North American flora - New York Botanical Garden (New York Botanical Garden, 1939)

The North American species of Panicum - Chase, Agnes, 1869 -1963 (Govt. Print. Off, 1910)

The North Queensland Naturalist : the journal and magazine of the North Queensland Naturalist Club - North Queensland Naturalists' Club. (The Club, 1941)

The North Queensland Naturalist : the journal and magazine of the North Queensland Naturalist Club - North Queensland Naturalists' Club. (The Club, 1944)

The North Queensland Naturalist : the journal and magazine of the North Queensland Naturalist Club - North Queensland Naturalists' Club. (The Club, 1945)

The North Queensland Naturalist : the journal and magazine of the North Queensland Naturalist Club - North Queensland Naturalists' Club. (The Club, 1947)

Northern Territory botanical bulletin - Australia. Department of the Northern Territory. Animal Industry; Agriculture Branch. (Animal Industry and Agriculture Branch, Dept. of Northern Australia, 1981)

Northern Territory botanical bulletin - Australia. Department of the Northern Territory. Animal Industry; Agriculture Branch. (Animal Industry and Agriculture Branch, Dept. of Northern Australia, 1989)

Northern Territory botanical bulletin - Australia. Department of the Northern Territory. Animal Industry; Agriculture Branch. (Animal Industry and Agriculture Branch, Dept. of Northern Australia, 1992)

Northern Territory botanical bulletin - Australia. Department of the Northern Territory. Animal Industry; Agriculture Branch. (Animal Industry and Agriculture Branch, Dept. of Northern Australia, 1994)

Northern Territory Naturalist - Northern Territory Field Naturalists' Club (, Northern Territory Field Naturalists' Club, 2007)

Northwest flora - Rigg, George B. (George Burton) (University bookstore, 1912)

Nota lepidopterologica - Societas Europaea Lepidopterologica (1992)

Nota lepidopterologica - Societas Europaea Lepidopterologica (2019)

Notes from the Royal Botanic Garden, Edinburgh - Royal Botanic Garden, Edinburgh. (H. M. Stationery Off, 1912)

Notes on genera of Paniceae : I-IV - Chase, Agnes, 1869 -1963 (s.n, 1906)

Notes on genera of Paniceae : I-IV - Chase, Agnes, 1869 -1963 (s.n, 1908)

Notes on genera of Paniceae : I-IV - Chase, Agnes, 1869 -1963 (s.n, 1911)

Notes on Gramineae - Bentham, George, 1800 -1884 (The Linnean Society, 1881)

[Notes on plants, 1st Archbold New Guinea Expedition] - American Museum of Natural History (1933)

Notes on the distribution of Pennsylvania plants : based on specimens in the Carnegie Museum of Natural History herbarium - Carnegie Museum of Natural History (Carnegie Museum of Natural History, 1989)

Notes on the natural history of the Strait of Magellan and west coast of Patagonia made during the voyage of H.M.S. Nassau in the years 1866, 67, 68, & 69 - Cunningham, Robert Oliver, 1841 -1918 (Edmonston and Douglas, 1871)

Notulae systematicae - Lecomte, Henri, 1856 -1934 (J. Dumoulin, 1911)

Notulae systematicae - Lecomte, Henri, 1856 -1934 (J. Dumoulin, 1923)

Notulae systematicae - Lecomte, Henri, 1856 -1934 (J. Dumoulin, 1914)

Notulae systematicae - Lecomte, Henri, 1856 -1934 (J. Dumoulin, 1920)

Notulae systematicae - Lecomte, Henri, 1856 -1934 (J. Dumoulin, 1960)

Nouveau dictionnaire d'histoire naturelle appliquée aux arts : principalement à l'agriculture et à l'économie rurale et domestique - Imprimerie de Crapelet (Paris, France) (Chez Deterville, 1803)

Nouveau dictionnaire d'histoire naturelle appliquée aux arts : principalement à l'agriculture et à l'économie rurale et domestique - Imprimerie de Crapelet (Paris, France) (Chez Deterville, 1804)

Nouveau dictionnaire d'histoire naturelle, appliquée aux arts, à l'agriculture, à l'économie rurale et domestique, à la médecine, etc (Chez Deterville, 1817)

Nouveau dictionnaire d'histoire naturelle, appliquée aux arts, à l'agriculture, à l'économie rurale et domestique, à la médecine, etc (A. Lanoe Chez Deterville, 1816)

