Children (5 direct children, 14 direct and indirect children):
Drymarchon melanurus
(tree size 2)
Western indigo snake
Eastern indigo snake
Drymarchon couperi
Drymarchon corais
(tree size 7)
Indigo snake (species)
Drymarchon margaritae
Margarita indigo snake
Drymarchon caudomaculatus