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Native trees, shrubs and woody vines growing in Granby, Conn. and vicinity - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Irving Holcomb, 1922)

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Natural fuel loadings in ponderosa pine and mixed conifer forests of the Southwest - Rocky Mountain Forest; Range Experiment Station (Fort Collins, Colo.) (Rocky Mountain Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1979)

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Natural history of New York - Hall, James, 1811 -1898 (D. Appleton & co. and Wiley & Putnam, 1843)

Natural history of New York (D. Appleton, 1842)

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Natural history of the Queen Charlotte islands, British Columbia. Natural history of the Cook inlet region, Alaska - Osgood, Wilfred Hudson, 1875 -1947 (Government Printing Office, 1901)

Natural mortality of the western spruce budworm, Choristoneura occidentalis, in Colorado - Rocky Mountain Forest; Range Experiment Station (Fort Collins, Colo.) (Rocky Mountain Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1971)

Natural regeneration on a 2-acre mixed oak clear cutting five years after logging - Lake States Forest Experiment Station (Saint Paul, Minn.) (Lake States Forest Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1957)

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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, 1892)

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New genera and species of Melanopli found within the United States (Orthoptera; Acrididae) - Hebard, Morgan, 1887 -1946 (American Entomological Society, 1918)

New genera, new species, new synonyms, and new combinations in North America and Caribbean Phylinae (Heteroptera, Miridae) - Schuh, Randall T. (American Museum of Natural History, 2004)

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The New Mexico botanist - New Mexico State University. Cooperative Extension Service. (Range Science Herbarium and Cooperative Extension Service, 2012)

The New Mexico botanist - New Mexico State University. Cooperative Extension Service. (Range Science Herbarium and Cooperative Extension Service, 2020)

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