One-Hundred Years of Change in the Corticolous Macrolichens of Madison, Wisconsin

  title={One-Hundred Years of Change in the Corticolous Macrolichens of Madison, Wisconsin},
  author={Matthew P Nelsen and Susan Will-Wolf and Andrea Gargas},
Abstract. Increased urbanization often leads to an altered and/or reduced lichen flora. Here we characterize the corticolous macrolichen flora of the Madison, Wisconsin area, and compare the present-day flora with historic collections made in the vicinity during the 1890's. The present-day flora consists mostly of small foliose taxa (16), which frequently occur in urban areas, a smaller number of medium-foliose taxa (13) and a very small number of fruticose taxa (3). Forty-four percent of the… Expand
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Recent Literature on Lichens—209
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Two Wisconsin lichen collections over 100 years old
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