A critical comparison of the type collection of the Peruvian Sisymbrium lactucoides with members of that genus worldwide reveals that the species should be assigned to Dictyophragmus. The new combination D. lactucoides is proposed. A key to the three species of Dictyophragmus is presented.
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1 July 2006
SISYMBRIUM LACTUCOIDES BELONGS TO DICTYOPHRAGMUS (BRASSICACEAE)
Ihsan A. Al-Shehbaz
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