| Common Name | Scientific Name | Code |
| anchored water hyacinth | Eichhornia azurea (Sw.) Kunth | EIAZ2 |
| arrowleaf falsepickerelweed | Monochoria hastata (L.) Solms [excluded] | MOHA2 |
| blue mudplantain | Heteranthera limosa (Sw.) Willd. | HELI2 |
| bouquet mudplantain | Heteranthera multiflora (Griseb.) Horn | HEMU5 |
| Brazilian water hyacinth | Eichhornia paniculata (Spreng.) Solms | EIPA |
| common water hyacinth | Eichhornia crassipes (Mart.) Solms | EICR |
| egret mudplantain | Heteranthera peduncularis Benth. | HEPE3 |
| Eichhornia crassipes | Eichhornia speciosa Kunth | EISP |
| Eichhornia crassipes | Piaropus crassipes (Mart.) Raf. | PICR2 |
| Eichhornia diversifolia | Piaropus diversifolius (Vahl) P. Wilson | PIDI6 |
| Eichhornia paniculata | Piaropus paniculatus (Spreng.) Small | PIPA6 |
| grassleaf mudplantain | Heteranthera dubia (Jacq.) MacM. | HEDU2 |
| heartshape false pickerelweed | Monochoria vaginalis (Burm. f.) K. Presl ex Kunth | MOVA |
| Heteranthera dubia | Heteranthera graminea (Michx.) Vahl | HEGR13 |
| Heteranthera dubia | Heteranthera liebmannii (Buch. ex Magnus) Shinners | HELI3 |
| Heteranthera dubia | Zosterella dubia (Jacq.) Small | ZODU |
| Heteranthera dubia | Zosterella longituba Alexander | ZOLO |
| Heteranthera limosa | Pontederia limosa Sw. | POLI7 |
| Heteranthera mexicana | Eurystemon mexicanus (S. Wats.) Alexander | EUME5 |
| Heteranthera multiflora | Heteranthera reniformis Ruiz & Pav?n var. multiflora Griseb. | HEREM |
| kidneyleaf mudplantain | Heteranthera reniformis Ruiz & Pav?n | HERE |
| Mexican mudplantain | Heteranthera mexicana S. Wats. | HEME6 |
| monochoria | Monochoria K. Presl | MONOC |
| Monochoria vaginalis | Monochoria vaginalis (Burm. f.) K. Presl ex Kunth var. pauciflora (Blume) Merr. | MOVAP |
| Monochoria vaginalis | Pontederia vaginalis Burm. f. | POVA8 |
| mudplantain | Heteranthera Ruiz & Pav?n | HETER |
| pickerelweed | Pontederia cordata L. | POCO14 |
| pickerelweed | Pontederia L. | PONTE |
| Pontederia cordata | Pontederia cordata L. var. angustifolia (Pursh) Torr. & Ell. | POCOA |
| Pontederia cordata | Pontederia cordata L. var. lanceolata (Nutt.) Griseb. | POCOL |
| Pontederia cordata | Pontederia cordata L. var. lancifolia (Muhl. ex Ell.) Torr. | POCOL2 |
| Pontederia cordata | Pontederia lanceolata Nutt. | POLA17 |
| reussia | Reussia Endl. | REUSS |
| reussia | Reussia rotundifolia (L. f.) Castell. | RERO |
| roundleaf mudplantain | Heteranthera rotundifolia (Kunth) Griseb. | HERO5 |
| tropical pickerelweed | Pontederia rotundifolia L. f. | PORO12 |
| variableleaf water hyacinth | Eichhornia diversifolia (Vahl) Urban | EIDI |
| water hyacinth | Eichhornia Kunth | EICHH |