%0 Journal Article %T Youngia japonica (Asteraceae, Lactuceae), una novedad para la Flora adventicia de Argentina %A Slanis %A Alberto C. %A Perea %A Mar¨ªa C. %J Bolet£¿-n de la Sociedad Argentina de Bot£¿£¿nica %D 2011 %I Scientific Electronic Library Online %X the presence of youngia japonica, a weed native of southeastern asia, is reported for the first time in argentina. it was observed as ruderal and invading gardens in tucum¨¢n and entre r¨ªos provinces. the arrival of the species to this country is estimated as recent. a description and illustration of the plant are given. %K adventitious flora %K argentinean flora %K asteraceae %K weed %K youngia. %U http://www.scielo.org.ar/scielo.php?script=sci_abstract&pid=S1851-23722011000100011&lng=en&nrm=iso&tlng=en