@article{359911,
      recid = {359911},
      author = {Williams, Dave and Butler, Brent,},
      title = {The Tallgrass Prairie Center guide to seed and seedling  identification in the Upper Midwest [electronic resource]  /},
      publisher = {Published for the Tallgrass Prairie Center by the  University of Iowa Press,},
      address = {Iowa City :},
      pages = {xi, 118 p. :},
      year = {2010},
      note = {Includes index.},
      url = {http://library.usi.edu/record/359911},
}