United States, Texas, Zapata, Northern part of townsite of New Zapata, 1.2 miles northeast of Highway 83 on the road to Bustamante.
26.9176 -99.2559 +-1600m.
Clearing in brush on sandy loam. Heads yellow. Plants about 2 feet tall, branching profusely from the base, the branches reclining for about half their length. Plants about 3-4 feet in diameter.