May 20th

An invasive plant is a plant that is not native to area it lives in now. Usually is from another country and creates problems in the area it was accidently introduced to. An Emergent plant that was introuduced in texas is Alligator weed. Its orgin was South America and its problem for us is that it is aggresive and mat forming. It also impedes navigationa and displaces native vegitation. Its stems are thick and green and has a white flower bud at the stop of the stem.


A free floating invasive plant is Giant Salvania which also orginitated from South America. The most common description for this weed is that it looks like lettuce. Hinting from the nickname "plant from hell" Giant salvania creates a lot of problems. It reduces the oxygen level, negatively affects water quality and habitat and they are impossible to remove from the pond.


Hydrilla is a completely submersed weed that is tall and can grow under 1% light. They can also double overnight and can grown more than an inch a day. They aalso shades out desirable native vegetation and impade naviagtion.