Lemna aequinoctialis
Lemna cyclostasa
Lemna gibba
Lemna minima
Lemna minor
Lemna minor var. cyclostasa
Lemna minor var. minima
Lemna minuscula
Lemna minuta
Lemna oblonga
Lemna paucicostata
Lemna perpusilla
Lemna polyrhiza
Lemna trisulca
Lemna turionifera
Lemna valdiviana
Lemna valdiviana var. abbreviata
Lemna valdiviana var. valdiviana