2007-0934 2007-0934 S2007-09342018000701547 10.29312/remexca.v9i7.680 México 00 11 2018 00 11 2018 9 7 1547 1552

2012 9 2 2 103-11 1984 81-6 1990 7 1-41 1990 7 7 41 1998 21 21 9 2012 3 7 7 1453-8 2009 36 36 29 UPOV 2004 40