| Family Name | Hydrocharitaceae |
| Scientific name | Egeroa densa |
| Common name | Hydrocharitaceae |
| Growth habit | Common aquatic plants, invasive species |
| Leaf | Leaves 4-8 whorls, about 1 to 4 cm, 2-5 mm wide |
| Flower | Flower diameter of about 1 to 2 cm, three large white petals, the male flower petal length of about 8-10 mm, length of the petals of the female flowers, compared with 6-7 mm |
| Fruit | No fruit |
| More to learn | Origin region of high temperatures in South America, including Egeria densa of southeastern Brazil, Argentina, Uruguay, dense breeding does not impede the passage of vessels, clogged intakes and ditches, also crowding out native plants, while preventing the anadromous spawning migration of fish |
| Properties | Secrete antibiotics to inhibit the growth of blue-green algae |
| Treats | non |
| Reference | In formation of Egeria densa In formation of Egeria densa In formation of Egeria densa |