Fern, 2021. Useful tropical plants database Document reference Fern, K., 2021. Indigofera arrecta (Hochst. ex A.Rich.). Useful tropical plants databaseWeb https://tropical.theferns.info/viewtropical.php?id=Indigofera%20arrectaCitation key Fern, 2021Datasheets Bengal indigo (Indigofera arrecta)
