Bog bean (Menyanthes trifoliata)

http://caliban.mpiz-koeln.mpg.de/~st..._079_small.jpg

http://images.google.com/images?q=Me...ff&sa=N&tab=wi


"Frank Topf" wrote in message
...
Sorry i can´t speak english very good

do you know what plant this ist?

http://img54.imageshack.us/img54/4371/kif01974zd.jpg

thank you for your help
frank