Coefficient of conservatism rankings for the flora of Montana. report to the Montana Department of Environmental Quality, Helena, Montana. Part I - Montana. Department of Environmental Quality (Montana Natural Heritage Program, 2015)

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Collection Académique. partie etrangère - Société Royale des Sciences de Turin (Société Royale des Sciences de Turin, 1770)

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Colorado flora - Engelmann, George, 1809 -1884 (H.N. Patterson, printer, 1878)

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Common edible and useful plants of the West - Sweet, Muriel. (Naturegraph Co, 1962)

Compendium florae Philadelphicae : containing a description of the indigenous and naturalized plants found within a circuit of ten miles around Philadelphia - Barton, William P. C. (William Paul Crillon), 1786 -1856 (M. Carey, 1818)

Compendium florae Philadelphicae : containing a description of the indigenous and naturalized plants found within a circuit of ten miles around Philadelphia - Barton, William P. C. (William Paul Crillon), 1786 -1856 (Published by M. Carey and Son, 1818)

Compendium floræ philadelphicæ : containing a description of the indigenous and naturalized plants found within a circuit of ten miles around Philadelphia - Barton, William P. C. (William Paul Crillon), 1786 -1856 (published by M. Carey, 1818)

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The condor - Cooper Ornithological Club. (Cooper Ornithological Club, 1907)

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Consolidated stand tables and biodiversity data base for Southwestern forest habitat types - Rocky Mountain Forest; Range Experiment Station (Fort Collins, Colo.) (U.S. Dept. of Agriculture, Forest Service, Rocky Mountain Forest and Range Experiment Station, 1990)

Contribution [I]-III to the coastal and plain flora of Yucatan - Millspaugh, Charles Frederick, 1854 -1923 (1895)

A contribution to the history of the fresh-water algœ of North America - Wood, H. C. (Horatio C.), 1841 -1920 (Smithsonian institution, 1872)

Contributions from the Gray Herbarium of Harvard University - Harvard University. Gray Herbarium. (Harvard University, 1894)

Contributions from the Gray Herbarium of Harvard University - Harvard University. Gray Herbarium. (Harvard University, 1902)

Contributions from the Gray Herbarium of Harvard University - Harvard University. Gray Herbarium. (Harvard University, 1922)

Contributions from the Gray Herbarium of Harvard University - Harvard University. Gray Herbarium. (Harvard University, 1949)

Contributions from the Gray Herbarium of Harvard University - Harvard University. Gray Herbarium. (Harvard University, 1958)

Contributions from the Herbarium of Columbia College - Columbia College (New York, N.Y.). Herbarium. (Columbia College, 1886)

Contributions from the New York Botanical Garden - New York Botanical Garden (The Garden, 1904)

Contributions from the United States National Herbarium - United States. National Herbarium. (Smithsonian Institution Press, 1890)

Contributions from the United States National Herbarium - United States. National Herbarium. (Smithsonian Institution Press, 1891)

Contributions from the United States National Herbarium - United States. National Herbarium. (Smithsonian Institution Press, 1892)

Contributions from the United States National Herbarium - United States. National Herbarium. (Smithsonian Institution Press, 1893)

Contributions from the United States National Herbarium - United States. National Herbarium. (Smithsonian Institution Press, 1901)

Contributions from the United States National Herbarium - United States. National Herbarium. (Smithsonian Institution Press, 1903)

Contributions from the United States National Herbarium - United States. National Herbarium. (Smithsonian Institution Press, 1906)

Contributions from the United States National Herbarium - United States. National Herbarium. (Smithsonian Institution Press, 1907)

Contributions from the United States National Herbarium - United States. National Herbarium. (Smithsonian Institution Press, 1908)

Contributions from the United States National Herbarium - United States. National Herbarium. (Smithsonian Institution Press, 1909)

Contributions from the United States National Herbarium - United States. National Herbarium. (Smithsonian Institution Press, 1912)

Contributions from the United States National Herbarium - United States. National Herbarium. (Smithsonian Institution Press, 1920)

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Contributions from the University of Michigan Herbarium - University of Michigan. University Herbarium. (University Herbarium, University of Michigan, 2005)

Contributions in natural history : a memorial volume in honor of Clyde Jones - Manning, Richard W. (Museum of Texas Tech University, 2016)

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Contributions in science - Los Angeles County Museum of Natural History. (The Museum, 1966)

