Children (8 direct children, 8 direct and indirect children):
Vicia ludoviciana subsp. ludoviciana
Leavenworth's vetch
Vicia ludoviciana subs
Vicia ludoviciana var. texana
Vicia ludoviciana var. occidentalis
Vicia ludoviciana var. leavenworthii
Vicia ludoviciana var. laxiflora
Vicia ludoviciana var. typica