Children (9 direct children, 13 direct and indirect children):
Echinargus martha
Echinargus huntingtoni
(tree size 3)
Echinargus isola
(tree size 1)
Reakirt's blue
Echinargus astragala
Echinargus alce
Echinargus continentalis
Echinargus gyas
Echinargus hannoides
Echinargus nyagora