| Author | Title | Journal/publisher | Literature ref. no. |
| Daubs, E.H. (1965) | A Monograph of Lemnaceae | Illinois Biological Monographs 34 The University of Illinois Press, Urbana. | 1081 |
Note that the process of capturing references from species to the literature and the reverse may be incomplete.
| Species found: 3 |
| Lemna aequinoctialis |
| Wolffia arrhiza |
| Wolffiella welwitschii |