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

Nomenclator zoologicus : continens nomina systematica generum animalium tam viventium quam fossilium, secundum ordinem alphabeticum disposita, adjectis auctoribus, libris, in quibus reperiuntur, anno editionis, etymologia et familiis, ad quas pertinent, in singulis classibus - Agassiz, Louis, 1807 -1873 (Jent et Gassmann, 1842)

Nomenclatoris zoologici index universalis : continens nomina systematica classium, ordinum, familiarum et generum animalium omnium ... homonymiis plantarum - Agassiz, Louis, 1807 -1873 (Sumptibus Jent et Gassman, 1848)

North American botany; comprising the native and common cultivated plants, north of Mexico. Genera arranged according to the artificial and natural methods - Eaton, Amos, 1776 -1842 (E. Gates, 1840)

North American flora - New York Botanical Garden (New York Botanical Garden, 1922)

North American flora - New York Botanical Garden (New York Botanical Garden, 1907)

North American flora - New York Botanical Garden (New York Botanical Garden, 1924)

The North American sylva, or A description of the forest trees of the United States, Canada and Nova Scotia ... to which is added a description of the most useful of the European forest trees ... - Hillhouse, Augustus L. (Augustus Lucas), 1791 -1859 (Printed by C. D'Hautel, 1819)

North American trees (exclusive of Mexico and tropical United States) A handbook designed for field use - Preston, Richard Joseph, 1905 - (Iowa State University Press, 1961)

North American trees : guide to Charles F. Millspaugh Hall - Field Museum of Natural History. (1934)

The North Queensland Naturalist : the journal and magazine of the North Queensland Naturalist Club - North Queensland Naturalists' Club. (The Club, 1933)

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, 1990)

North Queensland Naturalists Club - North Queensland Naturalists' Club. (North Queensland Naturalists Club, 1997)

Northern Territory botanical bulletin - Australia. Department of the Northern Territory. Animal Industry; Agriculture Branch. (Animal Industry and Agriculture Branch, Dept. of Northern Australia, 1975)

Northern Territory botanical bulletin - Australia. Department of the Northern Territory. Animal Industry; Agriculture Branch. (Animal Industry and Agriculture Branch, Dept. of Northern Australia, 1979)

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, 2001)

Notas botânicas (Ceará) - Löfgren, Alberto, 1854 -1918 (Impr. Ingleza, 1923)

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

Notes from the Royal Botanic Garden, Edinburgh - Royal Botanic Garden, Edinburgh. (H. M. Stationery Off, 1920)

Notes of a botanist on the Amazon & Andes : being records of travel on the Amazon and its tributaries, the Trombetas, Rio Negro, Uaupés, Casiquiari, Pacimoni, Huallaga, and Pastasa; as also to the cataracts of the Orinoco, along the eastern side of the Andes of Peru and Ecuador, and the shores of the Pacific, during the years 1849-1864 - Wallace, Alfred Russel, 1823 -1913 (Macmillan, 1908)

Notes of a botanist on the Amazon & Andes; being records of travel on the Amazon and its tributaries, the Trombetas, Rio Negro, Uaupâes, Casiquiari, Pacimoni, Huallaga and Pastasa; as also to the cataracts of the Orinoco, along the eastern side of the Andes of Peru and Ecuador, and the shores of the Pacific, during the years 1849-1864 - Wallace, Alfred Russel, 1823 -1913 (Macmillan and co., limited, 1908)

Notes on agave and furcraea in India (Dict. ec. pr., vol.1, A.602-638; vol.3, F.749) - Drummond, J. R. (James Ramsay), 1851 -1921 (The Bengal secretarial book depot, 1906)

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 flora of Nova Scotia - Fernald, Merritt Lyndon, 1873 -1950 (1920)

Notes sur la flore du Katanga - De Wildeman, Emile 1866 -1947 (1910)

