Plants from the MA herbarium, that were collected by the Scientific Commission to the Pacific expedition, have been studied. In the countries cited, 2899 samples, corresponding to 1070 numbers (602 taxa, 146 families) were collected.Se estudian las plantas recolectadas durante la expedición científica depositadas en el herbario MA. En los países señalados se recogieron 2899 ejemplares correspondientes a 1070 números (602 taxones, 146 familias).Peer reviewed