I did a quick search and found these.
Some others were listed as "cosmopolitan" and "pan tropic" when I looked for the location: Africa.
Then I got tired of looking, so there may be more, but these will give you something to research:
Anubias barteri coffeefolia
Anubias barteri var. angustifolia
Anubias barteri var. barteri
Anubias varteri var. caladiifolia
Anubias barteri ver. nana
Ammannia senegalensis
Aponogeton abyssinicus
Aponogeton boivinianus
Aponogeton longiplumulosus
Aponogeton madagascariensis
Aponogeton ulvaceus
Bolbitis heudelotti aka Aftican Fern
Crinum calamistratum
Crinum natans
Eichhornia natans
Liaeopsis mauritiana
Nesaea crassicaulis
Nesaea pedicellata
Nymphaea lotus aka Tiger lotus
Ranunculus delphinifolius aka Yellow water crowfoot
Zosterella dubia aka Water stargrass
ps, I'm pretty sure vals aren't from Africa
