kingdom: Plantae >
subkingdom: Pteridobiotina Britton & Brown >
phylum: Tracheophyta >
class: Magnoliopsida >
order: Fabales Bromhead >
family: Fabaceae >
genus: Rhynchosia Lour. >
species: Rhynchosia balansae Micheli >
Argentina Northeast , Argentina Northwest , Bolivia , Brazil West-Central , Paraguay , Uruguay