Ammannia koehnei
| Ammannia koehnei Britton, Bull. Torrey Bot. Club 18: 271. 1891. | | TYPE: NEW JERSEY: Bergen Co.: Hackensack Flats, 28 Jul 1898, Leggett s.n. (holotype: NY; isotype: NY). |
Ammannia koehnei var. exauriculata
| Ammannia koehnei Britton, var. exauriculata Fernald, Rhodora 38: 437, t. 449(4-5). 1936. | | TYPE: VIRGINIA: Princess Anne Co.: Swales along North Landing River near Creeds, 9 Sep 1935, Fernald et al. 4954 (holotype: GH; isotypes: MO, NY, PH, US). |
Ammannia lythrifolia
| Ammannia lythrifolia Salisbury, Prodr. Stirp. Chap. Allerton 65. 1796, nom. illegit. | BASIONYM: Ammannia latifolia Linnaeus 1753. | |
Ammannia teres var. exauriculata
| Ammannia teres Rafinesque, var. exauriculata (Fernald) Fernald, Rhodora 46: 50. 1944. | BASIONYM: Ammannia koehnei Britton, var. exauriculata Fernald 1936. | |
Ammannia friesii
| Ammannia friesii Koehne, in Engler, Pflanzenr. 4(Heft 17): 50. 1903. | | TYPE: ARGENTINA: Jujuy: Quinta, near Laguna de la Brea, s.d., Fries 94 (holotype: B(destroyed); isotype: S). |
Ammannia hastata
| Ammannia hastata de Candolle, Prodr. 3: 78. 1828, nom. illegit. | BASIONYM: Ludwigia hastata Sprengel 1825, nom. illegit.; Isnardia subhastata Ruiz López & Pavón 1798. | |
Ammannia lingulata
| Ammannia lingulata Grisebach, Cat. Pl. Cub. 106. 1866. | | TYPE: CUBA: Without data, Wrigth s.n. (holotype: GH). |
Ammannia sagittata
| Ammannia sagittata (Poiret) de Candolle, Prodr. 3: 80. 1828. | BASIONYM: Jussiaea sagittata Poiret 1813. | |
Isnardia subhastata
| Isnardia subhastata Ruiz López & Pavón, Fl. Peruv. 1: 66, t. 86(b). 1798. | | |
Jussiaea sagittata
| Jussiaea sagittata Poiret, in Lamarck, Encycl., Suppl. 3: 198. 1813. | | TYPE: DOMINICAN REPUBLIC: Cult. in Paris, |
Ludwigia hastata
| Ludwigia hastata Sprengel, Syst. Veg. 1: 446. 1825, nom. illegit. | BASIONYM: Isnardia subhastata Ruiz López & Pavón 1798. | |