Appendix 1.
Voucher specimens used in this study. All specimens of Chrysophyllum cainito are deposited at the University of California, Davis, Center for Plant Diversity (DAV).
| Country | Collection no.a | Collection locality | N | Latitude | Longitude |
| Jamaica | JP135 | Albert Town, Trelawny Parish | 1 | 18°17.340 N | 77°32.594 W |
| JP95* | Cave Valley, St. Ann Parish | 2 | 18°12.869 N | 77°22.695 W | |
| JP108 | Ipswich/Red Gate, St. Elizabeth Parish | 4 | 18°10.588 N | 77°49.963 W | |
| JP101 | Johnson, St. James Parish | 2 | 18°15.708 N | 77°49.755 W | |
| JP128 | Kinloss–Clark Town Road, Trelawny Parish | 2 | 18°24.157 N | 77°33.716 W | |
| JP112 | Lacovia to Slipe, St. Elizabeth Parish | 1 | 18°04.377 N | 77°46.530 W | |
| JP119 | Marshal’s Pen, Manchester Parish | 1 | 18°03.608 N | 77°31.822 W | |
| JP124 | Mountainside, St. Elizabeth Parish | 4 | 17°59.415 N | 77°44.760 W | |
| JP100 | Newton, St. Elizabeth Parish | 1 | 18°07.543 N | 77°44.879 W | |
| JP98 | Scott’s Pass, Clarendon Parish | 2 | 18°00.588 N | 77°23.000 W | |
| JP115 | Slipe, St. Elizabeth Parish | 3 | 18°03.533 N | 77°47.133 W | |
| JP129 | Windsor Estate, Trelawny Parish | 2 | 18°22.125 N | 77°38.786 W | |
| Panama | JP222* | Arraijan-Burunga, Panama | 4 | 08°58.190 N | 79°40.286 W |
| JP152 | Balboa, Panama | 2 | 08°57.272 N | 79°33.344 W | |
| JP178 | Camino de Cruces, Panama | 4 | 09°06.658 N | 79°41.512 W | |
| JP165 | Chilibre, Panama | 4 | 09°11.107 N | 79°36.621 W | |
| JP189 | Clayton, Panama | 2 | 09°00.441 N | 79°34.056 W | |
| JP141 | Ella Purua, Panama | 3 | 09°07.810 N | 79°41.749 W | |
| JP216 | Gamboa, Panama | 1 | 09°07.890 N | 79°42.690 W | |
| JP157 | Madden, Panama | 2 | 09°06.906 N | 79°36.945 W | |
| JP205 | Pipeline Road, Panama | 4 | 09°09.066 N | 79°43.946 W | |
| JP194* | San Antonio, Panama | 2 | 09°07.758 N | 79°41.733 W | |
| JP201 | Venta de Cruces, Panama | 1 | 09°07.707 N | 79°41.081 W |
Note: N = number of individuals sampled in a given locality.
a
First author collection numbers. Individuals that were used in the initial primer screen are indicated with an asterisk.