แหล่งที่มา WikiPedia: Placocarpa http://www.ipni.org/ipni/idPlantNameSearch.do?id=3... http://www.plantsoftheworldonline.org/taxon/urn:ls... http://legacy.tropicos.org/Name/40009936 https://npgsweb.ars-grin.gov/gringlobal/taxonomyge... https://eol.org/pages/107965 https://www.gbif.org/species/4937959 https://www.inaturalist.org/taxa/273143 https://www.irmng.org/aphia.php?p=taxdetails&id=13...
