Catalogus dipterorum hucusque descriptorum - Kertész, Kálmán, 1867 -1922 (G. Engelmann, 1902)

Catalogus florae Ludovicianae - Riddell, John Leonard, 1807 -1867 (s.n, 1852)

Catalogus plantarum Americae Septentrionalis : huc usque cognitarum indigenarum et cicurum: or, A catalogue of the hitherto known native and naturalized plants of North America, arranged according to the sexual system of Linnaeus - Muhlenberg, Henry, 1753 -1815 (Printed by William Hamilton, 1813)

Catalogus plantarum Angliae, et insularum adjacentium: tum indigenas, tum in agris passim cultas complectens. In quo praeter synonyma necessaria, facultates quoque summatim traduntur, unà cum observationibus & experimentis novis medicis & physics - Ray, John, 1627 -1705 (typis A. Clark, impensis J. Martyn, 1677)

Catalogus plantarum : quibus consitus est Patavii amoenissimus hortus illustrissimi, ac excellentissimi equitis Jo: Francisci Mauroceni - Tita, Antonio (Typis Semin., Apud Joannem Manfr©·, 1713)

Catalogus stirpium &c., or, A catalogue of plants naturally growing and commonly cultivated in divers parts of England, more especially about Nottingham ... - Deering, Charles, 1695? -1749 (Printed for the author by G. Ayscough, 1738)

Catalogus systematicus plantarum indigenarum in comitatu dublinensi inventarum Pars prima - Wade, Walter, 1825 (Apud Gul. Sleater, typographum Societatis Dublinensis, 1794)

The Catholic yearbook : comprehending, the circle of the seasons and key to the calendar and almanac, or the natural history, religious festivals and miscellaneous customs of the whole year adapted for all succeeding years ; and fitted as a Christmas present - Forster, T. (Thomas), 1789 -1860 (Keating and Brown, 1833)

C.E. Hobb's botanical hand-book of common local, English, botanical and pharmacopoeial names arranged in alphabetical order, of most of the crude vegetable drugs, etc., in common use : especially designed as a reference book for druggists and apothecaries - Hobbs, Charles E. (Printed by C.C. Roberts, 1876)

C.E. Hobbs' Botanical hand-book : of common local, English, botanical and pharmacopœial names arranged in alphabetical order, of most of the crude vegetable drugs, etc., in common use : their properties, productions and uses in an abbreviated form : especially designed as a reference book for druggists and apothecaries - Hobbs, Charles E. (Printed by C.C. Roberts, 1876)

The century supplement to the dictionary of gardening, a practical and scientific encyclopaedia of horticulture for gardeners and botanists - Nicholson, George, 1847 -1908 (Geo. T. King, 1901)

Cerambycidae of Northern Asia - United States. Department of Agriculture. (Translated and published under an agreement for the U.S. Dept. of Agriculture, Washington, D.C., by Amerind Pub. Co, 1988)

The Chautauqua flora : a catalogue of the plants of Chautauqua Co., New York, native or naturalized ; extending through the cryptogamous plants, to the end of the Hepaticae - Burgess, Edward Sandford, 1855 -1928 ([E.S. Burgess?], 1877)

Check list of Canadian plants - Macoun, James Melville, 1862 -1920 (s.n.], 1889)

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)

Check list of plants housed in the Forest Service, Southern Region, Herbarium - United States. Forest Service. Southern Region. Herbarium. (U.S. Dept. of Agriculture, Forest Service, Southern Region, 1982)

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

Checklist of plants of the Ottawa District - Gillett, John M. (John Montague), 1918 -2014 (1958)

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)

Christiania amegns phanerogamer og bregner, med angivelse af deres udbredelse samt en indledning om vegetationens afhaengighed af underlaget - Blytt, Axel, 1843 -1898 (Trykt hos Brøgger & Christie, 1870)

Chronological history of plants : man's record of his own existence illustrated through their names, uses, and companionship - Pickering, Charles, 1805 -1878 (Little, Brown & company, 1879)

Chronological history of plants: man's record of his own existence illustrated through their names, uses, and companionship - Pickering, Charles, 1805 -1878 (Little, Brown & company, 1879)

Cicadinen (Hemiptera-Homoptera) von Mittel-Europa - Melichar, Leopold. (F.L. Dames, 1896)

