United States, Missouri, Montgomery, MISSOURI. Montgomery Co.: Graham Cave State Park, 2 miles west of Danville (Montgomery City, MO quad). 38¡ 54'30"N, 91¡ 34'00" W; elevation 225 m.
meters
225
Limestone savanna and glades.
Herb to 1.3 m; flowers yellow; growing in open areas. Common. Collected for the Missouri Botanical Garden Herbarium (MO),