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Phanerozoic Land-Plant Diversity in North America

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Science  21 Dec 1979:
Vol. 206, Issue 4425, pp. 1400-1402
DOI: 10.1126/science.206.4425.1400

Article Information

vol. 206 no. 4425 1400-1402

PubMed: 
Print ISSN: 
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History: 
  • Received for publication June 19, 1979
  • Revision received August 27, 1979
  • .

Author Information

  1. ANDREW H. KNOLL1,
  2. KARL J. NIKLAS2,
  3. BRUCE H. TIFFNEY3
  1. 1Department of Geology, Oberlin College, Oberlin, Ohio 44074
  2. 2Division of Biological Sciences, Cornell University, Ithaca, New York 14853
  3. 3Department of Biology, Yale University, News Haven, Connecticut 06520

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