Check list of Canadian plants - Macoun, James Melville, 1862 -1920 (Printed by Cunningham & Lindsay, 1889)

Check list of plants compiled for the vicinity of Baltimore - Sollers, Basil. (J. Murphy, 1888)

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 grasses of New York State - Smith, Stanley Jay. (University of the State of New York, State Education Dept, 1965)

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 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)

The chemical composition of native forage plants of southern Alberta and Saskatchewan in relation to grazing practices - Canada. Department of Agriculture. (Dept. of Agriculture, 1981)

Chung-kuo chu yao chih wu t?u shuo - Keng, I-li, 1898 - (K'o hsüeh chʻu pan shê, 1959)

Circular - United States. Division of Agrostology. (The Division, 1895)

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, 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 & 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 & 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 ... 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 (Manufacturing Co., S. Ide, agent, 1848)

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 o - Wood, Alphonso, 1810 -1881 (Crocker & Brewster, 1849)

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)

Classification of deer habitat in the ponderosa pine forest of the Black Hills, South Dakota - Rocky Mountain Forest; Range Experiment Station (Fort Collins, Colo.) (Rocky Mountain Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1972)

Classification of Southwestern Montana plant communities : emphasizing those of Dillon Resource Area, Bureau of Land Management - Montana Natural Heritage Program. (Montana Natural Heritage Program, 1995)

Clavis agrostographiae antiquioris. Uebersicht des Zustandes der Agrostographie bis auf Linné; und Versuch einer Reduction der alten Synonyme der Gräser auf die heutigen Trivialnahmen - Trinius, Carl Bernhard, 1778 -1844 (In der Biedermann'schen Hofbuchhandlung, 1822)

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)

The Coccidae - MacGillivray, Alexander Dyer, 1868 -1924 (Scarab company, 1921)

The Coccidae, tables for the identification of the subfamilies and some of the more important genera and species, together with discussions of their anatomy and life history - MacGillivray, Alexander Dyer, 1868 -1924 (Scarab Company, 1921)

The Coccidae, tables for the identification of the subfamilies and some of the more important genera and species, together with discussions of their anatomy and life history - MacGillivray, Alexander Dyer, 1868 -1924 (Scarab, 1921)

Codes to the INTREDIS register system for literature retrieval in forest pathology - Southeastern Forest Experiment Station (Asheville, N.C.) (U.S. Forest Service. Southeastern Forest Experiment Station, 1965)

Coefficient of conservatism rankings for the flora of Montana. Part II - Montana. Department of Environmental Quality (Montana Natural Heritage Program, 2016)

Collection book 24, # 30147 – # 30946 - Fosberg, F. Raymond (Francis Raymond), 1908 -1993 (1946)

Communication from the Governor, transmitting several reports relative to the Geological Survey of the State [1836-1840 - New York (State). Natural History Survey. (1839)

A comparison of the nutritional value of native and introduced grasses for winter pasture - University of Alberta. Faculty of Agriculture. (University of Alberta, 1950)

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)

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 of plant disease and decay fungi in Canada, 1960-1980 - Ginns, J. H. (James Herbert) (Research Branch, Agriculture Canada, 1986)

A compendium of the flora of the northern and middle states, containing generic and specific descriptions of all the plants, exclusive of the cryptogamia, hitherto found in the United States, north of the Potomac - Torrey, John, 1796 -1873 (S. B. Collins, 1826)

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)

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

Congrès international d'entomologie : [proceedings] (Hayez, 1910)

Congrès Scientifiques de France (1836)

Conservation status of Castilleja longispica on Custer and Gallatin National forests, Montana - Lesica, Peter. (MNHP, 1995)

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

Contribución al conocimiento de las Gramináceas argentinas - Stuckert, Teodoro, 1852 -1932 (J. A. Alsina, 1904)

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

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, 1917)

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, 1927)

Contributions from the Gray Herbarium of Harvard University - Harvard University. Gray Herbarium. (Harvard University, 1926)

Contributions from the Gray Herbarium of Harvard University - Harvard University. Gray Herbarium. (Harvard University, 1936)

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, 1943)

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

Contributions from the Gray Herbarium of Harvard University - Harvard University. Gray Herbarium. (Harvard University, 1947)

Contributions from the Gray Herbarium of Harvard University - Harvard University. Gray Herbarium. (Harvard University, 1966)

Contributions from the herbarium of the Geological Survey of Canada - Geological Survey of Canada (s.n.], 1894)

Contributions from the New South Wales National Herbarium. Flora series (Govt. Pr, 1961)

Contributions from the New York Botanical Garden - New York Botanical Garden (The Garden, 1915)

Contributions from the New York Botanical Garden - New York Botanical Garden (The Garden, 1918)

Contributions from the Queensland Herbarium - Queensland Herbarium. (The Herbarium, 1972)

Contributions from the Queensland Herbarium - Queensland Herbarium. (The Herbarium, 1974)

Contributions from the Queensland Herbarium - Queensland Herbarium. (The Herbarium, 1975)

Contributions from the Queensland Herbarium - Queensland Herbarium. (The Herbarium, 1977)

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, 1892)

Contributions from the United States National Herbarium - United States. National Herbarium. (Smithsonian Institution Press, 1897)

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, 1906)

Contributions from the United States National Herbarium - United States. National Herbarium. (Smithsonian Institution Press, 1913)

Contributions from the United States National Herbarium - United States. National Herbarium. (Smithsonian Institution Press, 1914)

Contributions from the United States National Herbarium - United States. National Herbarium. (Smithsonian Institution Press, 1915)

Contributions from the United States National Herbarium - United States. National Herbarium. (Smithsonian Institution Press, 1919)

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

Contributions from the United States National Herbarium - United States. National Herbarium. (Smithsonian Institution Press, 1931)

Contributions from the United States National Herbarium - United States. National Herbarium. (Smithsonian Institution Press, 1925)

Contributions from the United States National Herbarium - United States. National Herbarium. (Smithsonian Institution Press, 2001)

Contributions from the United States National Herbarium - United States. National Herbarium. (Smithsonian Institution Press, 2003)