2 literature references for Crotalaria arenaria sensu Zoll. & Moritzi, non Benth.:

Author: de Munk,W.J.
Year: 1962
Title:
Source: Reinwardtia 6(3): 195-223. A preliminary revision of...
Author: Backer,C.A.
Year: 1963
Title:
Source: Flora of Java. Groningen, The Netherlands