Achyranthes chacoensis
| J. Wash. Acad. Sci. 5: 74. 1915. | Alternanthera chacoensis Morong 1893. | |
Achyranthes pilosa
| J. Wash. Acad. Sci. 5: 74. 1915. | Alternanthera pilosa Moquin-Tandon 1849. | |
Alternanthera paronichyoides var. chacoensis
| Darwiniana 14: 440. 1967. | Alternanthera chacoensis Morong 1893. | |
Alternanthera paronichyoides var. pilosa
| Repert. Spec. Nov. Regni Veg. 39: 4. 1935. | Alternanthera pilosa Moquin-Tanson 1849. | |
Alternanthera boliviana var. amentacea
| Repert. Spec. Nov. Regni Veg. 42: 51. 1937. | | ARGENTINA: Buenos Aires: s.d., Parodi 7219 (holotype: M). |
Alternanthera chacoensis
| Morong & Britton, Ann. New York Acad. Sci. 7: 208. 1893. | | PARAGUAY: Pilcomayo River, s.d., Morong 1587 (holotype: NY). |
Alternanthera felipponei
| Bull. Soc. Bot. Gèneve, ser. 2. 1921: 268. 1922. | | URUGUAY: Montevideo, s.d., Felippone s.n. (holotype: G). |
Alternanthera leucantha
| de Candolle, Prodr. 13(2): 357. 1849. | | JAMAICA: Without locality, s.d., MacFadyen s.n. (holotype: P). |
Alternanthera paronichyoides forma aberrans
| Darwiniana 14: 443. 1967. | | ARGENTINA: Buenos Aires, s.d., Delia Abbiatti 4287 (holotype: LP). |
Alternanthera paronichyoides var. amentacea
| Mitt. Bot. Staatssamml. München 2: 78. 1950. | Alternanthera boliviana Rusby, var. amentacea Suessenguth 1937. | |
Alternanthera paronichyoides var. ovata
| Bull. Herb. Boiss., ser. 2. 3: 354. 1903. | | PARAGUAY: Without locality, s.d., Hassler 7776 (holotype: G). |
Alternanthera pilosa
| de Candolle, Prodr. 13(2): 357. 1849. | | BRAZIL: Without locality, s.d., Sellow s.n. (holotype: P; isotype: G-DC). |
Alternanthera polygonoides
| | | |
Telanthera polygonoides var. compacta
| de Candolle, Prodr. 13(2): 364. 1849. | | MEXICO: Tamaulipas: Tampico, s.d., Berlandier 32 (lectotype: P; isotype: G-DC). Lectotypified by ? |