World-wide, invasive species are second only to habitat destruction (for development and farming) as the cause of the loss of species. It is estimated that the U.S. spends over 100 billion dollars a year fighting invasive species. The Hill Country has, so far, been spared some of the worst examples of invasives experienced by other parts of the country. We don’t have, in large amounts, the kudzu of the southeast, the Asian carp of the Midwest, the zebra mussels of the Great Lakes, the Buf ...