Claytonia : newsletter of the Arkansas Native Plant Society - Arkansas Native Plant Society. (The Society], 2014)

Coefficient of conservatism rankings for the flora of Montana Part III - Montana Natural Heritage Program. (Montana Natural Heritage Program, 2017)

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

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)

Coleoptera Neerlandica : de schildvleugelige insecten van Nederland en het aangrenzend gebied - Everts, Edouard Jacques Guillaume, 1849 -1932 (Nijhoff, 1898)

Coleoptera Neerlandica : de schildvleugelige insecten van Nederland en het aangrenzend gebied - Everts, Edouard Jacques Guillaume, 1849 -1932 (Nijhoff, 1901)

Coleoptera Neerlandica : de schildvleugelige insecten van Nederland en het aangrenzend gebied - Everts, Edouard Jacques Guillaume, 1849 -1932 (Nijhoff, 1922)

The Coleoptera of the British islands : a descriptive account of the families, genera, and species indigenous to Great Britain and Ireland, with notes as to localities, habitats, etc - Donisthorpe, Horace St. John Kelly (L. Reeve & co, 1889)

The Coleoptera of the British islands : a descriptive account of the families, genera, and species indigenous to Great Britain and Ireland, with notes as to localities, habitats, etc - Donisthorpe, Horace St. John Kelly (L. Reeve & co, 1890)

The Coleoptera of the British islands : a descriptive account of the families, genera, and species indigenous to Great Britain and Ireland, with notes as to localities, habitats, etc - Donisthorpe, Horace St. John Kelly (L. Reeve & co, 1891)

The Coleoptera of the British islands : a descriptive account of the families, genera, and species indigenous to Great Britain and Ireland, with notes as to localities, habitats, etc - Donisthorpe, Horace St. John Kelly (L. Reeve & co, 1913)

Collectanea for a Flora of Moray; or, a list of the phaenogamous plants and ferns hitherto found within the Province - Gordon, George, 1801 -1893 (Alex. Russell, 1839)

Collection Académique partie etrangère - Société Royale des Sciences de Turin (Société Royale des Sciences de Turin, 1779)

The colours of flowers as illustrated in British flora - Allen, Grant, 1848 -1899 (Macmillan, 1882)

The colours of flowers as illustrated in the British flora - Allen, Grant, 1848 -1899 (Macmillan, 1882)

Common and scientific names of weeds in Canada = Noms populaires et scientifiques des plantes nuisibles du Canada - Darbyshire, S. J. (Agriculture and Agri-Food Canada = Agriculture et agroalimentaire Canada, 2000)

Common weeds of Canada a pocket guide - Hamilton, D. Wiley (David Wiley), 1878 -1935 (Macmillan, 1910)

Common weeds of the farm & garden - Percival, John, 1863 -1949 (Frederick A. Stokes, 1910)

Comparative anatomy of the vegetative organs of the phanerogams and ferns - Bary, A. de (Anton), 1831 -1888 (Clarendon Press, 1884)

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

Compendium florae Germaniae Sectio I Plantae phanerogamicae seu vasculosae - Bluff, Matthias Joseph, 1805 -1837 (J.L. Schrag, 1836)

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

Compte Rendu de la Association Française pour l'Avancement des Sciences - Association française pour l'avancement des sciences. (Secretariat de lʹAssociation, 1892)

Compte Rendu de la Association Française pour l'Avancement des Sciences - Association française pour l'avancement des sciences. (Secretariat de lʹAssociation, 1899)

Compte Rendu de la Association Française pour l'Avancement des Sciences - Association française pour l'avancement des sciences. (Secretariat de lʹAssociation, 1911)

Compte rendu du Congrès international d'essais de semences. Discussions at the International Seed Testing Conference. Verhandlungen der Internationalen Konferenz für Samenprüfung à/in Copenhague (Danemark), 6.- 10. VI. 1921 - Dorph-Petersen, Knud, 1872 - (1922)

Comptes rendus hebdomadaires des séances et mémoires de la Société de biologie - Société de biologie (Paris, France) (G. Masson, 1908)

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)

Conditions of the trade in clover and grass seeds in the Province of British Columbia - McKillican, W. C. (William Christie), 1880 - (Dept. of Agriculture, 1907)

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, 1973)

