Children (7 direct children, 7 direct and indirect children):
Elymus trachycaulus subsp. trachycaulus
Elymus trachycaulus latiglumis
Elymus trachycaulus subsp. andinus
Elymus trachycaulus subsp. subsecundus
Elymus trachycaulus subsp. virescens
Elymus trachycaulus subsp. violaceus
Elymus trachycaulus var. violaceus