Nouvelle flore des environs de Paris, suivant la méthode naturelle, avec l'indication des vertus des plantes usitées en médecine - Mérat, F. V. (François Victor), 1780 -1851 (Méquignon-Marvis, 1821)

Nouvelle flore du Tarn et de la Haute-Garonne sous-pyrénéenne - Bel, Jules. (Amalric, 1888)

Nouvelle flore française, descriptions succinctes et rangées par tableaux dichotomiques des plantes qui croissent spontanément en France et de celles qu'on y cultive en grand ... Ouvrage suivi d'une table générale des especes et de leurs synonymes - Gillet, C.-C. (Claude-Casimir), 1806 -1896 (Garnier freres, 1883)

Nouvelle flore, pour la détermination facile des plantes sans mots techniques, avec 2145 figuresinédites, représentant toutes les espèces vasculaires des environs de Paris, dans un rayon de 10 0 kilomètres des départements de l'Eure, de l'Eure-et-Loir, etc. et des plantes communes dans l'intérieur de la France - Bonnier, Gaston, 1853 -1922 (P. Dupont, 1891)

Nouvelle iconographie fourragère : histoire botanique, économique et agricole des plantes fourragères et des plantes nuisibles qui se rencontrent dans les prairies et les paturages : avec planches gravées sur cuivre et coloriées - Gourdon, Jean, 1824 -1876 (P. Asselin, 1871)

Nova acta physico-medica Academiae Caesareae Leopoldino-Carolinae Naturae Curiosum - Academia Caesarea Leopoldino-Carolina Naturae Curiosorum. (1835)

Nova acta physico-medica Academiae Caesareae Leopoldino-Carolinae Naturae Curiosum - Academia Caesarea Leopoldino-Carolina Naturae Curiosorum. (1841)

Nova genera et species plantarum :quas in peregrinatione ad plagam aequinoctialem orbis novi collegerunt /descripserunt, partim adumbraverunt Amat. Bonpland et Alex. de Humboldt ; ex schedis autographis Amati Bonplandi in ordinem digessit Carol. Sigismund. Kunth ... - Kunth, Karl Sigismund, 1788 -1850 (Ex officina Christophori Plantini, 1815)

Nova genera et species plantarum :quas in peregrinatione ad plagam aequinoctialem orbis novi collegerunt /descripserunt, partim adumbraverunt Amat. Bonpland et Alex. de Humboldt ; ex schedis autographis Amati Bonplandi in ordinem digessit Carol. Sigismund. Kunth ... - Kunth, Karl Sigismund, 1788 -1850 (Ex officina Christophori Plantini, 1825)

Novae plantarum species praesertim Indiae orientalis :Ex collectione doct. Benj. Heynii : cum descriptionibus et observationibus - Roth, Albrecht Wilhelm, 1757 -1834 (Sumptibus H. Vogleri, 1821)

Novon a journal of botanical nomenclature from the Missouri Botanical Garden - Missouri Botanical Garden. (Missouri Botanical Garden, 1992)

Novon a journal of botanical nomenclature from the Missouri Botanical Garden - Missouri Botanical Garden. (Missouri Botanical Garden, 1993)

Novon a journal of botanical nomenclature from the Missouri Botanical Garden - Missouri Botanical Garden. (Missouri Botanical Garden, 2003)

Novorum actorum Academiae Caesareae Leopoldino-Carolinae Germanicae Naturae Curiosorum - Kaiserlich Leopoldinisch-Carolinische Deutsche Akademie der Naturforscher (Friedrich Frommann, 1867)

Novus conspectus florae Europae; sive, Enumeratio systematica plantarum omnium in Europa hucusque sponte cognitarum - Gandoger, Michel, 1850 -1926 (A. Hermann, 1910)

Noxious weed and exotic vegetation management plan, Montana Fish, Wildlife and Parks, Region 1 - Montana. Parks Division. (The Region, 1994)

Noxious weed management plan - Montana. Department of Fish, Wildlife,; Parks. Field Services Division (Montana Fish, Wildlife & Parks, Region Six, 1997)

Noxious weed management plan - Montana. Department of Fish, Wildlife,; Parks. Region 7 (The Region, 1996)

