Checklist of CITES Species: a reference to the appendices to the Convention on International Trade in Endangered Species of Wild Fauna and Flora (1996)

A checklist of New York State plants - Mitchell, Richard S., 1938 - (University of the State of New York, State Education Dept, 1986)

Checklist of the vascular plants of Alabama from the John D. Freeman Herbarium and the University of Alabama Herbarium - Morton, Cynthia M. (Carnegie Museum of Natural History, 2002)

Checklist of the vascular plants of Powdermill Nature Reserve, Westmoreland County, Pennsylvania - Utech, Frederick H. (Carnegie Museum of Natural History, 1999)

Checklist of the vascular plants of Steamboat Mountain Research Natural Area - Pacific Northwest Forest; Range Experiment Station (Portland, Or.) (U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station, 1981)

Checklist of the vascular plants of the intermountain region - Intermountain Forest; Range Experiment Station (Ogden, Utah) (Intermountain Forest & Range Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1966)

Checklist of vascular plants of the Ottawa-Hull region, Canada = Liste des plantes vasculaires de la râegion d'Ottawa-Hull, Canada - Gillett, John M. (John Montague), 1918 -2014 (National Museum of Natural Sciences, National Museums of Canada, 1978)

Checklist of vascular plants of the Southern Rocky Mountain Region - Snow, Neil Wilton (2009)

A choice list of choice perennials - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Paramount Gardens, 1937)

Choice perennials, terrestrial orchids, native violets, dwarf iris - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Paramount Gardens, 1935)

Choix de plantes rares ou nouvelles, cultivées et dessinées dans le jardin botanique de Buitenzorg. Publié avec une texte explicatif - Miquel, Friedrich Anton Wilhelm 1811 -1871 (C.W. Mieling, 1864)

Chronique orchidéenne :supplément mensuel au Dictionnaire iconographique des orchidées - Cogniaux, Alfred, 1841 -1916 (A. Goossens, 1904)

Clarice Nye Oregon wild flowers, rock plants and seeds, lilies, trees and shrubs, ferns, perennials - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Mrs. Clarice Nye, 1934)

Class-book of botany : being outlines of the structure, physiology and classification of plants : with a flora of the United States and Canada - Wood, Alphonso, 1810 -1881 (A. S. Barnes & Burr, 1863)

Class-book of botany : being outlines of the structure, physiology and classification of plants : with a flora of the United States and Canada - Wood, Alphonso, 1810 -1881 (A.S. Barnes & Burr, 1861)

Class-book of botany : being outlines of the structure, physiology, and classification of plants ; with a flora of the United States and Canada - Wood, Alphonso, 1810 -1881 (A. S. Barnes & Burr, 1860)

Class-book of botany : being outlines of the structure, physiology, and classification of plants : with a flora of the United States and Canada - Wood, Alphonso, 1810 -1881 (A.S. Barnes & Co, 1874)

Class book of botany. Being outlines of the structure, physiology and classification of plants. With a flora of all parts of the United States and Canada - Wood, Alphonso, 1810 -1881 (A.S. Barnes & Burr, 1860)

Class-book of botany: being outlines of the structure, physiology, and classification of plants; with a flora of the United States and Canada - Wood, Alphonso, 1810 -1881 (A. S. Barnes & co, 1869)

Class-book of botany being outlines of the structure, physiology, and classification of plants : with a flora of the United States and Canada - Wood, Alphonso, 1810 -1881 (A.S. Barnes, 1875)

Class-book of botany being outlines of the structures, physiology, and classification of plants : with a flora of the United States and Canada - Wood, Alphonso, 1810 -1881 (American Book Co, 1881)

A class-book of botany : designed for colleges, academies, and other seminaries : in two parts : part I, The elements of botany : part II, The natural orders : illustrated by a flora of the northern, middle, and western states, particularly of the United States north of the Capitol, lat 38 3/4 - Wood, Alphonso, 1810 -1881 (A.S. Barnes & Burr, 1846)

