Mettez ici, ce qui permet d'identifier la plante !
Biblio
Vanderhoeven, S., Hardy, O., Vekemans, X., Lefebvre, C., de Loose, M., Lambinon, J., Meerts, P. - Morphometric study of populations of the Centaurea jacea complex (Asteraceae) in Belgium - Plant Biology, Volume 4, Issue 3, pages 403-412, May 2002 http://onlinelibrary.wiley.com/doi/10.1055/s-2002-32327/abstract