| Amaranthaceae | |
Acnida alabamensis
| Standl. | N. Amer. Fl. 21(2): 121–122 | 1917 |
| Amaranthaceae | ** |
Acnida altissima
| Riddell ex Moq. | Prodr. 13(2): 278 | |
| Amaranthaceae | |
Acnida australis
| A. Gray | Amer. Naturalist 10(8): 489 | 1876 |
| Amaranthaceae | |
Acnida cannabina
| L. | Sp. Pl. 2: 1027 | 1753 |
| Amaranthaceae | |
Acnida concatenata
| (Moq.) Small | Fl. S.E. U.S. 393 | 1903 |
| Amaranthaceae | |
Acnida cuspidata
| Bertero ex Spreng. | Syst. Veg. [Sprengel] 3: 903 | 1826 |
| Amaranthaceae | |
Acnida elliotii
| Raf. | New Fl. 1: 54 | 1836 |
| Amaranthaceae | |
Acnida floridana
| S. Watson | Proc. Amer. Acad. Arts 17: 376 | 1882 |
| Amaranthaceae | |
Acnida obtusifolia
| Raf. | New Fl. 1: 54 | 1836 |
| Amaranthaceae | |
Acnida rhyssocarpa
| Spreng. | Syst. Veg. [Sprengel] 3: 903 | 1826 |
| Amaranthaceae | |
Acnida ruscocarpa
| Willd. | Sp. Pl. 4: 768 | 1806 |
| Amaranthaceae | |
Acnida rusocarpa
| Michx. | Fl. Bor.-Amer. 2: 234, pl. 50 | 1803 |
| Amaranthaceae | |
Acnida salicifolia
| Raf. | Amer. Monthly Mag. & Crit. Rev. 2: 43 | 1817 |
| Amaranthaceae | |
Acnida subnuda
| (S. Watson) Standl. | N. Amer. Fl. 21(2): 122 | 1917 |
| Amaranthaceae | |
Acnida tamariscina
| (Nutt.) Alph. Wood | Class-book Bot. (ed. 1874) 289 | 1874 |
| Amaranthaceae | |
Acnida tuberculata
| Moq. | Prodr. 13(2): 277 | 1849 |