A class-book of botany, designed for colleges, academies, and other seminaries where science is taught ... Illustrated by a flora of the northern United States particularly New England and New York - Wood, Alphonso, 1810 -1881 (Crocker & Brewster, 1845)

A class-book of botany, designed for colleges, academies, and other seminaries. Illustrated by a flora of northern, middle, and western states; particularly of the United States north of the Capitol, lat. 38 3/4 - Wood, Alphonso, 1810 -1881 (Manufacturing Co., S. Ide, agent, 1850)

A class-book of botany, designed for colleges, academies, and other seminaries ... Illustrated by a flora of the northern, middle, and western states; particularly of the United States north of the Capitol, lat. 38 3/4 - Wood, Alphonso, 1810 -1881 (Manufacturing Co., S. Ide, agent, 1848)

A class-book of botany, designed for colleges, academies, and other seminaries ... Illustrated by a flora of the northern, middle, and western states; particularly of the United States north of the Capitol, lat. 38 3/4 - Wood, Alphonso, 1810 -1881 (Manufacturing Co., S. Ide, agent, 1847)

A class-book of botany, designed for colleges, academies, and other seminaries ... Illustrated by a flora of the northern, middle, and western states; particularly of the United States north of the Capitol, lat. 38 3/4 - Wood, Alphonso, 1810 -1881 (Crocker & Brewster, 1848)

A class-book of botany; designed for colleges, academies, and other seminaries ... illustrated by a flora of the northern, middle, and western states; particularly of the United States north of the capitol, lat. 38 3/4 o - Wood, Alphonso, 1810 -1881 (Crocker & Brewster, 1849)

The classification of flowering plants - Rendle, A. B. (Alfred Barton), 1865 -1938 (University press, 1904)

The classification of flowering plants - Rendle, A. B. (Alfred Barton), 1865 -1938 (Univ. Press, 1904)

Clavis, classium, ordinum et familiarum atque index generum regni vegetabilis = Diagnostische Uebersichtstafeln des natürlichen Pflanzensystems : nebst vollständigem Gattungsregister - Perleb, Karl Julius, 1794 -1845 (A. Emmerling, 1838)

Claytonia : newsletter of the Arkansas Native Plant Society - Arkansas Native Plant Society. (The Society], 1992)

Claytonia : newsletter of the Arkansas Native Plant Society - Arkansas Native Plant Society. (The Society], 1997)

Claytonia : newsletter of the Arkansas Native Plant Society - Arkansas Native Plant Society. (The Society], 2003)

Claytonia : newsletter of the Arkansas Native Plant Society - Arkansas Native Plant Society. (The Society], 2006)

Claytonia : newsletter of the Arkansas Native Plant Society - Arkansas Native Plant Society. (The Society], 2008)

Claytonia : newsletter of the Arkansas Native Plant Society - Arkansas Native Plant Society. (The Society], 2009)

Claytonia : newsletter of the Arkansas Native Plant Society - Arkansas Native Plant Society. (The Society], 2013)

Claytonia : newsletter of the Arkansas Native Plant Society - Arkansas Native Plant Society. (The Society], 2015)

Claytonia : newsletter of the Arkansas Native Plant Society - Arkansas Native Plant Society. (The Society], 2021)

Collectanea botanica, or, Figures and botanical illustrations of rare and curious exotic plants - Lindley, John, 1799 -1865 (Printed by Richard and Arthur Taylor, Shoe-Lane, sold by J. and A. Arch, 1821)

Collectanea orchidacea - Kraenzlin, Fritz, 1847 -1934 (1890)

[Collected reprints, 1911-1931 - Swarth, Harry S. (Harry Schelwald), 1878 -1935 (s.n, 1900)

Collection des orchidées les plus remarquables de l'Archipel indien et du Japon - Blume, C. L. (Carl Ludwig), 1796 -1862 (C. G. Sulpke, 1858)

