http://www.hcn.org These are the search results for the query, showing results 1 to 1. http://www.hcn.org/issues/262/14363 The state of New Mexico is beginning an aerial herbicide assault on the exotic shrub saltcedar, or tamarisk, but some fear spraying Arsenal along the Rio Grande could harm native cottonwoods No publisher Paul Krza Exotic Saltcedar tamarisk Rio Grande exotic plants weed control herbicides aerial spraying Arsenal herbicide 2010-02-05T09:55:13Z News Article