Noxious Weed Trust Fund programmatic environmental impact statement : draft - Montana. Agricultural; Biological Sciences Division. (Montana Dept. of Agriculture, Agricultural and Biological Sciences Division, 1991)

Nuova flora analitica d'Italia, contenente la descrizione delle piante vascolari indigene inselvatichite e largamente coltivate in Italia - Fiori, Adriano 1865 -1950 (Tipografia di M. Ricci, 1923)

Nuova flora analitica d'Italia, contenente la descrizione delle piante vascolari indigene inselvatichite e largamente coltivate in Italia - Fiori, Adriano 1865 -1950 (Tipografia di M. Ricci, 1925)

De nuttige planten van Nederlandsch-Indië tevens synthetische catalogus der verzamelingen van het Museum voor Economische Botanie te Buitenzorg - Heyne, K. (Ruygrok, 1922)

Nuytsia: journal of the Western Australian Herbarium - Western Australia. Department of Agriculture (Department of Biodiversity, Conservation and Attractions, 1997)

Nya botaniska notiser ([A. Bonniers Förlag], 1851)

Nya botaniska notiser ([A. Bonniers Förlag], 1856)

Observations (mangareva exped), also coll. no. book, collection numbers 10710-10999 and localities for 8658-10709 - Fosberg, F. Raymond (Francis Raymond), 1908 -1993 (1934)

Observations on natural systems of botany - Drummond, James L. (James Lawson), 1783 -1853 (Longman, Brown, Green, and Longmans, 1849)

Observations on the biology of rodents in Uruguay - Royal Ontario Museum. (Royal Ontario Museum], 1969)

Observations sur les graminees de la flore belgique - Du Mortier, B.-C. (Barthélemy-Charles), 1797 -1878 (Impr. de J. Casterman, 1823)

Observations sur les graminées de la flore belgique, Par B.C. Dumortier - Du Mortier, B.-C. (Barthélemy-Charles), 1797 -1878 (Imprimerie de J. Casterman, Aîné, 1823)

Occasional papers - San Diego Society of Natural History. (San Diego Society of Natural History, 1949)

Occasional papers of the California Academy of Sciences - California Academy of Sciences (California Academy of Sciences, 2010)

Occasional papers of the Museum of Natural History, the University of Kansas - University of Kansas. Museum of Natural History. (The University, 1984)

Oceanus - Woods Hole Oceanographic Institution. (Woods Hole Oceanographic Institution, 1977)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1864)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1865)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1866)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1867)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1868)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1872)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1880)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1881)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1891)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1901)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1905)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1918)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1920)

Ohio Biological Survey notes - Ohio Biological Survey. (Ohio Biological Survey, 2017)

On the flora of Australia : its origin, affinities, and distribution : being an introductory essay to the flora of Tasmania - Hooker, Joseph Dalton, 1817 -1911 (Lovell Reeve, 1859)

The onion (ICAR-Directorate of Knowledge Management in Agriculture, Indian Council of Agricultural Research, 2015)

Opuscules de botanique (1862-1873) - Jussieu, Antoine Laurent de, 1748 -1836 (1875)

The Orchadian - Australasian Native Orchid Society (The Society, 1981)

Ornamental and turf manual - Montana. Environmental Management Division. (The Division, 1986)

Ornis - International Ornithological Committee. (Carl Gerold's Sohn, 1899)

The Ottawa naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1916)

The Ottawa naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1915)

Our 1953 F.S.B - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Goulard & Olena, Inc, 1953)

Our 1954 flower show broadside - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Goulard & Olena, Inc, 1954)

Our 1956 F.S.B - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Goulard & Olena, Inc, 1956)

Our 1959 F.S.B. : flower show broadside - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Goulard & Olena, Inc, 1959)

Outlines of botany for the high school laboratory and classroom (based on Gray's Lessons in botany) - Leavitt, Robert Greenleaf, 1865 -1942 (American Book Co, 1901)

Pacific science - University of Hawaii. (University Press of Hawaii, 1949)

Pacific science - University of Hawaii. (University Press of Hawaii, 1953)

Pacific science - University of Hawaii. (University Press of Hawaii, 1958)

Pacific science - University of Hawaii. (University Press of Hawaii, 1959)

Pacific science - University of Hawaii. (University Press of Hawaii, 1960)

Pacific science - University of Hawaii. (University Press of Hawaii, 1967)