@article{55185,
      note = {Reprint of the 1913 ed. which has title: An illustrated  flora of the northern United States, Canada and the British  possessions.},
      author = {Britton, Nathaniel Lord, and Brown, Addison,},
      url = {http://library.usi.edu/record/55185},
      title = {An illustrated flora of the northern United States and  Canada; from Newfoundland to the parallel of the southern  boundary of Virginia, and from the Atlantic Ocean westward  to the 102d meridian,},
      publisher = {Dover Publications},
      recid = {55185},
      pages = {3 v.},
      address = {New York,},
      year = {1970},
}