On-Line Key to the Lemnaceae O.S.U. On-Line Key to the Lemnaceae
Key to Species of WOLFFIA
Lead 1
- Tip of plant body clearly pointed (and slightly upturned), upper
surface distinctly flattened; dead plants dotted with brown pigment cells - Wolffia borealis
- Tip of plant body rounded (not slightly upturned), upper surface more or less rounded (except W. arrhiza) or flattened with a central papule (as in W. brasiliensis) - Lead 2
