For Ernodea
Britton, N.L. 1908. The genus Ernodea Swartz: a study of species and races. Bull. Torrey Bot. Club 35: 203-208.
Correll, D.S., and H.B. Correll. 1982. Flora of the Bahama Archipelago (including the Turks and Caicos Islands). J. Cramer, Vaduz. 1692 pp.
Negrón-Ortiz, V., and R.J. Hickey. 1996a. The genus Ernodea (Rubiaceae) in the Caribbean basin. II. Morphological analyses and systematics. Syst. Bot. 21: 445-458.
Negrón-Ortiz, V., and R.J. Hickey. 1996b. The genus Ernodea (Rubiaceae) in the Caribbean basin. I. Allozyme variation and mating systems. Syst. Bot. 21: 433-443.
Rogers, G.K. 2005. The genera of Rubiaceae in the southeastern United States, part II. Subfamily Rubioideae, and subfamily Cinchonoideae revisited (Chiococca, Erithalis, and Guettarda). Harvard Papers in Botany 10: 1-45.
Cite as...