Notes upon trees and shrubs adapted to central Illinois : with especial reference to their value in ornamental planting - Gibbs, George, Jr. (1900)

Notiser ur Sällskapets pro Fauna et Flora Fennica förhandlingar - Societas pro Fauna et Flora Fennica (Sällskapet pro Fauna et Flora Fennica, 1848)

Notiser ur Sällskapets pro Fauna et Flora Fennica förhandlingar - Societas pro Fauna et Flora Fennica (Sällskapet pro Fauna et Flora Fennica, 1871)

Notizblatt des Königl. Botanischen Gartens und Museums zu Berlin - Engler, Adolf, 1844 -1930 (In Commission bei Wilhelm Engelmann, 1898)

Notizblatt des Königl. Botanischen Gartens und Museums zu Berlin - Engler, Adolf, 1844 -1930 (In Commission bei Wilhelm Engelmann, 1900)

Notizblatt des Königl. Botanischen Gartens und Museums zu Berlin - Engler, Adolf, 1844 -1930 (In Commission bei Wilhelm Engelmann, 1901)

Notizblatt des Königl. Botanischen Gartens und Museums zu Berlin - Engler, Adolf, 1844 -1930 (In Commission bei Wilhelm Engelmann, 1903)

Notizblatt des Königl. Botanischen Gartens und Museums zu Berlin - Engler, Adolf, 1844 -1930 (In Commission bei Wilhelm Engelmann, 1904)

Notizblatt des Königl. Botanischen Gartens und Museums zu Berlin - Engler, Adolf, 1844 -1930 (In Commission bei Wilhelm Engelmann, 1909)

Notizblatt des Königl. Botanischen Gartens und Museums zu Berlin - Engler, Adolf, 1844 -1930 (In Commission bei Wilhelm Engelmann, 1915)

Notizblatt des Königl. Botanischen Gartens und Museums zu Berlin - Engler, Adolf, 1844 -1930 (In Commission bei Wilhelm Engelmann, 1913)

Notizen aus dem Gebiete der Natur- und Heilkunde (G.H.S. pr. Landes-Industrie-Comptoir, 1822)

Notizen aus dem Gebiete der Natur- und Heilkunde (Druck und Verlag des Landes-Industrie-Comptoirs, 1847)

Notizen aus dem Gebiete der Natur- und Heilkunde (G.H.S. pr. Landes-Industrie-Comptoir, 1823)

Notizen aus dem Gebiete der Natur- und Heilkunde (G.H.S. pr. Landes-Industrie-Comptoir, 1827)

Notizen aus dem Gebiete der Natur- und Heilkunde (G.H.S. pr. Landes-Industrie-Comptoir, 1836)

Nova acta Academiae Caesareae Leopoldino-Carolinae Germanicae Naturae Curiosorum - Kaiserlich Leopoldinisch-Carolinische Deutsche Akademie der Naturforscher (E. Blochmanni et Filii, 1887)

Nova acta Academiae Caesareae Leopoldino-Carolinae Germanicae Naturae Curiosorum - Kaiserlich Leopoldinisch-Carolinische Deutsche Akademie der Naturforscher (E. Blochmanni et Filii, 1893)

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

Nova acta Regiae Societatis Scientiarum Upsaliensis - Kungl. Vetenskaps-societeten i Uppsala. (Almqvist & Wiksells, 1850)

Nova genera et species plantarum :quas in itinere per Brasiliam MDCCCXVII-MDCCCXX jussu et auspiciis Maximiliani Josephi I., Bavariae regis augustissimi instituto - Martius, Karl Friedrich Philipp von, 1794 -1868 (Impensis Auctoris, 1824)

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, 1821)

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)

Nova Guinea : résultats de l'expédition scientifique néerlandaise à la Nouvelle-Guinée ... - Beaufort, L. F. de (Lieven Ferdinand), 1879 -1968 (E.J. Brill, 1907)

