Publication: Fl. Bor.-Amer. (Hooker) 1(2): 59. 1830.
Origin: Introduced from eastern North America.
selected vouchers: WTU
Notes: C. edentula, dispersed by the sea, moved 2000 miles, from its point of introduction in San Francisco, to Kodiak Island, Alaska, in 50 years (Barbour & Rodman 1970).
References: (none)