Vicia ludoviciana var. leavenworthii (Torr. & A.Gray) Broich
kingdom: Plantae >
subkingdom: Pteridobiotina Britton & Brown >
phylum: Tracheophyta >
class: Magnoliopsida >
order: Fabales Bromhead >
family: Fabaceae >
genus: Vicia L. >
species: Vicia ludoviciana Nutt. >
Arkansas , Louisiana , Mississippi , Missouri , Oklahoma , Texas