 Moreover, the study also detected an unreported independent introduction from Arizona.After trans-continental railroad building the two founding populations began to intermix at around Texas shifting diversity from centers of introduction.The 1889 book "The Useful Native Plants of Australia'’ records that "Sorghum halepense" is a "strong, erect-growing species, varying from two to ten feet high, succulent when young, a splendid grass for a cattle run, though not much sought after by sheep.