00424    a2200133   4500020001500000082001700015100002300032245004000055260005000095300001900145440004300164650005700207650002600264  a0195099753  a575.132bARN  aArnold, Michael L.  aNatural hybridization and evolution  aNew yorkbOxford University Pressc1997g1997  aix,215p.c24cm  aOxford series in ecology and evolution  aSPECIFIC PARTS OF AND PHYSIOLOGICAL SYSTEMS IN PLANT  aLIFE SCIENCES  BILOGY