แหล่งที่มา WikiPedia: Elmera http://data.canadensys.net/vascan/taxon/1131 http://www.efloras.org/florataxon.aspx?flora_id=1&... http://www.efloras.org/florataxon.aspx?flora_id=2&... http://www.ipni.org/ipni/idPlantNameSearch.do?id=3... http://www.irmng.org/aphia.php?p=taxdetails&id=126... http://www.plantsoftheworldonline.org/taxon/urn:ls... http://legacy.tropicos.org/Name/40002326 https://npgsweb.ars-grin.gov/gringlobal/taxonomyge... https://www.itis.gov/servlet/SingleRpt/SingleRpt?s... https://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwt...
