I grow Tristagma nivalis, and it is hard to imagine it being in the same genus as Rolf Riedler or I uniflorum (or (I) sellowianum and N ostenii). Peter (UK) On Wed, Jan 25, 2012 at 8:06 PM, "J.Mäsgen" <neumannmaesgen@gmx.de> wrote: > Changing of all Ipheions to Tristagma needs more investigation, too >