2 literature references for Crotalaria herbacea Schrank:

Author: Bernal Malagon,H.Y.
Year: 1986
Title:
Source: Flora de Colombia 4:1-118 Crotalaria
Author: de Munk,W.J.
Year: 1962
Title:
Source: Reinwardtia 6(3): 195-223. A preliminary revision of...