Invasive Family: Frog’s-bit family (Hydrocharitaceae)
Invasives
![](https://cisma-suasco.org/wp-content/uploads/2018/03/brazlian-waterweed-flower-300x225.jpg)
Brazilian Waterweed (Egeria densa)
Brazilian waterweed, also known as Brazilian elodea, is a submerged aquatic perennial plant that infests streams, lakes, and ponds. The bright green stems are generally 1-2 feet in length, but can be as much as 20 feet. The plant’s leaves are arranged in whorls of 4 to 6 leaves; the…
![](https://cisma-suasco.org/wp-content/uploads/2018/02/Hydrilla-300x200.jpg)
Hydrilla (Hydrilla verticillata)
Hydrilla, also known as water thyme, is a submerged, aquatic, perennial herbaceous plant that can grow from depths of 20-25 feet. The stems have whorls of 3-8 tiny, strap-like leaves that are 0.2 to 0.8 inches long and 0.07-0.15 inches wide. The leaves have saw-toothed margins visible with a hand lens. Hydrilla…