

Tape-grass
Botanical name: Hydrocharitaceae
Tape-grass
Botanical name: Hydrocharitaceae

Species of Tape-grass

Waterthyme
Waterthyme is a genus of aquatic plant, usually treated as containing just one species. The stems grow up to 1 to 2 m long. The leaves are arranged in whorls of two to eight around the stem, each leaf with serrations or small spines along the leaf margins; the leaf midrib is often reddish when fresh. It is monoecious (sometimes dioecious), with male and female flowers produced separately on a single plant; the flowers are small, with three sepals and three petals, the petals transparent with red streaks. It is native to the cool and warm waters of the Old World in Asia, Africa and Australia.
Waterweeds
Waterweeds is a genus of 6 species of aquatic plants. Waterweeds is native to the Americas.
Waterweeds
The genus waterweeds has the leaves in whorls of four or more, not three, and in having more conspicuous flowers with larger (particularly broader) petals. Waterweeds is a genus of three species of aquatic plants in the family Hydrocharitaceae. It is native to warm-temperate South America. Waterweeds is found in many temperate and subtropical regions throughout the world as an introduced, or "alien", species.
Water soldier
Water soldier is a monotypic genus. Water soldier is a genus of submerged aquatic plant. The leaves are serrate and very brittle, breaking easily when handled. Reproduction is generally by offsets, which may number five or more per plant. Water soldier is native to Europe and NW Asia.
Ottelia
Ottelia is a genus of an aquatic plant family Hydrocharitaceae described as a genus in 1805. The genus is native to tropical and subtropical regions of Africa, Asia, South America, and Australia.
Oxygen-weed
Hydrocharis
Hydrocharis is a genus of aquatic plants in the family Hydrocharitaceae. It is widespread across much of Europe and Asia, plus a few scattered locations in Africa. It is also reportedly naturalized in parts of North America. Three species are recognised.
Blyxa
Blyxa is a genus of an aquatic plant of the family Hydrocharitaceae described as a genus in 1806. It is native to tropical and subtropical regions of Africa, Asia, Madagascar, and Australia.
Turtlegrass
Turtlegrass is a marine seagrass genus comprising two known species.
Water-nymphs
Water-nymphs is a genus of aquatic plants. It is cosmopolitan in distribution.
Eelgrasses
An aquatic genus growing in freshwater ponds and lakes, eelgrasses have unusual flowers: the male flowers grow underwater, detaching to surface when mature, while female flowers grow on the surface like those of water lilies. Some species have been domesticated for the aquarium trade.

Scientific Classification
