Ameghinoa is a genus of flowering plants in the family Asteraceae, described in 1897 by Carlo Luigi Spegazzini.Spegazzini, Carlo Luigi. 1897. Revista de la Facultad de Agronomia; Universidad Nacional de La Plata 3(30–31): 539Tropicos, Ameghinoa Speg.
There is only one known species, Ameghinoa patagonica, native to the Chubut and Río Negro Provinces of Argentina.The Plant List, Ameghinoa patagonica Speg.Tropicos, Ameghinoa patagonica Speg. specimen list
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