Freyre et al., 1952. USDA, Report of the Federal Experiment Station in Puerto Rico, December 1952, 21-22 Document reference Freyre, R. H. ; Warmke, H. E., 1952. Legume toxicity. USDA, Report of the Federal Experiment Station in Puerto Rico, December 1952, 21-22Web https://archive.org/details/CAT31294391018Citation key Freyre et al., 1952Datasheets Creeping indigo (Indigofera spicata and Indigofera hendecaphylla)
