| | water-chestnut family - Trapacées |
 | | The family name Hydrocaryaceae (Hydrocaryacées) has long been used for this genus. |
 | | The name Trapaceae is, however, a "conserved" name under the International Code of Botanical Nomenclature. |
 | | The family Trapaceae contains the single genus Trapa, however it is sometimes included in the larger family Lythraceae. |
| res2.agr.ca /ecorc/weeds_herbes/fam68_e.htm (105 words) |