Amaranthus mantegazzianus Pass. (1865:4)
Taxonomy & Nomenclature
Invalid (synonym of A. caudatus) (POWO, 2018 fide Humphreys et al., 2019; POWO, 2025)
Conservation Status
Invalid (synonym of A. caudatus) (POWO, 2018 fide Humphreys et al., 2019; POWO, 2025)
Was listed as Extinct by (WCMC, 1992:215).
Distribution & Habitat
Argentina
Biology & Ecology
Hypodigm
Media
References
Bayón, N. D. (2015). Revisión taxonómica de las especies monoicas de Amaranthus (Amaranthaceae): Amaranthus subg. Amaranthus y Amaranthus subg. Albersia. Annals from the Missouri Botanical Garden 101: 261-383. MBG press.
Carmona Pinto, W. and Orsini Velásquez, G. (2010). Sinopsis del subgénero Amaranthus (Amaranthus, Amaranthaceae) en Venezuela. Acta botanica Venezuelica 33: 329-356.
Govaerts, R. (1995). World Checklist of Seed Plants 1(1, 2): 1-483, 529. MIM, Deurne.
Humphreys, Aelys M., Govaerts, Rafaël, Ficinski, Sarah Z., Lughadha, Eimear Nic and Vorontsova, Maria S. (2019). Global dataset shows geography and life form predict modern plant extinction and rediscovery. Nature Ecology & Evolution 3: 1043-1047. https://doi.org/10.1038/s41559-019-0906-2 [Supplementary Dataset 1]
Iamonico, Duilio. (2023). Nomenclature Survey of the Genus Amaranthus (Amaranthaceae): 12 Questions about Amaranthus caudatus. Plants 12(7): 1566. https://doi.org/10.3390/plants12071566
POWO. (2018). Plants of the World online. Facilitated by the Royal Botanic Gardens, Kew. http://e-monocot.org/.
POWO. (2025). Plants of the World Online (online resource). Facilitated by the Royal Botanic Gardens, Kew, United Kingdom. Available at: https://powo.science.kew.org/ [Accessed 16 August 2025]
WCMC (World Conservation Monitoring Centre). (1992). Global Biodiversity: Status of the Earth's living resources. London: Chapman & Hall. xx + 594 pp.
WCMC. (1996). Threatened plant database of the World Conservation Monitoring Centre. W.C.M.C., Cambridge, U.K.