%0 Journal Article
%T Dos especies nuevas de Perymenium (Compositae-Heliantheae) del centro de M¨¦xico
%A Rzedowski
%A Jerzy
%A Calder¨®n de Rzedowski
%A Graciela
%J Acta bot¨¢nica mexicana
%D 2011
%I Instituto de Ecolog¨ªa A.C.
%X perymenium ibarrarum and p. moctezumae are described as new and illustrated. the first one resembles and is possibly related to p. hintonii mcvaugh; the second seems to be related to p. tamaulipense b. l. turner and to p. sotoarenasii rzed. & calder¨®n. both are only known from the type collections.
%K compositae
%K m¨¦xico
%K perymenium
%K taxonomy.
%U http://www.scielo.org.mx/scielo.php?script=sci_abstract&pid=S0187-71512011000400008&lng=en&nrm=iso&tlng=en