แหล่งที่มา WikiPedia: Halacsya http://www.plantsoftheworldonline.org/taxon/urn:ls... http://www.plantsoftheworldonline.org/taxon/urn:ls... http://legacy.tropicos.org/Name/40020096 https://npgsweb.ars-grin.gov/gringlobal/taxonomyge... https://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwt... https://gd.eppo.int/taxon/1HCAG https://eol.org/pages/5359926 https://www.gbif.org/species/7294445 https://www.inaturalist.org/taxa/513799 https://www.ipni.org/n/4607-1
