Texas Wild Rice
- In striking contrast, this species is now listed as federally endangered (USFWS 1978)
- Texas wild-rice has long green leaves up to 45 inches in length and 1/4 to 1 inch wide.
- an aquatic perennial grass found only in the upper two miles of the San Marcos River in central Texas.
- It is related to the wild-rice grown for human food.
- This plant grows in clear flowing spring-fed waters.
Cause of Endangered
- Groundwater pumping of Edwards aquifer
- Pollution from vegetation management
- Stream modification by damming
- Recreation--including swimming and boating in and around the populations
- Nutria (aquatic rodents) eating stalks
The Fish and Wildlife Service Recovery Plan recommends that a public education program be established, aimed at minimizing recreational disturbance of wildrice in the San Marcos River.