Contributions in science - Los Angeles County Museum of Natural History. (The Museum, 1990)

Contributions in science - Los Angeles County Museum of Natural History. (The Museum, 1995)

Contributions to the flora of Beaver County, from the Mansfield Herbarium, 1865-1903 - Mansfield, Ira Franklin, 1942 - (Tribune Printing, 1903)

Contributions to the flora of Iowa; a catalogue of the phaenogamous plants - Arthur, Joseph Charles, 1850 -1942 ("Intelligencer" Book Print, 1876)

Contributions to the flora of Iowa; a catalogue of the phaenogamous plants - Arthur, Joseph Charles, 1850 -1942 (Intelligencer Book Print, 1876)

Contributions to western botany.no. 1-18 - Jones, Marcus E. (Marcus Eugene), 1852 -1934 (1929)

Contributions to western botany.no. 1-18 - Jones, Marcus E. (Marcus Eugene), 1852 -1934 (1935)

Conversations on nature and art (Lea & Blanchard, 1839)

Cooperative economic insect report - United States. Bureau of Entomology; Plant Quarantine. (Plant Protection and Quarantine Programs Animal and Plant Health Service, 1965)

Cooperative economic insect report - United States. Bureau of Entomology; Plant Quarantine. (U.S. Dept. of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1951)

Correspondence : Curtiss (Allen) and Engelmann (George), 1872-1882 - Curtiss, Allen Hiram, 1845 -1907 (1872)

The Cottage gardener (W.S. Orr, 1849)

The Cottage gardener (W.S. Orr, 1850)

The Cottage gardeners' dictionary : describing the plants, fruits, and vegetables desirable for the garden, and explaining the terms and operations employed in their cultivation ; with an alphabetical list of synonymes - Johnson, George William, 1802 -1886 (Henry G. Bohn, 1863)

Crossosoma - Southern California Botanists. (Southern California Botanists, Rancho Santa Ana Botanic Garden, 1983)

Crossosoma - Southern California Botanists. (Southern California Botanists, Rancho Santa Ana Botanic Garden, 1986)

Crossosoma - Southern California Botanists. (Southern California Botanists, Rancho Santa Ana Botanic Garden, 1987)

Crossosoma - Southern California Botanists. (Southern California Botanists, Rancho Santa Ana Botanic Garden, 1994)

Crossosoma - Southern California Botanists. (Southern California Botanists, Rancho Santa Ana Botanic Garden, 2006)

Crossosoma - Southern California Botanists. (Southern California Botanists, Rancho Santa Ana Botanic Garden, 2007)

Curtis's botanical magazine - Hooker, Joseph Dalton, 1817 -1911 (Academic Press [etc.], 1804)

Curtis's botanical magazine - Hooker, Joseph Dalton, 1817 -1911 (Academic Press [etc.], 1808)

Curtis's botanical magazine - Hooker, Joseph Dalton, 1817 -1911 (Academic Press [etc.], 1824)

Curtis's botanical magazine - Hooker, Joseph Dalton, 1817 -1911 (Academic Press [etc.], 1828)

Curtis's botanical magazine - Hooker, Joseph Dalton, 1817 -1911 (Academic Press [etc.], 1883)

The cyclopædia; or, Universal dictionary of arts, sciences, and literature - Rees, Abraham, 1743 -1825 (Longman, Hurst, Rees, Orme & Brown [etc.], 1819)

Cyclopedia of American horticulture, comprising suggestions for cultivation of horticultural plants, descriptions of the species of fruits, vegetables, flowers, and ornamental plants sold in the United States and Canada, together with geographical and biographical sketches - Bailey, L. H. (Liberty Hyde), 1858 -1954 (Macmillan, 1900)

Cyclopedia of American horticulture, comprising suggestions for cultivation of horticultural plants, descriptions of the species of fruits, vegetables, flowers and ornamental plants sold in the United States and Canada, together with geographical and biographical sketches, and a synopsis of the vegetable kingdom - Bailey, L. H. (Liberty Hyde), 1858 -1954 (Doubleday, Page & Company, 1906)

Cyclopedia of American horticulture : comprising suggestions for cultivation of horticultural plants, descriptions of the species of fruits, vegetables, flowers, and ornamental plants sold in the United States and Canada, together with geographical and biographical sketches - Bailey, L. H. (Liberty Hyde), 1858 -1954 (Macmillan, 1906)

