Checklist » Excluded Taxa » Amaranthus tuberculatus
Last updated 10/19/2023 by David Giblin.
Amaranthus tuberculatus (Moq.) J.D. Sauer[FNA4, HC2]
rough-fruited waterhemp, tall waterhemp
[This taxon is excluded from Washington]

Publication: MadroƱo. 13: 18. 1955.

Origin: Introduced from the Great Plains of the central United States

Notes: No specimens from Washington are known. Considered excluded here until evidence suggests otherwise.

References:

» Tutin, T. G., V. H. Heywood, N. A. Burges, D. M. Moore, D. H. Valentine, S. M. Walters and D.A. Webb, eds. 1980. Flora Europaea, Vol. 5, Alismataceae to Orchidaceae (Monocotyledones). Cambridge Univ. Press, Cambridge, UK. 452 p.
Synonyms & Misapplied Names:
Acnida altissima Riddell ex Moq.
Acnida altissima Riddell ex Moq. var. prostrata (Uline & W.L. Bray) Fernald
Acnida altissima Riddell ex Moq. var. subnuda (S. Watson) Fernald
Acnida concatenata (Moq.) Small
Acnida subnuda (S. Watson) Standl.
Acnida tamariscina (Nutt.) Alph. Wood
Acnida tamariscina (Nutt.) Alph. Wood var. concatenata (Moq.) Uline & W.L. Bray
Acnida tamariscina (Nutt.) Alph. Wood var. tuberculata (Moq.) Uline & W.L. Bray
Acnida tuberculata Moq.
Amaranthus ambigens Standl.
Amaranthus rudis J.D. Sauer[KZ99]
Amaranthus tamariscinus Nutt.