def sample_taxon_list(genome_table, abund_table):
    """
    Create [sample,taxon] list of lists
    Parameters
    ----------
    genome_table : pd.DataFrame
    abund_table : pd.DataFrame
    """
    # joining tables
    df = abund_table.merge(genome_table, on=['Taxon'])
    # convert to a list of lists
    sample_taxon = []
    cols = ['Community', 'Taxon', 'Genome_size', 'Fasta', 'Perc_rel_abund']
    for i,x in df[cols].iterrows():
        sample_taxon.append(x.tolist())
    return sample_taxon