Butterworth, 1961. Trop. Agric. (Trinidad), 38 (3): 189 Document reference Butterworth, M. H., 1961. Studies on Pangola grass at ICTA, Trinidad. II. The digestibility of pangola grass at various stages of growth. Trop. Agric. (Trinidad), 38 (3): 189Citation key Butterworth, 1961Datasheets Pangola grass (Digitaria eriantha)