– Nicolaas Laurens Burman (1733–1793) Burrill – Thomas Jonathan Burrill (1839–1916) Burt – Edward Angus Burt (1859–1939)
C C.A. Arnold – Chester Arthur Arnold (1901–1977) C. Abel – Clarke Abel (1789–1826) Cadet – Thérésien Cadet (1937–1987) C. Agardh – Carl Adolph Agardh (1785–1859) Caley – George Caley (1770–1829) C.A. Mey. – Carl Anton Andreevic von Meyer (1795–1855) Carrière – Elie-Abel Carrière (1818–1896) Carver – George Washington Carver (1864–1943) Cass. – Alexandre Henri Gabriel de Cassini (1781–1832) Catesby – Mark Catesby (1683–1749) Cav. – Antonio José Cavanilles (1745–1804) Cavara – Fridiano Cavara (1857–1929) C. Bab. – Churchill Babington (1821–1889) C. Bauhin – Gaspard Bauhin (1560–1624) C.B. Clarke – Charles Baron Clarke (1832–1906) C.E. Bertrand – Charles Eugène Bertrand (1851–1917) C.E. Cramer – Carl Eduard Cramer (1831–1901) Cels – Jacques Philippe Martin Cels (1740–1806) Cejp – Karel Cejp (1900–1979) Cerv. – Vicente Cervantes (1755–1829) Ces. – Vincenzo de Cesati (1806–1883) Cesalpino – Andrea Cesalpino (1519–1603) Cestoni – Giacinto Cestoni (1637–1718) C.F. Baker – Charles Fuller Baker (1872–1927) C.F. Gaertn. – Karl Friedrich von Gärtner (1772–1850) C.F. Schmidt – Carl Friedrich Schmidt (1811–1890) Cham.