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

Missouriensis - Missouri Native Plant Society. (Missouri Native Plant Society, 1984)

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

Missouriensis - Missouri Native Plant Society. (Missouri Native Plant Society, 1988)

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

Monatsberichte der Königlichen Preussische Akademie des Wissenschaften zu Berlin - Königlich Preussische Akademie der Wissenschaften zu Berlin (Königliche Akademie der Wissenschaften, 1872)

Monograph & iconograph of native British Orchidace - Godfery, Hilda Margaret. (University press, 1933)

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 (D. Appleton, 1903)

Moscosoa : contribuciones científicas del Jardín Botánico Nacional "Dr. Rafael M. Moscoso" - Jardín Botánico Nacional "Dr. Rafael M. Moscoso." (El Jardín, 1983)

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)

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

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

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

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

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

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

Narrative of an expedition through the upper Mississippi to Itasca Lake, the actual source of this river : embracing an exploratory trip through the St. Croix and Burntwood (or Broule) Rivers, in 1832 - Schoolcraft, Henry Rowe, 1793 -1864 (Harper, 1834)

Narrative of an expedition through the upper Mississippi to Itasca Lake, the actual source of this river embracing an exploratory trip through the St. Croix and Burntwood (or Broule) rivers in 1832, under the direction of Henry R. Schoolcraft - Schoolcraft, Henry Rowe, 1793 -1864 (Harper & Brothers, 1834)

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

Native plants of the National Park Region - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Frank H. Rose, 1949)

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 - Hall, James, 1811 -1898 (D. Appleton & co. and Wiley & Putnam, 1843)

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

The natural history of plants : their forms, growth, reproduction, and distribution - Kerner von Marilaun, Anton, 1831 -1898 (Blackie, 1895)

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 plants, their forms, growth, reproduction, and distribution: from the German of Anton Kerner von Marilaun ... Tr. and ed. by F.W. Oliver ... with the assistance of Marian Busk ... and Mary F. Ewart ... With about 2000 original woodcut illustrations and sixteen plates in colours - Kerner von Marilaun, Anton, 1831 -1898 (H. Holt and company, 1895)

The natural history of plants, their forms, growth, reproduction, and distribution - Kerner von Marilaun, Anton, 1831 -1898 (H. Holt and Company, 1895)

The natural history of plants, their forms, growth, reproduction, and distribution: from the German of Anton Kerner von Marilaun ... Tr. and ed. by F.W. Eliver ... with the assistance of Marian Busk ... and Mary F. Ewart - Kerner von Marilaun, Anton, 1831 -1898 (Blackie, 1894)

The natural history of plants; their forms, growth, reproduction, and distribution - Kerner von Marilaun, Anton, 1831 -1898 (Blackie, 1896)

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

The natural history of plants, their forms, growth, reproduction, and distribution: from the German of Anton Kerner von Marilaun - Kerner von Marilaun, Anton, 1831 -1898 (H. Holt, 1895)

The natural history of plants; their forms, growth, reproduction, and distribution - Kerner von Marilaun, Anton, 1831 -1898 (Blackie, 1894)

The natural history of plants, their forms, growth reproduction, and distribution; from the German of Anton Kerner von Marilaun - Kerner von Marilaun, Anton, 1831 -1898 (Blackie & Son, 1895)

The natural history review - Belfast Natural History; Philosophical Society. (Hodges & Smith, 1858)

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)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1884)

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1961)

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

The naturalist - West-Riding Consolidated Naturalists' Society (Simpkin, Marshall, 1998)

The Naturalist : illustrative of the animal, vegetable, and mineral kingdoms - Maund, B. (Benjamin), 1790 -1863 (R. Groombridge, 1839)

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)

The naturalist's diary: a day-book of meteorology, phenology and rural biology. With a chart showing the blossoming of spring flowers in Europe, and an introduction of natural periodic phenomena, etc. 188 - Roberts, Charles, Dec 31 1901 (Sonnenschein, Le Bas and Lowrey, 1886)

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

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1874)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1893)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1896)

Nature - Lockyer, Norman, Sir, 1836 -1920 (Macmillan Journals Ltd., etc, 1898)

Nature and science on the Pacific coast : a guide-book for scientific travelers in the West - American Association for the Advancement of Science. Pacific Coast Committee. (P. Elder, 1915)

The nature and work of plants - MacDougal, Daniel Trembly, 1865 -1958 (MacMillan, 1909)

The nature and work of plants; an introduction to the study of botany - MacDougal, Daniel Trembly, 1865 -1958 (The Macmillan Co, 1900)

The nature and work of plants; an introduction to the study of botany - MacDougal, Daniel Trembly, 1865 -1958 (Macmillan, 1900)

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 study - Manchester Institute of Arts; Sciences. ([Nature Study Press], 1901)

La nature tropicale - Costantin, J. (Julien), 1857 -1936 (F. Alcan, 1899)

