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)

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, 1912)

North American flora - New York Botanical Garden (New York Botanical Garden, 1920)

North American flora - New York Botanical Garden (New York Botanical Garden, 1921)

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

North American flora - New York Botanical Garden (New York Botanical Garden, 1914)

North American flora - New York Botanical Garden (New York Botanical Garden, 1917)

North American flora - New York Botanical Garden (New York Botanical Garden, 1932)

North American flora - New York Botanical Garden (New York Botanical Garden, 1937)

North American flora - New York Botanical Garden (New York Botanical Garden, 1923)

North American flora - New York Botanical Garden (New York Botanical Garden, 1913)

North American flora - New York Botanical Garden (New York Botanical Garden, 1915)

North American flora - New York Botanical Garden (New York Botanical Garden, 1916)

North American flora - New York Botanical Garden (New York Botanical Garden, 1918)

North American flora - New York Botanical Garden (New York Botanical Garden, 1928)

North American flora - New York Botanical Garden (New York Botanical Garden, 1919)

North American flora - New York Botanical Garden (New York Botanical Garden, 1911)

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

North American flora - New York Botanical Garden (New York Botanical Garden, 1944)

North American flora - New York Botanical Garden (New York Botanical Garden, 1938)

North American Flora （vol.10 Part1-5） - Willtam Alphonso Murrill (THE NEW YORK BOTANTCAL GARDEN, 1914)

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)

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, 1934)

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, 1977)

The North Queensland Naturalist : the journal and magazine of the North Queensland Naturalist Club - North Queensland Naturalists' Club. (The Club, 1976)

The North Queensland Naturalist : the journal and magazine of the North Queensland Naturalist Club - North Queensland Naturalists' Club. (The Club, 1980)

The North Queensland Naturalist : the journal and magazine of the North Queensland Naturalist Club - North Queensland Naturalists' Club. (The Club, 1990)

The North Queensland Naturalist : the journal and magazine of the North Queensland Naturalist Club - North Queensland Naturalists' Club. (The Club, 1992)

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)

Northern Territory Naturalist - Northern Territory Field Naturalists' Club (, Northern Territory Field Naturalists' Club, 2014)

Northern Territory Naturalist - Northern Territory Field Naturalists' Club (, Northern Territory Field Naturalists' Club, 2021)

Nota lepidopterologica - Societas Europaea Lepidopterologica (1984)

Nota lepidopterologica - Societas Europaea Lepidopterologica (1990)

Nota lepidopterologica - Societas Europaea Lepidopterologica (2007)

Nota lepidopterologica - Societas Europaea Lepidopterologica (2010)

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, 1917)

[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 useful plants of Mexico - Rose, J. N. (Joseph Nelson), 1862 -1928 (Govt. print. off, 1899)

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

Notes to accompany a vegetation map of Northwest Mexico - University of New Mexico. (University of New Mexico, 1936)

Notes upon Hawaiian plants, with descriptions of new species and varieties - Rock, Joseph F. (Joseph Francis), 1884 -1962 (The College, 1911)

Notizblatt des Botanischen Gartens und Museums zu Berlin-Dahlem - Botanischer Garten und Museum (Berlin, Germany) (Botanisches Museum, 1917)

Notizblatt des Botanischen Gartens und Museums zu Berlin-Dahlem - Botanischer Garten und Museum (Berlin, Germany) (Botanisches Museum, 1921)

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, 1902)

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, 1900)