United States, Texas, Tarrant, In relatively sparsely vegetated eroded or rocky areas on moderate to steep W-facing slope of limestone and sandy strata, 100-800 ft. NW of perimeter road from creek crossing near E edge of park, ca. 0.3 airmiles S of southern of two jcts. of F. M. 1220 a
32.93139 -97.48278
Disk and ray florets dark yellow; occasional. In strips of little bluestem grassland alternating with Texas oak or post oak woodland. Associates include Adropogon gerardii, Aster pratensis, Bouteloua curtipendula, B. pectinata, Chamaesyce missurica, Dalea hallii, Hedyotis nigricans, Liatris punctata, Muhlenbergia reverchonii, Palafoxia callosa, Paronychia virginica, Polygala alba, Schizachyrium scoparium, Solidago nitida, S. petiolaris, Sorhastrum nutans, Sporobolus asper, Stenosiphon linifolius.