Wild Basin Wilderness Preserve

http://www.wildbasin.org/index.lasso

Lady Bird Johnson Wildflower is a great resource to visit in person or on the web!

wildflower.org/whynatives/

Travis Audubon sponsors monthly river trips to monitor the Colorado River.  Yes there is another Colorado.

http://www.travisaudubon.org/index.html

When not working, I volunteer with these friendly folks:

The Capital Area Master Naturalists.

http://camn.org/

Native Plant Society has an Austin Chapter:

http://npsot.org/wp/

Click here for chapters around the state:

http://npsota.wordpress.com/

The Native Prairies Association of Texas works to protect and restore native prairies across Texas:

http://texasprairie.org/