@article {19,
	title = {World Checklist of Rubiaceae},
	year = {2012},
	month = {1 Octobre 2012},
	publisher = {The Board of Trustees of the Royal Botanic Gardens, Kew},
	author = {Govaerts, R. and Ruhsam, M. and Andersson, L. and Robbrecht, E. and Bridson, D. and Davis, A. and Schanzer, I. and Sonk{\'e}, B.}
}
