| Common Name | Scientific Name | Code |
|---|
| n/a | Enhalus acoroides L.C. Rich. ex Steud. | ENAC2 |
| n/a | Enhalus L.C. Rich. | ENHAL |
| American eelgrass | Vallisneria americana Michx. | VAAM3 |
| American spongeplant | Limnobium spongia (Bosc) L.C. Rich. ex Steud. | LISP2 |
| blyxa | Blyxa Noronha ex Thouars | BLYXA |
| blyxa | Blyxa octandra Planch. ex Thw. | BLOC2 |
| Brazilian waterweed | Egeria densa Planch. | EGDE |
| Canadian waterweed | Elodea canadensis Michx. | ELCA7 |
| Caribbean seagrass | Halophila decipiens Ostenf. | HADE5 |
| common frogbit | Hydrocharis morsus-ranae L. | HYMO6 |
| ducklettuce | Ottelia alismoides (L.) Pers. | OTAL |
| eelgrass | Vallisneria gigantea Graebn. | VAGI |
| eelgrass | Vallisneria L. | VALLI |
| egeria | Egeria Planch. | EGERI |
| Egeria densa | Anacharis densa (Planch.) Victorin | ANDE8 |
| Egeria densa | Elodea densa (Planch.) Caspary | ELDE3 |
| Egeria densa | Philotria densa (Planch.) Small & St. John | PHDE5 |
| Elodea bifoliata | Elodea longivaginata St. John | ELLO2 |
| Elodea bifoliata | Elodea nevadensis (Planch.) St. John | ELNE |
| Elodea callitrichoides | Elodea ernstiae St. John | ELER4 |
| Elodea canadensis | Anacharis canadensis (Michx.) Planch. | ANCA22 |
| Elodea canadensis | Anacharis canadensis (Michx.) Planch. var. planchonii (Caspary) Victorin | ANCAP4 |
| Elodea canadensis | Elodea brandegeeae St. John | ELBR3 |
| Elodea canadensis | Elodea ioensis Wylie | ELIO3 |
| Elodea canadensis | Elodea linearis (Rydb.) St. John | ELLI |
| Elodea canadensis | Elodea planchonii Caspary | ELPL |
| Elodea canadensis | Philotria canadensis (Michx.) Britt. | PHCA23 |
| Elodea canadensis | Philotria linearis Rydb. | PHLI10 |
| Elodea nuttallii | Anacharis nuttallii Planch. | ANNU7 |
| Elodea nuttallii | Anacharis occidentalis (Pursh) Victorin | ANOC7 |
| Elodea nuttallii | Elodea columbiana St. John | ELCO5 |
| Elodea nuttallii | Elodea minor (Engelm. ex Caspary) Farw. | ELMI5 |
| Elodea nuttallii | Elodea occidentalis (Pursh) St. John | ELOC |
| Elodea nuttallii | Philotria angustifolia (Muhl.) Britt. ex Rydb. | PHAN14 |
| Elodea nuttallii | Philotria minor (Engelm. ex Caspary) Small | PHMI11 |
| Elodea nuttallii | Philotria nuttallii (Planch.) Rydb. | PHNU |
| Elodea nuttallii | Philotria occidentalis (Pursh) House | PHOC3 |
| Elodea nuttallii | Udora verticillata (L. f.) Spreng. var. minor Engelm. ex Caspary | UDVEM |
| Elodea schweinitzii | Apalanthe schweinitzii Planch. | APSC2 |
| Engelmann's seagrass | Halophila engelmannii Aschers. | HAEN2 |
| Florida Keys seagrass | Halophila baillonis Aschers. ex Dickie | HABA |
| Halophila baillonis | Halophila aschersonii Ostenf. | HAAS |
| Halophila hawaiiana | Halophila ovalis (R. Br.) Hook. f. ssp. hawaiiana (Doty & B.C. Stone) den Hartog | HAOVH |
| Hawai'i seagrass | Halophila hawaiiana Doty & B.C. Stone | HAHA3 |
| hydrilla | Hydrilla L.C. Rich. | HYDRI |
| hydrocharis | Hydrocharis L. | HYDRO8 |
| Johnson's seagrass | Halophila johnsonii Eiseman | HAJO |
| Limnobium laevigatum | Hydromystria laevigata (Humb. & Bonpl. ex Willd.) Hunziker | HYLA11 |
| Limnobium laevigatum | Hydromystria stolonifera G.F.W. Mey. | HYST |
| Limnobium laevigatum | Limnobium spongia (Bosc) L.C. Rich. ex Steud. ssp. laevigatum (Humb. & Bonpl. ex Willd.) Lowden | LISPL |
| Limnobium laevigatum | Limnobium stoloniferum (G.F.W. Mey.) Griseb. | LIST4 |
| Limnobium laevigatum | Salvinia laevigata Humb. & Bonpl. ex Willd. | SALA14 |
| Limnobium spongia | Hydrocharis cordifolia Nutt. | HYCO12 |
| Limnobium spongia | Hydrocharis spongia Bosc | HYSP6 |
| nechamandra | Nechamandra alternifolia (Roxb.) Thw. | NEAL2 |
| nechamandra | Nechamandra Planch. | NECHA |
| ottelia | Ottelia Pers. | OTTEL |
| Ottelia alismoides | Stratiotes alismoides L. | STAL8 |
| oxygen-weed | Lagarosiphon Harvey | LAGAR |
| oxygen-weed | Lagarosiphon major (Ridley) Moss | LAMA15 |
| roundfruit blyxa | Blyxa aubertii L.C. Rich. | BLAU |
| Schweinitz's waterweed | Elodea schweinitzii (Planch.) Caspary | ELSC |
| seagrass | Halophila minor (Zoll.) den Hartog | HAMI5 |
| seagrass | Halophila ovalis (R.Br.) Hook. f. | HAOV |
| seagrass | Halophila ovata Gaudich. | HAOV2 |
| seagrass | Halophila Thouars | HALOP |
| South American waterweed | Elodea callitrichoides (L.C. Rich.) Caspary | ELCA24 |
| spongeplant | Limnobium L.C. Rich. | LIMNO |
| thalassia | Thalassia Banks & Soland. ex Koenig | THALA |
| thalassia | Thalassia hemprichii Aschers. | THHE4 |
| turtlegrass | Thalassia testudinum Banks & Soland. ex Koenig | THTE6 |
| twoleaf waterweed | Elodea bifoliata St. John | ELBI2 |
| Vallisneria americana | Vallisneria asiatica Michx. | VAAS2 |
| Vallisneria americana | Vallisneria neotropicalis Victorin | VANE2 |
| Vallisneria americana | Vallisneria spiralis auct. non L. [misapplied] | VASP |
| Vallisneria americana | Vallisneria spiralis L. var. asiatica (Michx.) Torr. | VASPA |
| water soldiers | Stratiotes aloides L. [excluded] | STAL6 |
| water soldiers | Stratiotes L. | STRAT |
| waterthyme | Hydrilla verticillata (L. f.) Royle | HYVE3 |
| waterweed | Elodea Michx. | ELODE |
| West Indian spongeplant | Limnobium laevigatum (Humb. & Bonpl. ex Willd.) Heine | LILA7 |
| western waterweed | Elodea nuttallii (Planch.) St. John | ELNU2 |
Plant Names