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Angiosperm Phylogeny Group 2009 161 105-21 1981 1985 2008 453 1915 2012 100 195-257 1993 1993 1994 1995 1996 1997 1997 1998 2000 2004 53 127-30 2011 2004 1994 27 53-73 Inegi (Instituto Nacional de Estadística y Geografía) 2005 2011 1989 253-69 1986 2012 21 85-100 2012 1978 2007 81 101-30 1997 5 37-75 1969 2003 28 160-7 2004 75 105-35 2014 85 134-42