2010.04.30 Austria, Vienna XXII. district (Lobau grain field 155 m AMSL).Flowering in april/may - habitus.Quite rare, for the first time discovered in Austria (Vienna) in 1953 and spreading since (potentially invasive), native of South and South-East Europe and Asia.German name: Zart-GliederschoteID: Fischer & al., Exkursionsflora (2008 3rd), and see also
this thread at naturbeobachtung.at.