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, 1887)

Naturwissenschaftliche Rundschau : wöchentliche Berichte über die Fortschritte auf dem Gesammtgebiete der Naturwissenschaften (Druck und verlag von Friedrich Vieweg und Sohn, 1892)

Naturwissenschaftliche Wochenschrift - Deutsche Gesellschaft für Volkstümliche Naturkunde in Berlin. (G. Fischer [etc.], 1892)

Naturwissenschaftliche Wochenschrift - Deutsche Gesellschaft für Volkstümliche Naturkunde in Berlin. (G. Fischer [etc.], 1893)

Naturwissenschaftliche Wochenschrift - Deutsche Gesellschaft für Volkstümliche Naturkunde in Berlin. (G. Fischer [etc.], 1907)

Naturwissenschaftliche Wochenschrift - Deutsche Gesellschaft für Volkstümliche Naturkunde in Berlin. (G. Fischer [etc.], 1922)

Nederlandsch kruidkundig archief - Koninklijke Nederlandse Botanische Vereniging. (S. en J. Luchtmans, 1846)

Nederlandsch kruidkundig archief - Koninklijke Nederlandse Botanische Vereniging. (S. en J. Luchtmans, 1860)

Nederlandsch kruidkundig archief - Koninklijke Nederlandse Botanische Vereniging. (S. en J. Luchtmans, 1899)

Nederlandsch kruidkundig archief - Koninklijke Nederlandse Botanische Vereniging. (S. en J. Luchtmans, 1903)

Nederlandsch kruidkundig archief - Koninklijke Nederlandse Botanische Vereniging. (S. en J. Luchtmans, 1904)

Nederlandsch kruidkundig archief - Koninklijke Nederlandse Botanische Vereniging. (S. en J. Luchtmans, 1909)

Nederlandsch kruidkundig archief - Koninklijke Nederlandse Botanische Vereniging. (S. en J. Luchtmans, 1914)

Nederlandsch kruidkundig archief - Koninklijke Nederlandse Botanische Vereniging. (S. en J. Luchtmans, 1918)

Nederlandsch kruidkundig archief - Koninklijke Nederlandse Botanische Vereniging. (S. en J. Luchtmans, 1920)

Nederlandsch kruidkundig archief - Koninklijke Nederlandse Botanische Vereniging. (S. en J. Luchtmans, 1923)

Neue Denkschriften der Allg. Schweizerischen Gesellschaft für die Gesammten Naturwissenschaften = Nouveau mémoires de la Société helvétique des sciences naturelles - Allgemeine Schweizerische Gesellschaft für die Gesamten Naturwissenschaften. (Schweizerische Gesellschaft für die Gesammten Naturwissenschaften, 1837)

Neues Jahrbuch für Mineralogie, Geognosie, Geologie und Petrefaktenkunde - Bronn, H. G. (Heinrich Georg), 1800 -1862 (E. Schweizerbart's Verlagshandlung, 1897)

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)

New England ferns and their common allies; an easy method of determining the species - Eastman, Helen, 1863 - (Houghton, Mifflin and Co, 1904)

New floral guide - Conard & Jones Co. (West Grove, Pa.) (Conard & Jones Company, 1900)

New floral guide - Conard & Jones Co. (West Grove, Pa.) (Conard & Jones Company, 1910)

New floral guide - Conard & Jones Co. (West Grove, Pa.) (Conard & Jones Company, 1913)

New floral guide 1899 - Conard & Jones Co. (West Grove, Pa.) (Conard & Jones Co, 1899)

New floral guide : 1900 - Conard & Jones Co. (West Grove, Pa.) (Conard & Jones Co, 1900)

New floral guide : 1901 - Conard & Jones Co. (West Grove, Pa.) (Conard & Jones Co, 1901)

New floral guide : 1902 - Conard & Jones Co. (West Grove, Pa.) (Conard & Jones Co, 1902)

New floral guide : 1910 - Conard & Jones Co. (West Grove, Pa.) (Conard & Jones Co, 1905)

New floral guide : 1910 - Conard & Jones Co. (West Grove, Pa.) (Conard & Jones Co, 1906)

New floral guide : 1910 - Conard & Jones Co. (West Grove, Pa.) (Conard & Jones Co, 1907)

New floral guide : 1910 - Conard & Jones Co. (West Grove, Pa.) (Conard & Jones Co, 1909)

New floral guide : 1910 - Conard & Jones Co. (West Grove, Pa.) (Conard & Jones Co, 1910)

New floral guide : 1910 - Conard & Jones Co. (West Grove, Pa.) (Conard & Jones Co, 1911)

New floral guide : 1910 - Conard & Jones Co. (West Grove, Pa.) (Conard & Jones Co, 1914)

New floral guide : 1913 - Conard & Jones Co. (West Grove, Pa.) (Conard & Jones Co, 1913)