Collection of manuscript notes, drawings, and photographs on lilies. 1870-1880 - Duchartre, Pierre Etienne Simon, 1811 -1894 (1870)

Colour in my garden - Wilder, Louise Beebe, 1878 -1938 (Doubleday, Page, 1918)

The commonly occuring wild plants of Canada, and more especially of the province of Ontario a flora for the use of beginners - Spotton, H. B. (Henry Byron), 1844 -1933 (W.J. Gage, 1889)

The commonly occuring wild plants of Canada, and more especially of the province of Ontario : a flora for the use of beginners - Spotton, H. B. (Henry Byron), 1844 -1933 (W.J. Gage, 1884)

The commonly occuring wild plants of Canada a flora for the use of beginners - Spotton, H. B. (Henry Byron), 1844 -1933 (W.J. Gage, 1887)

The commonly occurring wild plants of Canada. A flora for the use of beginners - Spotton, H. B. (Henry Byron), 1844 -1933 (W. J. Gage & Co, 1897)

The commonly occurring wild plants of Canada and more especially of the province of Ontario a flora for the use of beginners - Spotton, H. B. (Henry Byron), 1844 -1933 (W.J. Gage, 1884)

The commonly occurring wild plants of Canada : a flora for the use of beginners - Spotton, H. B. (Henry Byron), 1844 -1933 (Gage, 1897)

Compendio della flora italiana; ossia, Manuale per la determinazione delle piante che trovansi selvatiche od inselvatichite nell'Italia e nelle isole adiacenti - Arcangeli, G. (Giovanni), 1840 -1921 (E. Loescher, 1882)

Compendium florae Belgicae - Courtois, Richard Joseph, 1806 -1835 (Apud P. J. Collardin, 1828)

Compendium florae Germaniae - Bluff, Matthias Joseph, 1805 -1837 (Sumptibus I.L. Schrag, 1825)

A compendium of the Cybele britannica; or British plants in their geographical relations - Watson, Hewett Cottrell, 1804 -1881 (Longmans, Green, Reader & Dyer, 1870)

Comprehensive catalogue of Queensland plants, both indigenous and naturalised. To which are added, where known, the aboriginal and other vernacular names; with numerous illustrations, and copious notes on the properties, features, &c., of the plants - Bailey, Frederick Manson 1827 -1915 (A. J. Cumming, government printer, 1909)

Comptes rendus hebdomadaires des séances de l'Académie des sciences - Centre national de la recherche scientifique (France) (publiés avec le concours du Centre national de la recherche scientifique par MM. les secrétaires perpétuels, 1844)

Comptes rendus hebdomadaires des séances de l'Académie des sciences - Centre national de la recherche scientifique (France) (publiés avec le concours du Centre national de la recherche scientifique par MM. les secrétaires perpétuels, 1904)

Comptes rendus hebdomadaires des séances de l'Académie des sciences - Centre national de la recherche scientifique (France) (publiés avec le concours du Centre national de la recherche scientifique par MM. les secrétaires perpétuels, 1913)

Conference report / Botanical Society of the British Isles - Botanical Society of the British Isles. (Botanical Society of the British Isles, 1953)

Conference report / Botanical Society of the British Isles - Botanical Society of the British Isles. (Botanical Society of the British Isles, 1965)

Conference report / Botanical Society of the British Isles - Botanical Society of the British Isles. (Botanical Society of the British Isles, 2006)

Congrès Scientifiques de France (1842)

Conservation status of Spiranthes diluvialis Sheviak in Montana - Montana Natural Heritage Program. (Montana Natural Heritage Program, 1998)

