Miller, F. and Sierra-Bracero, A. 1972. SORGHUM HALAPENSE AND S. VERTICILLIFLORUM IN SOUTH-WESTERN PUERTO RICO. The Journal of Agriculture of the University of Puerto Rico. 56, 4 (Oct. 1972), 442–444. DOI:https://doi.org/10.46429/jaupr.v56i4.10808.