Taxonomie
Costea, M., Sanders, A. & Waines, G. 2001. Preliminary results toward a revision of the Amaranthus hybridus species complex (Amaranthaceae). SIDA, Contributions to Botany, 19(4) : 931-974 : 960

 

Identification
Tison, J.-M. & de Foucault, B. [coord.] 2014. Flora Gallica. Flore de France. Biotope Éditions, Mèze. xx + 1196 pp. : 310

 

Source additionnelle (de Amaranthus chlorostachys var. powellii (S.Watson) Priszter, 1953)
Costea, M., Sanders, A. & Waines, G. 2001. Preliminary results toward a revision of the Amaranthus hybridus species complex (Amaranthaceae). SIDA, Contributions to Botany, 19(4) : 931-974 : 961

 

Source de la synonymie (de Amaranthus chlorostachys var. powellii (S.Watson) Priszter, 1953)
Costea, M., Sanders, A. & Waines, G. 2001. Preliminary results toward a revision of the Amaranthus hybridus species complex (Amaranthaceae). SIDA, Contributions to Botany, 19(4) : 931-974 : 961 [CD_REF = 82015] Amaranthus powellii S.Watson, 1875

 

Source additionnelle (de Amaranthus chlorostachys auct. non Willd., 1790)
Costea, M., Sanders, A. & Waines, G. 2001. Preliminary results toward a revision of the Amaranthus hybridus species complex (Amaranthaceae). SIDA, Contributions to Botany, 19(4) : 931-974 : 961

 

Source de la synonymie (de Amaranthus chlorostachys auct. non Willd., 1790)
Costea, M., Sanders, A. & Waines, G. 2001. Preliminary results toward a revision of the Amaranthus hybridus species complex (Amaranthaceae). SIDA, Contributions to Botany, 19(4) : 931-974 : 961 [CD_REF = 82015] Amaranthus powellii S.Watson, 1875

 

Source additionnelle (de Amaranthus hybridus auct. non L., 1753)
Costea, M., Sanders, A. & Waines, G. 2001. Preliminary results toward a revision of the Amaranthus hybridus species complex (Amaranthaceae). SIDA, Contributions to Botany, 19(4) : 931-974 : 961

 

Source de la synonymie (de Amaranthus hybridus auct. non L., 1753)
Costea, M., Sanders, A. & Waines, G. 2001. Preliminary results toward a revision of the Amaranthus hybridus species complex (Amaranthaceae). SIDA, Contributions to Botany, 19(4) : 931-974 : 961 [CD_REF = 82015] Amaranthus powellii S.Watson, 1875

 

Type : Described from a plant cultivated at Harvard University "from seeds brought from Arizona by Col Powell", Powell s.n. (Holotype : US 16163, Isotype : MO)
     Références : Costea et al. (2001)

Type : TIPO: Estados Unidos de America. Arizona: cultivada de semillas  traıdas desde Arizona por Powell, 1874, J. W. Powell s.n. (lectotipo, designado por Iamonico [2014b 7], US [codigo de barras] US00106256 no visto,  imagen!; isolectotipos, MO-247671 no visto, imagen!, GH [cb] GH00037008, imagen!, NY [cb] NY01043136 no visto, imagen!, PH  [cb] m ´PH00002348 no visto, imagen!). Figura 12.

     Références : Bayón (2015)