This is an aquatic or semiaquatic perennial herb which grows in moist to wet to flooded areas.

It comprises about 50 genera and 250 species of more or less thalloid aquatic herbs.

All of the species are rhizomatous aquatic herbs with a broad leaf base.

The aquatic herbs in the genus Elatine often have reduced characteristics as part of their adaptation to an aquatic habitat.

The earliest flowering plants, he goes on to say, were probably "aquatic herbs with no woody parts."

They are small, perennial, aquatic herbs, native to the tropics, but adventive or naturalized in the subtropics as a result of cultivation.

Trithuria is a genus of minute aquatic herbs.

Western lowland gorillas have less access to terrestrial herbs, although they can access aquatic herbs in some areas.

This is an aquatic perennial herb growing from a spherical tuber.

The plants are all aquatic perennial herbs, often with creeping rhizomes and leafy branches.