Figure 9 from: Haynes JE, Phillips WD, Krings A, Lynch NP, Ranney TG (2020) Revision of Fothergilla (Hamamelidaceae), including resurrection of F. parvifolia and a new species, F. milleri. PhytoKeys 144: 57-80. https://doi.org/10.3897/phytokeys.144.49589

Figure 9 Distribution of Fothergilla in the southeastern United States. Circle = F. major (6x); triangle = F. gardenii (4x); star = F. milleri (2x); plus sign = F. parvifolia (2x). Physiographic provinces follow Fenneman and Johnson (1946), shape files courtesy of usgs.gov. AP = Appalachian Plateau; BR = Blue Ridge; CP = Coastal Plain; ILP = Interior Low Plateau; OP = Ozark Plateau; Pd = Piedmont; VR = Valley and Ridge. Map generated by A. Krings in QGIS (QGIS Development Team 2019).