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

Congrès international d'entomologie : [proceedings] (Hayez, 1938)

Congrès international d'entomologie : [proceedings] (Hayez, 1971)

Congrès Scientifiques de France (1836)

Congrès Scientifiques de France (1843)

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 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 Smolandicae / scripsit Nicolaus Johannes Scheutz - Scheutz, Nils Johan Wilhelm, 1836 -1889 (Typis Acad. reg. typ, 1857)

Contribution a l'étude comparée de la flore du Massif Scandinave et du Massif Central de la France - Carlson, C. S. (Imp. G. Bonnet, 1905)

A contribution to our knowledge of seedlings - Lubbock, John, Sir, 1834 -1913 (K. Paul, Trench, Trübner, & co., ltd, 1892)

A contribution to the flora of Derbyshire being an account of the flowering plants, ferns, and Characeae found in the county - Painter, W. H. (George Bell, 1889)

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, 1916)

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

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, 1925)

Contributions from the University of Michigan Herbarium - University of Michigan. University Herbarium. (University Herbarium, University of Michigan, 2001)

Contributions to the botany of Vermont - Middlebury College. (Botanical Dept., University of Vermont, 1898)

Contributions to the flora of central New York, I - Smith, Stanley J. (Stanley Jay), 1915 - (University of the State of New York, 1945)

Contributions towards a Cybele hibernica, being outlines of the geographical distribution of plants in Ireland - Moore, David, 1807 -1879 (E. Ponsonby, 1898)

Contributions towards a Cybele hibernica, being outlines of the geographical distribution of plants in Ireland - Moore, David, 1807 -1879 (Hodges, Smith, 1872)

Contributions towards a fauna and flora of the county of Cork, read at the meeting of the British association held at Cork in the year 1843 - Cuvierian Society of Cork. (J. Van Voorst, 1845)

Cooperative economic insect report - United States. Bureau of Entomology; Plant Quarantine. (Plant Protection and Quarantine Programs Animal and Plant Health Service, 1951)

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)

Corps d'observations de la Société d'agriculture, de commerce & des arts - Abeille, Louis Paul, 1719 -1807 (J. Vatar, 1760)

Corpus florarum provincialium Sueciae. I. Floram scanicam - Fries, Elias, 1794 -1878 (Typis Palmblad, Sebell & Co, 1835)

Correspondenz-blatt des Naturwissenschaftlichen Vereins (früher Zoologisch-mineralogischer Verein) in Regensburg - Naturwissenschaftlicher Verein Regensburg. (Naturwissenschaftlichen Verein, 1883)

Correspondenz-blatt des Naturwissenschaftlichen Vereins (früher Zoologisch-mineralogischer Verein) in Regensburg - Naturwissenschaftlicher Verein Regensburg. (Naturwissenschaftlichen Verein, 1887)

Correspondenz-blatt des Zoologisch-mineralogischen Vereins in Regensburg - Zoologisch-Mineralogischer Verein (Regensburg, Germany) (Zoologisch-mineralogischer Verein, 1863)

Correspondenz-blatt des Zoologisch-mineralogischen Vereins in Regensburg - Zoologisch-Mineralogischer Verein (Regensburg, Germany) (Zoologisch-mineralogischer Verein, 1865)

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

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

Cours élémentaire de botanique et flore du Canada à l'usage des maisons d'éducation - Moyen, J. (Jean), 1828 -1899 (G.E. Desbarats, 1871)

Die Crabronen der paläarktischen region Monographisch - Kohl, Franz Friedrich (Alfred Hölder, 1915)

Crittogamia agraria - Comes, O. (Orazio), 1848 -1917 (Marghieri, 1891)

Crittogamia agraria - Comes, O. (Orazio), 1848 -1917 (R. Marghieri di Gius, 1891)

The crops of the farm - Bowick, Thomas. (Bradbury, Agnew, 1886)

Cryptogamie. Bryologie, lichenologie - Laboratoire de cryptogamie, Paris (Laboratoire de cryptogamie, 1990)

The cultivator : a monthly publication, devoted to agriculture - New York State Agricultural Society. (Published by New York State Agricultural Society, 1843)

Die culturpflanzen Norwegens - Schübeler, F. C. (Frederik Christian), 1815 -1892 (Gedruckt bei Brøgger & Christie, 1862)

