United States, Texas, Harris, Lake Houston State Park, along and S of FM 1485, 3 mi. E of New Caney, at Isable Lake, 600 m N of end of "5 mile Road".
30.08333 -95.15
Mixed hardwood (laurel oak, white oak, water oak, magnolia, sweet gum)-loblolly pine forest and disturbance openings. Upper sandy terraces in some places incised by old channels and tributaries. Rays and disks yellow. Local in exposed sand in small opening.