Der Conservator oder praktische Anleitung, Naturalien aller Reiche zu sammeln, zu conserviren und für wissenschaftliche Zwecke, wie auch zum Vergnügen aufzustellen : Ein Hilfsbuch zum Selbstunterricht für Lehrer, Landprediger, Hauslehrer und alle Diejenigen, welche Naturaliensammlungen zweckmässig, ohne unnöthigen Zeit- und Kosten-Aufwand, anlegen wollen : nach eigenen Erfahrungen bearbeitet und mit Tabellen zur leichteren Bestimmung der Mineralien und Pflanzen [etc.] versehen - Streubel, A. V. (August Vollrath) (Verlag von Ferdinand Rubach, 1845)

Conspectul florei României. Plantele vasculare indigene si cele naturalizate ce se gasesc pe teritoriul României, considerate subt punctul de vedere sistematic si geografic - Grecescu, Dimitrie, 1841 -1910 (Tip. Dreptatea, 1898)

Conspectus floræ Africæ, ou Énumération des plantes d'Afrique - Durand, Th. (Théophile), 1855 -1912 (Jardin botanique de l'état; [etc., etc.], 1895)

Conspectus florae Europaeae. Supplementum I - Nyman, Carl Fredrik, 1820 -1893 (Typis Officinae Bohlinianae, 1883)

Conspectus florae europaeae :seu Enumeratio methodica plantarum phanerogamarum Europae indigenarum, indicatio distributionis geographicae singularum etc - Nyman, Carl Fredrik, 1820 -1893 (typis officinae Bohlinianae, 1878)

Conspectus florae Graecae - Halácsy, Eugen v., 1842 -1913 (Sumptibus Guilelmi Engelmann, 1904)

Conspectus regni vegetabilis per gradus naturales evoluti. Tentamen - Reichenbach, H. G. Ludwig (Heinrich Gottlieb Ludwig), 1793 -1879 (apud C. Cnobloch, 1828)

Contribución al estudio de la flora del Tandil - Spegazzini, Cárlos, 1858 -1926 (1901)

Contribuição para o conhecimento da flora orchidacea da Serra do Itatiaya - Porto, P Campos (Jardin Botanico do Rio de Janeiro, 1915)

Contribution à la flore de la Guadeloupe - Mazé, H. 1818 -1892 (Imprimerie du gouvernement, 1892)

A contribution to the flora of Australia - Woolls, William, 1814 -1893 (F. White, 1867)

Contributions from the Botanical Laboratory - University of Pennsylvania. Botanical Laboratory. (University of Pennsylvania Press, 1892)

Contributions from the Botanical Laboratory and the Morris Arboretum of the University of Pennsylvania - University of Pennsylvania. Botanical Laboratory. ([s.n, 1934)

Contributions from the Gray Herbarium of Harvard University - Harvard University. Gray Herbarium. (Harvard University, 1893)

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, 1895)

Contributions from the Gray Herbarium of Harvard University - Harvard University. Gray Herbarium. (Harvard University, 1896)

Contributions from the Gray Herbarium of Harvard University - Harvard University. Gray Herbarium. (Harvard University, 1900)

Contributions from the Gray Herbarium of Harvard University - Harvard University. Gray Herbarium. (Harvard University, 1907)

Contributions from the Gray Herbarium of Harvard University - Harvard University. Gray Herbarium. (Harvard University, 1911)

Contributions from the Gray Herbarium of Harvard University - Harvard University. Gray Herbarium. (Harvard University, 1921)

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, 1937)

Contributions from the Gray Herbarium of Harvard University - Harvard University. Gray Herbarium. (Harvard University, 1938)

Contributions from the Gray Herbarium of Harvard University - Harvard University. Gray Herbarium. (Harvard University, 1939)

Contributions from the Gray Herbarium of Harvard University - Harvard University. Gray Herbarium. (Harvard University, 1940)

Contributions from the Gray Herbarium of Harvard University - Harvard University. Gray Herbarium. (Harvard University, 1945)

Contributions from the Gray Herbarium of Harvard University - Harvard University. Gray Herbarium. (Harvard University, 1946)