Bacopa australis

Bacopa australis
Bacopa caroliniana (lemon bacopa, water hyssop)
Bacopa crenata
Bacopa monnieri (water hyssop)
Bacopa myriophylloides
Bacopa rotundifolia
Baldellia ranunculoides
Barclaya longifolia
Barclaya motleyi
Blyxa aubertii ...

It's been known that strong lights make this algae go away, but they might still be seen on lower, shadowed, plant leaves (Bacopa australis, Cardamine lyrata). It can also be found on aquarium glass, gravel and decoration.

See also: Aquarium plant, Aquarium, Species, Fish, Water