Cyclopedia of American horticulture, comprising suggestions for cultivation of horticultural plants, descriptions of the species of fruits, vegetables, flowers and ornamental plants sold in the United States and Canada, together with geographical and biographical sketches - Bailey, L. H. (Liberty Hyde), 1858 -1954 (The Macmillan company, 1909)

D. C. L. Willdenow ... Enumeratio Plantarum Horti Regii Botanici Berolinensis, continens descriptiones omnium Vegetabilium in Horto dicto cultorum - Willdenow, Karl Ludwig, 1765 -1812 (1809)

D. Christiani Gottlieb Ludwig ... Definitiones generum plantarum : olim in usum auditorum collectas nunc auctas et emendatas - Ludwig, Christian Gottlieb, 1709 -1773 (Ex Officina I.F. Gleditschii, 1760)

D. Christiani Gottlieb Ludwig ... Definitiones generum plantarum : olim in usum auditorum collectae nunc auctae et emendatae - Ludwig, Christian Gottlieb, 1709 -1773 (Apud I.F. Gleditschium, 1747)

D. Georgii Rudolphi Boehmeri ... : Commentatio botanico- literaria de plantis in memoriam cultorum nominatis incepta anno MDCCLXX nunc ad recentissima tempora continuata - Böhmer, Georg Rudolf, 1723 -1803 (in libraria Weidmanniana, 1799)

The dahlia; its culture, uses and history - Johnson, George William, 1802 -1886 (Simpkin, Marshall, & co.; [etc., etc.], 1847)

De fructibus et seminibus plantarum - Gaertner, Joseph, 1732 -1791 (typis Academiae Carolinae, 1788)

De fructibus et seminibus plantarum /Joseph Gaertner - Sturm, Jakob, 1771 -1848 (Sumtibus Auctoris, Typis Academiae Carolinae, 1788)

De fructibus et seminibus plantarum /Joseph Gaertner - Sturm, Jakob, 1771 -1848 (Sumtibus Auctoris, Typis Academiae Carolinae, 1791)

The Death valley expedition. A biological survey of parts of California, Nevada, Arizona, and Utah. Part II - Stejneger, Leonhard, 1851 -1943 (Govt. print. off, 1893)

Delectus opusculorum ad scientiam naturalem spectantium. Volumen primum - Ludwig, Christ. Frid. 1751 -1823 (Apud Siegfridum Lebrecht Crusium, 1790)

Description des plantes nouvelles et peu connues : cultivées dans le jardin de J.M. Cels : avec figures - Redouté, Henri Joseph, 1766 -1852 (De l'imprimerie de Crapelet, 1799)

Description des plantes rares cultivees a Malmaison et a Navarre - Bessa, Pancrace, 1772 -1846 (De l'Impr. de P. Didot l'aîné, 1813)

A description of the genus Pinus :illustrated with figures, directions relative to the cultivation, and remarks on the uses of the several species - Don, David, 1799 -1841 (J. White, 1824)

Descriptions of plants collected along the route, by W.P. Blake, and at the mouth of the Gila - Torrey, John, 1796 -1873 (A.O.P. Nicholson, printer, 1856)

Descriptions of three hundred new species of South American plants, with an index to previously published South American species by the same author - Rusby, Henry Hurd, 1855 -1940 (The Author, 1920)

Desiderata of the herbarium for North America, north of Mexico - Vasey, George, 1822 -1893 (Dept. of Agriculture, Botanical Division, 1887)

Diagnose der Pflanzen-Gattungen : nach der neuesten Ausgabe des Linneischen Sexualsystems - Suckow, Georg Adolph, 1751 -1813 (Weidmann, 1792)

Diagnoses plantarum novarum vel minus cognitarum Mexicanarum et Centrali-Americanarum - Hemsley, W. Botting (William Botting), 1843 -1924 (Printed by Taylor and Francis, 1878)

Diccionario botánico de los nombres vulgares cubanos y puerto-riqueños - Gómez de la Maza, Manuel, 1867 -1916 (Impr. "La Antilla" de G. Cacho-Negrete, 1889)

Diccionario de los diversos nombres vulgares de muchas plantas usuales ó notables del antiguo y nuevo mundo, con la correspondencia científica y la indicacion abreviada de los usos é igualmente de la familia à que pertenece cada planta. Complemento del Curso de botánica por el doctor don Miguel Colmeiro - Colmeiro, Miguel, 1816 -1901 (Impr. de G. Alhambra, 1871)