Table 1. Collection data and haplotype diversity for Callitropsis guadalupensis and C. forbesii.
| Location | Latitude N | Longitude W | Orientation | Altitude (m) | n | h ± SD | |
| Callitropsis guadalupensis | |||||||
| Guadalupe Island | 29°06′13″ | 118°19′40″ | Northwest | 1190 | 54 | 0.698±0.053 | |
| Callitropsis forbesii | |||||||
| Rancho El Escondido | 32°33′24″ | 116°49′03″ | North | 203 | 20 | 0.537±0.104 | |
| El Dieciséis | 32°28′06″ | 116°34′58″ | South | 734 | 20 | 0.189±0.108 | |
| Valle de Guadalupe | 32°04′08″ | 116°40′39″ | North | 558 | 20 | 0.279±0.123 | |
| San Antonio de las Minas | 31°58′13″ | 116°34′43″ | Northeast | 449 | 20 | 0.416±0.116 | |
| San Vicente | 31°14′54″ | 116°17′11″ | North | 242 | 20 | 0.268±0.113 | |