%0 Journal Article %T Structural and developmental diversity in Podostemaceae (river-weeds) %A Rutishauser, Rolf %A , %J Aquatic Botany %V 57 %N 1-4 %P 29-70 %@ 0304-3770 %D 1997-06-01 %I Elsevier BV %~ DeepDyve