%0 Journal Article %T Preliminary evidence of landscape-level structure in a population of a perennial herb, Cypella herbertii (Iridaceae) %A Mariano Devoto %A Diego Medan %J Ecolog¨Şa Aplicada %D 2004 %I Universidad Nacional Agraria La Molina %X We present preliminary evidence for the existence of a genetic landscape-level structuring that might be a consequence of depressed pollen flow across heavily grazed populations of Cypella herbertii. %U http://www.redalyc.org/articulo.oa?id=34130227