Naturhistorisk tidsskrift - Schiødte, J. C. (Jørgen Matthias Christian), 1815 -1884 (C.A. Reitzel, 1838)

Naturhistorisk tidsskrift - Schiødte, J. C. (Jørgen Matthias Christian), 1815 -1884 (C.A. Reitzel, 1842)

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)

Naturwissenschaftliche Rundschau : wöchentliche Berichte über die Fortschritte auf dem Gesammtgebiete der Naturwissenschaften (Druck und verlag von Friedrich Vieweg und Sohn, 1890)

Naturwissenschaftliche Rundschau : wöchentliche Berichte über die Fortschritte auf dem Gesammtgebiete der Naturwissenschaften (Druck und verlag von Friedrich Vieweg und Sohn, 1899)

Naturwissenschaftliche Rundschau : wöchentliche Berichte über die Fortschritte auf dem Gesammtgebiete der Naturwissenschaften (Druck und verlag von Friedrich Vieweg und Sohn, 1910)

Naturwissenschaftliche Wochenschrift - Deutsche Gesellschaft für Volkstümliche Naturkunde in Berlin. (G. Fischer [etc.], 1910)

Natuurlyke historie : of, Uitvoerige beschryving der dieren, planten, en mineraalen - Linné, Carl von, 1707 -1778 (By F. Houttuyn [and others], 1780)

Neuer Schauplatz der Natur nach den richtigen Beobachtungen und Versuchen in Alphabetischer Ordnung (bey M.G. Weidmanns Erben und Reich, 1775)

Neues Journal für die Botanik - Schrader, H. A. (Heinrich Adolph),‏ 1767 -1836 (Friedrich August Knick, 1810)

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

A new and easy method of studying British wild flowers by natural analysis : being a complete series of illustrations of their natural orders and genera analytically arranged - Messer, Frederick A. (David Bogue, 1880)

The new botanist's guide to the localities of the rarer plants of Britain ; on the plan of Turner and Dillwyn's Botanist's guide - Watson, Hewett Cottrell, 1804 -1881 (Printed for Longman, Rees, Orme, Brown, Green, and Longman, 1835)

A new British flora : British wild flowers in their natural haunts - Horwood, A. R. (Arthur Reginald), 1879 -1937 (Gresham, 1919)

New England farmer, and gardener's journal (George C. Barrett, 1838)

New manual of botany of the central Rocky mountains (vascular plants) - Coulter, John Merle, 1851 -1928 (American Book Company, 1909)

New manual of botany of the central Rocky mountains (vascular plants) - Coulter, John Merle, 1851 -1928 (American book company, 1909)

New manual of botany of the central Rocky Mountains, vascular plants - Coulter, John Merle, 1851 -1928 (American Book Co, 1909)

The New Mexico botanist - New Mexico State University. Cooperative Extension Service. (Range Science Herbarium and Cooperative Extension Service, 1995)

The New phytologist - Tansley, A. G., Sir, (Arthur George), 1871 -1955 (Academic Press, 1916)

News - Indiana Native Plant; Wildflower Society. (Indiana Native Plant and Wildflower Society, 1994)

Nicolai Thomae Host ... Synopsis plantarum in Austria provinciisque adiacentibus sponte crescentium - Host, Nikolaus Thomas, 1761 -1834 (sumptibus C. F. Wappler, 1797)

Nomenclator botanicus :enumerans ordine alphabetico nomina atque synonyma, tum generica tum specifica, et a Linnaeo et recentioribus de re botanica scriptoribus plantis phanerogamis imposita - Steudel, Ernst Gottlieb, 1783 -1856 (Sumptibus J.G. Cottae, 1824)

Nomenclator botanicus. Nominum ad finem anni 1858 publici juris factorum, classes, ordines, tribus, familias, divisiones, genera, subgenera vel sectiones designatium enumeratio alphabetica. Adjectis auctoribus, temporibus, locis systematicis, apud varios, notis literariis atque etymologicis et synonymis - Pfeiffer, Louis (Ludwig Georg Karl), 1805 -1877 (Sumptibus T. Fischeri, 1873)

Nomenclator botanicus, seu, Synonymia plantarum universalis :enumerans ordine alphabetico nomina atque synonyma, tum generica tum specifica, et a Linnaeo et a recentioribus de re botanica scriptoribus plantis phanerogamis imposita - Steudel, Ernst Gottlieb, 1783 -1856 (typis et sumptibus J.G. Cottae, 1841)

Nomenclator ex Historia plantarum indigenarum Helvetiae excerptus - Haller, Albrecht von, 1708 -1777 (sumptibus Societatis typographicæ, 1769)

Nomenclator "Florae Danicae;" sive, Index systematicus et alphabeticus operis quod "Icones florae Danicae" inscribitur, cum enumeratione tabularum ordinem temporum habente, adiectis notis criticis - Lange, Joh., 1818 -1898 (Lehmann & Stage, 1887)