Neue Denkschriften der Allgemeinen Schweizerischen Gesellschaft für die Gesammten Naturwissenschaften - Allgemeine Schweizerische Gesellschaft für die Gesamten Naturwissenschaften. (1841)

Neue Denkschriften der Allgemeinen Schweizerischen Gesellschaft für die Gesammten Naturwissenschaften - Allgemeine Schweizerische Gesellschaft für die Gesamten Naturwissenschaften. (1850)

Neue Entdeckungen im ganzen Umfang der Pflanzenkunde - Sprengel, Kurt Polycarp Joachim, 1766 -1833 (F. Fleischer, 1820)

Neue Entdeckungen im ganzen Umfang der Pflanzenkunde - Sprengel, Kurt Polycarp Joachim, 1766 -1833 (F. Fleischer, 1822)

Neues botanisches Taschenbuch für die Anfänger dieser Wissenschaft und der Apothekerkunst - Hoppe, David Heinrich, 1760 -1846 (Bei J.C. Monath und J.F. Kussler, 1805)

Neues Journal für die Botanik - Schrader, H. A. (Heinrich Adolph),‏ 1767 -1836 (Friedrich August Knick, 1809)

Nevada rangeland phenology - United States. Bureau of Land Management. (NRC, Inc, 1978)

Nevada rangeland phenology - United States. Bureau of Land Management. (NRC, Inc, 1979)

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

New and exotic weeds of Montana - Harvey, Stephen J. (Montana Weed Survey, MSU, 1980)

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

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

New manual of botany. A handbook of the flowering plants and ferns of the central and northeastern United States and adjacent Canada, rearr. and extensively rev. by Benjamin Lincoln Robinson and Merritt Lyndon Fernald - Robinson, Benjamin Lincoln, 1864 -1935 (American Book Co, 1908)

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

The New Mexico botanist - New Mexico State University. Cooperative Extension Service. (Range Science Herbarium and Cooperative Extension Service, 1998)

The New Mexico botanist - New Mexico State University. Cooperative Extension Service. (Range Science Herbarium and Cooperative Extension Service, 2004)

The New Mexico botanist - New Mexico State University. Cooperative Extension Service. (Range Science Herbarium and Cooperative Extension Service, 2010)

The New phytologist - Tansley, A. G., Sir, (Arthur George), 1871 -1955 (Academic Press, 1908)

The New phytologist - Tansley, A. G., Sir, (Arthur George), 1871 -1955 (Academic Press, 1913)

The New phytologist - Tansley, A. G., Sir, (Arthur George), 1871 -1955 (Academic Press, 1917)

The New phytologist - Tansley, A. G., Sir, (Arthur George), 1871 -1955 (Academic Press, 1918)

The New phytologist - Tansley, A. G., Sir, (Arthur George), 1871 -1955 (Academic Press, 1919)

New plant introductions - United States. Office of Foreign Seed; Plant Introduction. (G.P.O, 1916)

New Plant introductions - United States. Office of foreign seed; plant introduction. (1916)

... New species of North American Coleoptera - LeConte, John L. (John Lawrence), 1825 -1883 (Smithsonian institution, 1863)

New York State Museum bulletin - New York State Museum. (University of the State of New York, 1920)

New York State Museum bulletin - New York State Museum. (University of the State of New York, 1924)

New York State : state floras - Gray, Asa, 1810 -1888 (various publishers, 1814)

News - Indiana Native Plant; Wildflower Society. (Indiana Native Plant and Wildflower Society, 2004)

Newsletter - Colorado Native Plant Society. (The Society, 1979)

Newsletter - Colorado Native Plant Society. (The Society, 1980)

Newsletter - Colorado Native Plant Society. (The Society, 1986)

Newsletter - Wisconsin Entomological Society. (Wisconsin Entomological Society, 1993)

Newsletter / Edinburgh Natural History Society - Edinburgh Natural History Society, (1965)

Newsletter - Hawaiian Botanical Society - Hawaiian Botanical Society. (The Society, 1975)

Newsletter - Hawaiian Botanical Society - Hawaiian Botanical Society. (The Society, 1979)

Niederösterreichische Weiden - Kerner von Marilaun, Anton, 1831 -1898 (Ueberreuter, 1860)

ning xia zhi wu zhi - Ma, Dezi, Liu Huilan & Hu Fuxiu. (ning xia ren min chu ban she, 2007)

Növʹenytani közlemʹenyek - Magyar Természettudományi Társulat. Növénytani Szakosztály. (Kir. Magy. Termʹeszettudomʹanyi Tʹarsultat, 1902)

Növʹenytani közlemʹenyek - Magyar Természettudományi Társulat. Növénytani Szakosztály. (Kir. Magy. Termʹeszettudomʹanyi Tʹarsultat, 1904)

Növʹenytani közlemʹenyek - Magyar Természettudományi Társulat. Növénytani Szakosztály. (Kir. Magy. Termʹeszettudomʹanyi Tʹarsultat, 1905)

