3 literature references for Niopa peregrina (L.)Britton & Rose:

Author: Altschul,SirivonReis
Year: 1964
Title:
Source: Contr.Gray Herb.193:3-95 Taxonomic Study of Anadenanthera
Author: Lewis,G.P.
Year: 1987
Title:
Source: Royal Botanic Gardens, Kew 369 pp Legumes of Bahia
Author: Howard,R.A. et al.
Year: 1988
Title:
Source: Dicotyledoneae Part 1.Fl. Lesser Antilles Arnold Arboretum