United States, North Carolina, Madison, NORTH CAROLINA. Madison Co.: along road #1304, 2.0 miles northwest of US. 70-25 on right bank of the French Broad River.
Pasture and roadside ditch.
Inventoried for NC Natural History program by El Smith// 1977. NCU 294361 Previously placed in the Hydrophyllaceae; family name change is based on information from the "Flora of North America".