HAVE: Cowpen daisy
Very drought tolerant. It's growing so well in the far corner of my property that I thought it was perennial. It never gets watered back there, but continues to bloom faithfully each year. So, as an annual, it reseeds very well.
Am interested in trading for other drought tolearant varieties of native Texas plants.
Here is a link that might be useful: Cowpen daisy/Golden Crownbeard