Children (15 direct children, 29 direct and indirect children):
Nerodia clarkii
(tree size 3)
Atlantic saltmarsh snake
Green water snake
Mississippi green water snake
Brown water snake
Nerodia taxispilota
Nerodia fasciata
(tree size 4)
Southern water snake
Northern water snake
(tree size 2)
Lake erie water snake
Brazos water snake
Nerodia harteri
Nerodia floridana
Florida green water snake
Nerodia paucimaculata
Concho water snake
Nerodia erythrogaster
(tree size 4)
Plainbelly water snake
Nerodia rhombifer
(tree size 1)
Diamondback water snake
Nerodia valida
Nerodia couchii
Nerodia compressicauda
Nerodia cyclopion
Nerodia rhombifer