Ambrosia psilostachya

Ambrosia psilostachya DC. Engl.: cuman ragweed, perennial ragweed, western ragweed. Deu.: Ausdauerndes Traubenkraut. Sven.: sträv ambrosia. Bot. syn.: Ambrosia californica Rydb., Ambrosia coronopifolia Torr. & A. Gray, Ambrosia cumanensis auct. non Kunth, Ambrosia lindheimeriana Scheele, Ambrosia rugelii Rydb.

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