00494nam a22001937a 4500003000500000005001700005008004100022010001000063011001000073035001000083040000900093082001600102100002600118245003800144260005200182300001100234650002600245650002900271CHAP20220329140807.0971013c19571950 r 00010 d a57716 a58688 a62844 cCHAP a581.15bS8400aStebbins, G. Ledyard. aVariation and evolution in plants aNew York :bColumbia University,c1957 (c.1950) a643 p.14aEvolución (Plantas)14aVariación (Botánica)