Nova Guinea : résultats de l'expédition scientifique néerlandaise à la Nouvelle-Guinée ... - Beaufort, L. F. de (Lieven Ferdinand), 1879 -1968 (E.J. Brill, 1914)

Novitates zoologicae : a journal of zoology in connection with the Tring Museum - British Museum (Natural History) (Zoological Museum, 1924)

Novon a journal of botanical nomenclature from the Missouri Botanical Garden - Missouri Botanical Garden. (Missouri Botanical Garden, 2004)

Novon a journal of botanical nomenclature from the Missouri Botanical Garden - Missouri Botanical Garden. (Missouri Botanical Garden, 2005)

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

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)

Nuovi annali delle scienze naturali (1853)

The nursery-book; a complete guide to the multiplication of plants - Bailey, L. H. (Liberty Hyde), 1858 -1954 (The Macmillan Company, 1901)

The nursery-manual; a complete guide to the multiplication of plants - Bailey, L. H. (Liberty Hyde), 1858 -1954 (Macmillan, 1920)

De nuttige planten van Nederlandsch-Indië, tevens synthetische catalogus der verzamelingen van het Museum voor Technische- en Handelsbotanie te Buitenzorg - Heyne, K. (Ruygrok, 1913)

Nuytsia: journal of the Western Australian Herbarium - Western Australia. Department of Agriculture (Department of Biodiversity, Conservation and Attractions, 1994)

Nuytsia: journal of the Western Australian Herbarium - Western Australia. Department of Agriculture (Department of Biodiversity, Conservation and Attractions, 1996)

Nuytsia: journal of the Western Australian Herbarium - Western Australia. Department of Agriculture (Department of Biodiversity, Conservation and Attractions, 1999)

Nuytsia: journal of the Western Australian Herbarium - Western Australia. Department of Agriculture (Department of Biodiversity, Conservation and Attractions, 2014)

Nuytsia: journal of the Western Australian Herbarium - Western Australia. Department of Agriculture (Department of Biodiversity, Conservation and Attractions, 2020)

Nuytsia: journal of the Western Australian Herbarium - Western Australia. Department of Agriculture (Department of Biodiversity, Conservation and Attractions, 2022)

Nyt magazin for naturvidenskaberne - Physiographiske forening i Christiania. (Johan Dahl, 1868)

Nzayilu N'ti : Guide des arbres et arbustes de la région de Kinshasa - Brazzaville - Robbrecht, Elmar (1993)

Österreichs allgemeine baumzucht, : oder Abbildungen in- und ausländischer Bäume und Sträuche, deren Anpflanzung in Österreich möglich und nützlich ist - Schmidt, Franz, 1751 -1835 (Ignaz Albertischen Buchdruck, 1822)

Observations of a naturalist in the Pacific between 1896 and 1899 - Guppy, H. B. (Henry Brougham), 1854 -1926 (Macmillan and Co, 1903)

Observations of a naturalist in the Pacific between 1896 and 1899 - Guppy, H. B. (Henry Brougham), 1854 -1926 (Macmillan and co., limited, 1903)

Observations on the Coccidae of Egypt - Hall, W. J. (Wilfrid John), 1892 -1965 (Government Press, 1922)

Observations on the flowering plants, ferns and fern allies growing wild in Marquette County, Michigan, in 1916 and 1917, especially in the vicinity of the Huron Mountain Club - University of Michigan. Museum of Zoology. (Published by the University, 1918)

Occasional papers of the California Academy of Sciences - California Academy of Sciences (California Academy of Sciences, 1993)

Occasional papers of the Farlow Herbarium of Cryptogamic Botany - Farlow Reference Library; Herbarium. (Harvard University, Farlow Herbarium of Cryptogamic Botany, 1978)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1859)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1882)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1883)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1885)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1887)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1890)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1891)

Oesterreichische botanische Zeitschrift (A. Skofitz, 1897)