Now showing items 1-1 of 1

    • Invasion of Centaurea nigrescens, Tyrol knapweed, in North America 

      Grella, Rebecca Ann (The Graduate School, Stony Brook University: Stony Brook, NY., 1-Aug-12)
      Centaurea nigrescens is a native plant in Europe that was introduced to North America in the 1800s. This dissertation focuses on the introduction and spread of C. nigrescens across North America using herbaria records and ...