Las Cactáceas de MÉXICO - Bravo-Hollis, Helia, 1901 -2001 (UNAM [Imprenta universitaria], 1937)

Cactæ in Horto Dyckensi cultæ anno 1849 : secundum tribus et genera digestæ, additis adnotationibus botanicis characteribusque specierum in enumeratione dianostica cactearum doct. Pfeifferi non descriptarum - Salm-Reifferscheidt, Joseph, Graf zu, 1773 -1861 (Henry & Cohen, 1850)

Cacteæ in horto dyckensi cultæ anno 1844 - Imprimerie de Crapelet (Paris, France) (E. Typis Crapelet, 1845)

Cacteæ in Horto Dyckensi cultæ anno 1844 - Imprimerie de Crapelet (Paris, France) (E. Typis Crapelet, 1845)

Cacteae in horto Dyckensi cultae anno 1849, secundum tribus et genera digestae : additis adnotationibus botanicis characteribusque specierum in enumeratione diagnostica cactearum Doct. Pfeifferi non descriptarum - Henry & Cohen, (Apud Henry & Cohen, typis C. Georgii, 1850)

Cactearum genera nova speciesque novæ et omnium in Horto monvilliano cultarum ex affinitatibus naturalibus ordinatio nova indexque methodicus - Lemaire, Charles Antoine, 1801 -1871 (J. Loss, 1859)

Cacti - Griffiths, David, 1867 -1935 (U.S. Dept. of Agriculture, 1929)

Cacti & succulents : general price list, fall 1947 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Hutchings Nursery, 1947)

Cacti and succulent : rare and unusual plants ... - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (R.W. Kelly, 1940)

Cacti and succulents : 1942 price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (R.W. Kelly, 1942)

Cacti and succulents and how to grow them - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Coover's Cactus Collections, 1944)

Cacti and succulents : rare and unusual plants from all over the world - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (R.W. Kelly, 1939)

Cactus and other succulent seeds : 1937-38 price list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (R.W. Kelly, 1937)

Cactus and other succulent seeds : general list No. 17 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (R.W. Kelly, 1939)

Cactus handbook, 1876-1951 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Johnson Cactus Gardens, 1951)

Cactus seed list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Aunt Pat, 1961)

Cactus seed list - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Aunt Pat, 1962)

California art & nature (1902)

The California horticulturist and floral magazine - Stephens, C. (F.A. Miller & Co, 1870)

The California horticulturist and floral magazine - Bay District Horticultural Society (F.A. Miller & Co, 1870)

Calques des dessins de la Flore du Mexique, de Mociño et Sessé qui ont servi de types d'Espèces dans le systema ou le prodromus - Candolle, Alphonse de, 1806 -1893 (1874)

Camden Park Greenhouses : [price list] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Camden Park Greenhouses, 1932)

The Canadian field-naturalist - Ottawa Field-Naturalists' Club (Ottawa Field-Naturalists' Club, 1982)

The Canadian horticulturist - Fruit Growers' Association of Ontario. (Fruit Growers' Association of Ontario, 1888)

The Canadian horticulturist - Fruit Growers' Association of Ontario. (Fruit Growers' Association of Ontario, 1895)

Capital natural de México - Sarukhan, Jose (Comisión Nacional para el Conocimiento y Uso de la Biodiversidad (CONABIO), 2008)

Capital natural de México - Sarukhan, Jose (Comisión Nacional para el Conocimiento y Uso de la Biodiversidad (CONABIO), 2009)

Carl Friedrich Forster's Handbuch der Cacteenkunde in ihrem ganzen Umfange :nach dem gegenwartigen Stande der Wissenschaft bearbeitet und durch die seit 1846 begrundetet Gattungen und neu eingefuhrten Arten vermehrt - Förster, Carl Friedrich. (Wöller, 1886)

Carnegie Institution of Washington publication - Carnegie Institution of Washington (Carnegie Institution of Washington, 1919)

Carnegie Institution of Washington publication - Carnegie Institution of Washington (Carnegie Institution of Washington, 1920)

Carnegie Institution of Washington publication - Carnegie Institution of Washington (Carnegie Institution of Washington, 1922)

Carnegie Institution of Washington publication - Carnegie Institution of Washington (Carnegie Institution of Washington, 1923)