def genus_PARgenusPAR_subspecies(tokens):
    """
    Input:  Brassica (brassica) oleracea
    Output: <taxon genus="Brassica" species="brassica" subprefix=""
            subspecies="oleracea"><sp>Brassica</sp> <sp>(brassica)</sp>
            <sp>oleracea</sp></taxon>
    """
    genus = tokens[0]
    species = tokens[1][1:len(tokens[1])-1]
    subspecies = tokens[2]
    return f'''<taxon genus="{genus}" species="{species}" sub-prefix="" sub-species="{subspecies}"><sp>{genus}</sp> <sp>{tokens[1]}</sp> <sp>{subspecies}</sp></taxon>'''