Amaranthus patulus Bertol. [family AMARANTHACEAE], Comment. It. Neap. 19, t. 2 (1837).—Aellen in Hegi Illustr. Fl. Mitteleurop. ed. 2, 3, 2: 483 (1959). Type from Italy.
Amaranthus hybridus subsp. hybridus [family AMARANTHACEAE], TAB. 10 fig. F.
Amaranthus hypochondriacus L. [family AMARANTHACEAE], Sp. Pl. 2: 991 (1753). Type, Linnean specimen 1117/24 {LINN, lectotype).
Amaranthus chlorostachys Willd. [family AMARANTHACEAE], Hist. Amaranth.: 34, t. x f. 19 (1790).–Aellen in Hegi Illustr. Fl. Mitteleurop. ed. 2, 3, 2: 480 (1959). Type, Willdenow 17521 (B, holotype; IDC. microfiche neg. 1265 No. 10!).
Amaranthus incurvatus Tim. ex Gren. & Godr. [family AMARANTHACEAE], Fl. France Prosp.: 8 (1846) Type from France.
Amaranthus powellii S. Wats. [family AMARANTHACEAE], in Proc. Am. Acad. 10: 347 (1875). Type a cultivated specimen grown from Arizona, seed leg. Col. Powell s.n. (US, holotype).
Amaranthus hybridus subsp. hypochondriacus L. Thell. [family AMARANTHACEAE], Fl. Adv. Montpellier: 204 (1912).—Hauman in F.C.B. 2: 29 (1951). Type as for A. hypochondriacus.
Amaranthus hybridus var. chlorostachys Willd. & Thell. [family AMARANTHACEAE], ibid.: 205 (1912). Type as for A. chlorostachys.
Amaranthus hypochondriacus var. verticillatus Suesseng. [family AMARANTHACEAE], in Mitt. Bot. Staats. München 1: 104 (1952). Type from S. Africa (Natal).