Cunninghamia: A journal of plant ecology for eastern Australia - National Herbarium of New South Wales, (Royal Botanic Gardens, National Herbarium of New South Wales, 1994)

Cunninghamia: A journal of plant ecology for eastern Australia - National Herbarium of New South Wales, (Royal Botanic Gardens, National Herbarium of New South Wales, 1998)

Cunninghamia: A journal of plant ecology for eastern Australia - National Herbarium of New South Wales, (Royal Botanic Gardens, National Herbarium of New South Wales, 1999)

Cunninghamia: A journal of plant ecology for eastern Australia - National Herbarium of New South Wales, (Royal Botanic Gardens, National Herbarium of New South Wales, 2006)

Cunninghamia: A journal of plant ecology for eastern Australia - National Herbarium of New South Wales, (Royal Botanic Gardens, National Herbarium of New South Wales, 2007)

Cunninghamia: A journal of plant ecology for eastern Australia - National Herbarium of New South Wales, (Royal Botanic Gardens, National Herbarium of New South Wales, 2009)

Cunninghamia: A journal of plant ecology for eastern Australia - National Herbarium of New South Wales, (Royal Botanic Gardens, National Herbarium of New South Wales, 2013)

Curtii Sprengel Flora Halensis - Sprengel, Kurt Polycarp Joachim, 1766 -1833 (Sumtibus Kmmelii, 1832)

Curtii Sprengel Florae Halensis tentamen novum - Sprengel, Kurt Polycarp Joachim, 1766 -1833 (Sumtibus C.A. Kmmelii, 1806)

Curtis's botanical magazine - Hooker, Joseph Dalton, 1817 -1911 (Academic Press [etc.], 1810)

Cybele Britannica : or British Plants and their geographical relations - Watson, Hewett Cottrell, 1804 -1881 (1847)

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

D. Io. Hieron. Kniphofii pathol. et prax. in Acad. Erfurt. prof. publ. ordin. facult. med. senior. et adsess. primar., Acad. Caesar. nat. curiosor adiuncti, et bibliothecarii Botanica in originali, seu, Herbarium vivum : in quo plantarum tam indigenarum quam exoticarum peculiari quadam operosaque enchiresi atramento impressorio obductarum nominibusqve suis ad methodum illustrivm nostri aevi botanicorum Linnaei et Ludwigii insignitarum elegantissima ectypa exhibentur - Kniphof, Johann Hieronymus, 1704 -1763 (Opera et studio Ioannis Godofredi Trampe, typographi halensis, 1758)

D. Io. Hieron. Kniphofii pathol. et prax. in Acad. Erfurt. prof. publ. ordin. facult. med. senior. et adsess. primar., Acad. Caesar. nat. curiosor adiuncti, et bibliothecarii Botanica in originali, seu, Herbarium vivum : in quo plantarum tam indigenarum quam exoticarum peculiari quadam operosaque enchiresi atramento impressorio obductarum nominibusqve suis ad methodum illustrivm nostri aevi botanicorum Linnaei et Ludwigii insignitarum elegantissima ectypa exhibentur - Kniphof, Johann Hieronymus, 1704 -1763 (Opera et studio Ioannis Godofredi Trampe, typographi halensis, 1759)

Danish fungi as represented in the herbarium of E. Rostrup - Lind, Jens Vilhelm August, 1874 - (Gyldendalske boghandel, 1913)

Danish fungi as represented in the herbarium of E. Rostrup - Lind, Jens Vilhelm August, 1874 - (Gyldendalske Boghandel-Nordisk Forlag, 1913)

Danmarks fauna; illustrerede haandbøger over den danske dyreverden... - Dansk naturhistorisk forening. (G.E.C. Gad, 1912)

Danmarks fauna; illustrerede haandbøger over den danske dyreverden... - Dansk naturhistorisk forening. (G.E.C. Gad, 1918)

Danmarks fauna; illustrerede haandbøger over den danske dyreverden... - Dansk naturhistorisk forening. (G.E.C. Gad, 1920)

Danmarks fauna; illustrerede haandbøger over den danske dyreverden... - Dansk naturhistorisk forening. (G.E.C. Gad, 1921)

Danmarks fauna; illustrerede haandbøger over den danske dyreverden... - Dansk naturhistorisk forening. (G.E.C. Gad, 1927)