)

Názorná kvĕtena zemí koruny c̆eské, obsahujíci téz̆ c̆elnĕjs̆í rostliny cizozemské, pĕstované u nás pro uz̆itek a okrasu, se zvlás̆tním zr̆etelem k zjevům z̆ivotním - Polivka, František, 1923 (Nákl. R. Prombergra, 1900)

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)

The National nurseryman : for growers and dealers in nursery stock - American Association of Nurserymen. (National Nurseryman Pub. Co.], 1894)

The National nurseryman : for growers and dealers in nursery stock - American Association of Nurserymen. (National Nurseryman Pub. Co.], 1895)

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

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

Native trees of Canada - Canada. Forestry Branch. (Dept. of the Interior, 1917)

Native trees of Canada - Canada. Forestry Branch. (Minister of the Interior, 1917)

Native trees of Canada - Canada. Forestry Branch. (Dept. of the Interior, Forestry Branch, 1921)

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)

Die natürlichen Pflanzen-Familien nach ihren gegenseitigen Verwandtschaften : mit einer vergleichemden Uebersicht der Systeme von Jussieu, De Candolle und Endlicher - Gmelin, Paul. (E. Schweizerbart, 1867)

Die Natur - Müller, Karl, 1818 -1899 (G. Schwetschke, 1852)

Naturae novitates : Bibliographie neuer Erscheinungen aller Länder auf dem Gebiete der Naturgeschichte und der exacten Wissenschaften (R. Friedländer & Sohn, 1921)

The natural history of plants - Baillon, H. (Henri), 1827 -1895 (L. Reeve & co, 1871)

The natural history of plants - Baillon, H. (Henri), 1827 -1895 (L. Reeve & co, 1878)

Natural history of the insects of India, containing upwards of two hundred and twenty figures and descriptions - Donovan, E. (Edward), 1768 -1837 (Henry G. Bohn, 1842)

The natural history of Washington territory and Oregon : with much relating to Minnesota, Nebraska, Kansas, Utah, and California between the thirty-sixth and forty-ninth parallels of latitude : being those parts of the final reports on the survey of the Northern Pacific Railroad route, relating to the natural history of the regions explored : with full catalogues and descriptions of the plants and animals collected from 1853 to 1860 - Cooper, J. G. (James Graham), 1830 -1902 (Bailliáere Brothers ... [and 3 others], 1860)

The natural history of Washington territory, with much relating to Minnesota, Nebraska, Kansas, Oregon, and California, between the thirty-sixth and forty-ninth parallels of latitude, being those parts of the final reports on the survey of the Northern Pacific railroad route, containing the climate and physical geography, with full catalogues and descriptions of the plants and animals collected from 1853 to 1857 - Gray, Asa, 1810 -1888 (Baillière brothers, 1859)

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

Natural science (Macmillan & Co, 1896)

Natural science : a monthly review of scientific progress (Macmillan and Company [etc.], 1896)

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, 1882)

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, 1910)

Naturalientausch, &c. No. 1 - 12 - Opiz, Philipp Maximilian. (1824)