New floral guide : autumn 1902 - Conard & Jones Co. (West Grove, Pa.) (Conard & Jones Co, 1902)

New floral guide : autumn 1902 - Conard & Jones Co. (West Grove, Pa.) (Conard & Jones Co, 1903)

New floral guide : autumn 1902 - Conard & Jones Co. (West Grove, Pa.) (Conard & Jones Co, 1907)

New floral guide : [autumn 1904] - Conard & Jones Co. (West Grove, Pa.) (Conard & Jones Co, 1904)

New floral guide : autumn 1908 - Conard & Jones Co. (West Grove, Pa.) (Conard and Jones Company, 1908)

New floral guide : spring 1898 - Conard & Jones Co. (West Grove, Pa.) (Conard & Jones Co, 1903)

New floral guide : spring 1898 - Conard & Jones Co. (West Grove, Pa.) (Conard & Jones Co, 1904)

New floral guide : spring 1898 - Conard & Jones Co. (West Grove, Pa.) (Conard & Jones Co, 1905)

New floral guide : spring 1898 - Conard & Jones Co. (West Grove, Pa.) (Conard & Jones Co, 1906)

New floral guide : spring 1898 - Conard & Jones Co. (West Grove, Pa.) (Conard & Jones Co, 1909)

New floral guide : spring 1898 - Conard & Jones Co. (West Grove, Pa.) (Conard & Jones Co, 1911)

New floral guide, spring, 1908 - Conard & Jones Co. (West Grove, Pa.) (Conard & Jones Company], 1908)

A new London flora; or, Handbook to the botanical localities of the metropolitan districts - Champion de Crespigny, Eyre Nicholas, 1821 -1895 (Hardwick and Bogue, 1877)

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)

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

The New phytologist - Tansley, A. G., Sir, (Arthur George), 1871 -1955 (Academic Press, 1904)

The New phytologist - Tansley, A. G., Sir, (Arthur George), 1871 -1955 (Academic Press, 1912)

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, 1914)

New York State Museum bulletin - New York State Museum. (University of the State of New York, 1925)

New Zealand plants and their story - Cockayne, L. (Leonard), 1855 -1934 (J. Mackay, government printer, 1910)

New Zealand plants and their story - Cockayne, L. (Leonard), 1855 -1934 (M.F. Marks, Govt. Printer, 1919)

New Zealand plants suitable for North American gardens - Cockayne, L. (Leonard), 1855 -1934 (J. Mackay, Government Printer, 1914)

News - Indiana Native Plant; Wildflower Society. (Indiana Native Plant and Wildflower Society, 1997)

News - Indiana Native Plant; Wildflower Society. (Indiana Native Plant and Wildflower Society, 2003)

News letter - United States. Bureau of Plant Quarantine. (Bureau of Plant Quarantine, 1932)

Newsletter - British Pteridological Society. (British Pteridological Society, 1969)

Newsletter - British Pteridological Society. (British Pteridological Society, 1971)

Newsletter - British Pteridological Society. (British Pteridological Society, 1970)

Newsletter - British Pteridological Society. (British Pteridological Society, 1972)

Newsletter - Hawaiian Botanical Society - Hawaiian Botanical Society. (The Society, 1963)

Newsletter - Hawaiian Botanical Society - Hawaiian Botanical Society. (The Society, 1999)

NHS news - Northwest Horticultural Society. (Northwest Horticultural Society, 1990)

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, 1907)

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 :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 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 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)

Nomenclature of plants; a text for the application by the case method of the International code of botanical nomenclature - St. John, Harold, 1892 -1991 (Ronald Press Co, 1958)

Norfolk - Dutt, William A. (William Alfred), 1870 -1939 (J.M. Dent & Co, 1900)

Norfolk - Dutt, William A. (William Alfred), 1870 -1939 (E.P. Dutton, 1901)

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

North American wildflowers and ferns : fall 1934 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (George D. Aiken, 1934)

North Atlantic biota and their history; a symposium held at the University of Iceland, Reykjavík, July 1962, under the auspices of the University of Iceland and the Museum of Natural History. Editors: Askell Löve and Doris Löve. Sponsored by the NATO Advanced Study Institutes Program - Áskell Löve, 1916 -1994 (Pergamon Press, 1963)

North Wisconsin wildings from the Green Grassy Hollow - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (F. G. Knowlton, 1932)

Northwest Ornamental Horticultural Society newsletter - Northwest Horticultural Society. (Northwest Ornamental Horticultural Society, 1974)

Northwest Ornamental Horticultural Society newsletter - Northwest Horticultural Society. (Northwest Ornamental Horticultural Society, 1976)

Notes from the Royal Botanic Garden, Edinburgh - Royal Botanic Garden, Edinburgh. (H. M. Stationery Off, 1902)