Növʹenytani közlemʹenyek - Magyar Természettudományi Társulat. Növénytani Szakosztály. (Kir. Magy. Termʹeszettudomʹanyi Tʹarsultat, 1906)

Növʹenytani közlemʹenyek - Magyar Természettudományi Társulat. Növénytani Szakosztály. (Kir. Magy. Termʹeszettudomʹanyi Tʹarsultat, 1908)

A növényrendszer áttekintése = Systematis vegetabilium janua, in usum auditorum R. Universitatis claudiopolitanae. Második átdolgozott kiadás - Kanitz, Ágost, 1843 -1896 (Ajtai K. Albert (Magyar Polgár) Könyvnyomdája, 1887)

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, 1821)

Nomenclator botanicus; enumerans ordine alphabetico nomina atque synonyma tum generica tum specifica et a Linnaeo et recentrioribus de re botanica scriptoribus plantis phanerogamis imposita - Steudel, Ernst Gottlieb, 1783 -1856 (sumtibus I.G. Cottae, 1821)

Nomenclator botanicus hortensis : oder, alphabetische und synonymische aufzählung der in den gärten Europa's cultivirten gewächse, nebst angabe ihres autors, ihres vaterlandes, ihrer dauer und cultur - Heynhold, Gustav, 1800 -approximately 1860 (Arnoldischen Buchhandlung, 1840)

Nomenclator botanicus hortensis : oder, alphabetische und synonymische aufzählung der in den gärten Europa's cultivirten gewächse, nebst angabe ihres autors, ihres vaterlandes, ihrer dauer und cultur - Heynhold, Gustav, 1800 -approximately 1860 (Arnoldischen Buchhandlung, 1846)

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, 1840)

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, Johan, 1818 -1898 (Lehmann & Stage, 1887)

Nomenclaturae botanicae codex brevis maturus, sensu codicis emendati aux Lois de la nomenclature botanique de Paris de 1867; linguis internationalibus: anglica, gallica, germanica quoad nomina latina - Kuntze, Otto, 1843 -1907 (Deutsche Verlags-Anstalt, 1903)

Die Nordamerikanische Vogelwelt - Ridgway, Robert, 1850 -1929 (G. Brumber, 1891)

Nordens fjärilar : handbok i Sveriges, Norges, Danmarks och Finlands : Macrolepidoptera - Aurivillius, Chr. (Christopher), 1853 -1928 (Aktiebolaget Hiertas bokförlag, 1888)

Norges flora, eller Beskrivelser over de i Norge vildtvoxende karplanter tilligemed angivelser af de geographiske forholde, under hvilke de forekomme - Blytt, Axel, 1843 -1898 (Trykt hos Brøgger & Christie, 1861)

Den norrländska florans : geografiska fördelning och invandringshistoria ; med särskild hänsyn till dess sydskandinaviskar arter - Andersson, Gunnar, 1865 -1928 (Almqvist & Wiksell, 1912)

North American fauna - U.S. Fish; Wildlife Service (Fish and Wildlife Service; for sale by the Supt. of Docs., U. S. Govt. Print. Off, 1918)

North American fauna - U.S. Fish; Wildlife Service (Fish and Wildlife Service; for sale by the Supt. of Docs., U. S. Govt. Print. Off, 1959)

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

North American flora - New York Botanical Garden (New York Botanical Garden, 1906)

North American flora - New York Botanical Garden (New York Botanical Garden, 1912)

North American flora - New York Botanical Garden (New York Botanical Garden, 1927)

North American flora - New York Botanical Garden (New York Botanical Garden, 1931)

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

The North American Pyrenomycetes. A contribution to mycologic botany - Everhart, B. M. (Benjamin Matlack), 1818 -1904 (Ellis & Everhart, 1892)

Northern Yellowstone elk study - Montana Fish; Game Commission (Montana Fish and Game Commission, 1933)

Northern Yellowstone elk study - Montana Fish; Game Commission. ([The Missoulian Pub. Co.], 1933)

Northwest Montana Libby/Hungry Horse Dams wildlife mitigation : Columbian sharp-tailed grouse : final report - Montana. Department of Fish, Wildlife,; Parks (U.S. Dept. of Energy, Bonneville Power Administration, Division of Fish and Wildlife, 1992)

Norway and the Norwegians - Keary, C. F. (Charles Francis), 1848 -1917 (Scribner, 1892)

Nota lepidopterologica - Societas Europaea Lepidopterologica (1985)

Nota lepidopterologica - Societas Europaea Lepidopterologica (1992)

Nota lepidopterologica - Societas Europaea Lepidopterologica (1995)

Nota lepidopterologica - Societas Europaea Lepidopterologica (2004)

Nota lepidopterologica - Societas Europaea Lepidopterologica (2011)

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 Northwest : or, valley of the upper Mississippi - Bradford, Wm. J. A. (William John Alden), 1791 -1858 (Wiley and Putnam, 1846)