Cosmopolitan

Cladophora aegagropila is not really a plant, but a ball of algae from 3-10 cm wide.

Ceratophyllum demersum 'Foxtail' was found in a smaller tributary in Bolivia during an expedition to Rio Guapore, a boundary river between Brazil and Bolivia.

The cosmopolitan Egeria densa is a good plant for beginners, and its rapid growth helps create a balance in the aquarium from the start. Stems grows fast to 40-100 cm and becomes 2-4 cm wide.

Eleocharis acicularis is very common and thrives in almost all conditions in an aquarium. An open space without shading from other plants is still preferable.

A low-growing Eleocharis that forms runners close to the parent plant.

The genus Eriocaulon is usually adapted to soft water. Eriocaulon cinereum is more tolerant than most and will thrive in medium-hard water.  Soft water will promote overall health.

Lilaeopsis Novae-Zelandiae can grow very compact, but a "lawn effect'' (4-7 cm tall) is only achieved at high light intensity.

The appearance of Littorella uniflora makes it an easily recognizable plant in the aquarium.

Japanese Takashi Amano has inspired many aquarium owners to keep the 1-5 cm tall cosmopolitic liverwort, Riccia fluitans, submerged.