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WikiPedia: Họ Rêu tro http://www.nzor.org.nz/names/f4b32048-6751-45a7-8d... http://www.efloras.org/florataxon.aspx?flora_id=1&... http://www.irmng.org/aphia.php?p=taxdetails&id=112... http://treatment.plazi.org/id/258B6A9A-0D22-9084-1... http://legacy.tropicos.org/Name/35002746 http://www.ubio.org/browser/details.php?namebankID... https://florabase.dpaw.wa.gov.au/browse/profile/23... https://www.itis.gov/servlet/SingleRpt/SingleRpt?s... https://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwt... https://gd.eppo.int/taxon/1HPNF