Appendix 1.
Voucher information for Phytolacca species used in this study.
| Species | Voucher specimen accession no.a | Collection localityb | Geographic coordinates | N |
| Phytolacca americana | FL1-HAD | Williston, Florida, USA | 29.462617, −82.450328 | 26 |
| Phytolacca americana | IL1-KEB | Nashville, Illinois, USA | 38.352300, −89.379167 | 18 |
| Phytolacca americana | PAN2-RM/MMM | Tangkou, Anhui, China | 29.927537, 118.026423 | 25 |
| Phytolacca americana | PJP6-RM | Sukagawa, Fukushima, Japan | 37.280853, 140.359136 | 24 |
| Phytolacca acinosa | CPN-RM | Nanjing, Jiangsu, China | 32.060703, 118.834628 | 24 |
Note: N = number of individuals.
a
HAD = Hollis A. Dahn, collector; KEB = Kerin E. Bentley, collector; MMM = Margalit M. Mauricio, collector; RM = Rodney Mauricio, collector. Vouchers deposited at the University of Georgia, Department of Genetics, Germplasm bank.
b
Locality (closest municipality) and state, province, or prefecture.